• search
  • shopping cart
  • main navigation
  • main content
  • footer
Let's Personalize Your Experience!
Where would you like to shop? Please click the logo below.
The Vitamin Shoppe®
Super Supplements®
Free shipping on $35+, or pick up in-store
  • You're Shopping: Sterling, VA
  • You're Shopping: Sterling, VA
    Sterling, VA
    45450 Dulles Crossing Plaza
    Sterling, VA 20166
    (571) 434-0624 Closed now. Opens 10:00 AM tomorrow
    3.44 mi
  • Auto Delivery
  • Healthy Awards
    • Explore The Perks
    • Nutrition Coaching
    • Rewards Center
  • What's Good
    • What's Good Blog
    • Wellness Council
    • Videos
    • Glossary
® ® b y
Icon to launch live chat Live Chat
Icon to launch live chat Live Chat
Store Locator
Account IconSign In/Register
Icon for view order history to reorder productsReorder
qty
  • Vitamins & Supplements
  • Protein & Fitness
  • Digestion & Gut Health
  • Healthy Weight
  • Food & Drinks
  • Herbs & Natural Remedies
  • Natural Beauty & Skin
  • Best Sellers
  • Deals
  • Health Concerns
  • Brands
  • New & Trending
Now Available! Same-Day Delivery | Get in the fast lane to feeling great. Learn More.
$10 Off $75 off Plus Free Shipping. Online Only. Ends: 04/20 | Code: PUMPEDUP
Buy One, Get One 50% Off our best-selling brands - Mix and Match - Shop Now
Limited Time Only! New Ghost Energy 7Up Lemon Lime Flavor is Here - Shop Now!
Now Available! Same-Day Delivery | Get in the fast lane to feeling great. Learn More.
$10 Off $75 off Plus Free Shipping. Online Only. Ends: 04/20 | Code: PUMPEDUP
Buy One, Get One 50% Off our best-selling brands - Mix and Match - Shop Now
Limited Time Only! New Ghost Energy 7Up Lemon Lime Flavor is Here - Shop Now!
Now Available! Same-Day Delivery | Get in the fast lane to feeling great. Learn More.
Play promo animation Pause promo animation
×
FREE STANDARD SHIPPING on orders of $35 or more
How to get FREE Standard Shipping:
  1. Ship to an address within the United States (including U.S. territories, excluding Puerto Rico)
  2. Place your online order of $35 or more* - after promotions and before tax are applied
  3. Use "Standard" shipping option at checkout

Orders will be shipped within 24 hours of placement*, pending verification of billing information and shipping method selected. International orders and orders containing gift cards or out-of-stock items will be processed as quickly as possible.

 

*Excludes all orders placed on major US holidays (Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day and New Year's Day).

 

We're sorry for the inconvenience, but International Shipping and shipping to Puerto Rico is not available at this time.

 

Why Pick Up In-Store?

Skip the shipping—and the line. Buy online and we’ll have your order ready for you. Easy. Learn more here.

 

Shop with confidence with our Easy Returns Policy

Customers may return any opened or unopened merchandise purchased from any The Vitamin Shoppe or Super Supplements store or at www.vitaminshoppe.com, our mobile site or any mobile apps to any store or Distribution Center within 30 days. Click here to see our return policy for more information.


Change Store
Or
Updating results..updating results

Action Recommended: Change Password

To protect the wellness and security of your account, we request that you change your password every 90 days. We’ll remind you again in 30 days unless you’ve reset your password by then. Thanks!

I don't want to change my password
1 item added to cart
1 item added to cart
*Tax, Shipping and discounts will be applied during checkout.
External Site Overlay

Welcome to The Vitamin Shoppe U.S.!

Please note: we do not currently ship to your country from this website. Choose “Shop Locally” to switch to your local site for easy ordering.

Shop LocallyStay Here
Syntol AMD Advanced Microflora Delivery - 500 MG (180 Capsules)

Syntol AMD Advanced Microflora Delivery - 500 MG (180 Capsules)

$70.07
($0.38/serving)

SALE

25% OFF - SEE SALE PRICE IN CART

Shop All Arthur Andrew Medical

Syntol AMD Advanced Microflora Delivery - 500 MG (180 Capsules)

Rated 4.8 out of 5
9 Reviews|2 Questions | 75 Answers|
  • Arthur Andrew Medical Syntol AMD capsules 500 MG front
  • Zoom Icon
    Main Product
      Gluten FreeLactose FreeKosherSugar FreeVegetarianVegan
      GET ADVICE FROM A HEALTH ENTHUSIAST
      $70.07
      ($0.38/serving)

      SALE

      25% OFF - SEE SALE PRICE IN CART

      EXCLUDED FROM COUPONS
      Delivery Options
      Shipping
      Product unavailable for delivery
      Free Shipping on orders $35+
      Pick-Up
      Out of Stock
      Available in nearby stores
      Same-Day Delivery
      Temporarily Out of Stockin Zip Code 20147

      Order by 2PM, get it today

      Same-Day Delivery +$8.99 / delivery to 20147 Update Zip Code
      This item is not currently available in your area.
      We’re sorry, this item is currently unavailable for 2-Hour Pickup. Please choose “Ship to Me” or check back later.
      We’re sorry, this item is currently unavailable for 2-Hour Pickup. Please choose “Ship to Me” or check back later.
      Subscribe for AUTO DELIVERY
      Pick this order up in-store and future orders will be delivered—on your chosen schedule— to your preferred address.Orders of $25 or more will ship for FREE!
      Subscribe for AUTO DELIVERY
      Pick this order up in-store and future orders will be delivered—on your chosen schedule— to your preferred address.Orders of $25 or more will ship for FREE!

      Earn Points on This!
      Sign into or join Healthy Awards® to earn points on every purchase towards Cash Back Awards.

      Earn Points on This!
      Sign into or join Healthy Awards® to earn points on every purchase towards Cash Back Awards.

      Healthy Awards® gives you soooo much MORE!
      Did you know there are 3 levels of Healthy Awards®? As a Bronze member, you earn a point for every $1 you spend. 125 points = $5 Award.

      But go Silver and you'll earn points 25% faster, plus tons of exclusive perks! * Learn how you can level up

      here.

      There are 3 levels of Healthy Awards®. Go Gold and you'll earn points 50% faster, plus tons of exclusive perks! * Learn how you can level up

      here.

      There are 3 levels of Healthy Awards®, and as a Gold member, you've unlocked ALL of our top-level perks|including earning points 50% faster.* Nice! Learn more about your rewards

      here.
      *When compared to Bronze level members


      ×

       

      FREE STANDARD SHIPPING on orders of $35 or more

      How to get FREE Standard Shipping:

      1. Ship to an address within the United States (including U.S. territories)
      2. Place your online order of $35 or more* - after promotions and before tax are applied
      3. Use "Standard" shipping option at checkout

      Orders will be shipped within 24 hours of order placement*, pending verification of billing information and shipping method selected. International orders and orders containing gift cards or items that are not currently in stock will be processed as quickly as possible.

       

      *Excludes all orders placed on major US holidays (Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day and New Year's Day).

       

      Orders for states outside of the continental U.S. (including those of $35 or more) may be subject to a delivery surcharge. This will be noted in the order summary based on your shipping address at checkout.

      ×
      ×
      These products are dietary supplements and are not intended to diagnose, treat cure or prevent any disease. Reviews are not intended as a substitute for appropriate medical care or the advice of a physician or another medical professional. Actual results may vary among users. Vitaminshoppe.com makes no warranty or representation, expressed or implied, as to the accuracy or validity of the information contributed by outside product review submissions, and assumes no responsibility or liability regarding the use of such information. The information and statements regarding the dietary supplements have not been evaluated by the Food and Drug Administration. If you have a medical condition or disease, please talk to your health care provider. If you are currently taking a prescription medication, you should work with your health care provider before discontinuing any drug or altering any drug regimen, including augmenting your regimen with dietary supplements. Do not attempt to self-diagnose any disease or ailment based on the reviews and do not use the information contained herein for diagnosing or treating a health problem or disease. Proper medical care is critical to good health. If you have a health concern or suspect you have an undiagnosed sign or symptom, please consult a physician or health care practitioner. Online product reviews are a useful resource for, but The Vitamin Shoppe believes that customers who rely on those reviews should get a true and accurate picture of what other customers think. For that reason, we put procedures in place to ensure the reviews you see are real and honest. Additionally, we won't edit reviews to alter the message and we will always treat positive and negative reviews equally.
      ×
      These products are dietary supplements and are not intended to diagnose, treat cure or prevent any disease. Reviews are not intended as a substitute for appropriate medical care or the advice of a physician or another medical professional. Actual results may vary among users. Vitaminshoppe.com makes no warranty or representation, expressed or implied, as to the accuracy or validity of the information contributed by outside product review submissions, and assumes no responsibility or liability regarding the use of such information. The information and statements regarding the dietary supplements have not been evaluated by the Food and Drug Administration. If you have a medical condition or disease, please talk to your health care provider. If you are currently taking a prescription medication, you should work with your health care provider before discontinuing any drug or altering any drug regimen, including augmenting your regimen with dietary supplements. Do not attempt to self-diagnose any disease or ailment based on the reviews and do not use the information contained herein for diagnosing or treating a health problem or disease. Proper medical care is critical to good health. If you have a health concern or suspect you have an undiagnosed sign or symptom, please consult a physician or health care practitioner. Online product reviews are a useful resource for, but The Vitamin Shoppe believes that customers who rely on those reviews should get a true and accurate picture of what other customers think. For that reason, we put procedures in place to ensure the reviews you see are real and honest. Additionally, we won't edit reviews to alter the message and we will always treat positive and negative reviews equally.
      Change Store
      Syntol AMD Advanced Microflora Delivery - 500 MG (180 Capsules)
      Arthur Andrew Medical
      Syntol AMD Advanced Microflora Delivery - 500 MG (180 Capsules)
      Or
      Updating results..updating results

      empty link...
      ×

      AUTO DELIVERY
      Auto Delivery is the best way to put your wellness goals first—and enjoy huge savings every time! We’ll send your essentials at a pace you choose (switch it up any time).
      • Forever Savings: You’ll get 20% off The Vitamin Shoppe® and Vthrive The Vitamin Shoppe® brands, 15% off everything else. Every subscription order. Every time.
      • Never Run Out: Stay effortlessly stocked up with your essentials.
      • Easily Manage: Use our app to easily manage subscriptions.
      • Free Shipping on Refills: Zero cost to replenish products of $25 or more.
      • View Auto Delivery FAQs for additional information
      Rely on the
      Vitamin Shoppe® 100% Satisfaction Guarantee
      Free shipping applies to Auto Delivery replenishment orders when the total value of all subscribed items exceeds $25 after discount is applied. Shipping surcharge may apply if delivered to Alaska or Hawaii.
      One-time coupon discounts don’t carry over to recurring orders.If a coupon offer is applied to purchase of multiple items (i.e. “Buy One, Get One 50% Off, Buy 2, Get 1 Free, etc...) and you select Auto Delivery, all items will be added as recurring orders.
      You may return any item purchased from the Vitamin Shoppe for any reason within thirty (30) days of purchase. For online and catalog orders, the product ship date is the date of purchase. Refunds for unopened items will be issued via your original form of payment with one exception. Online orders paid for with PayPal and returned to a Vitamin Shoppe retail store will be refunded via merchandise credit.

      Recommended For You

      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        Niacinamide - Energy Production - 500 MG (300 Capsules)
        the Vitamin Shoppe
        Niacinamide - Energy Production - 500 MG (300 Capsules)
        (8)
        $31.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        Niacinamide - Energy Production - 500 MG (100 Capsules)
        the Vitamin Shoppe
        Niacinamide - Energy Production - 500 MG (100 Capsules)
        (1)
        $12.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        Inositol - Nervous System Support - 650 MG (300 Capsules)
        the Vitamin Shoppe
        Inositol - Nervous System Support - 650 MG (300 Capsules)
        (7)
        $34.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        Inositol - Nervous System Support - 650 MG (100 Capsules)
        the Vitamin Shoppe
        Inositol - Nervous System Support - 650 MG (100 Capsules)
        (10)
        $16.99
      • Sale

        Clearance!
        Sale prices exclude the cost of shipping and tax. Cannot be combined with any other offers, coupons, discounts, or promotions. Not valid on prior purchases. While supplies last.
        Feverfew - 380 MG (100 Capsules)
        the Vitamin Shoppe
        Feverfew - 380 MG (100 Capsules)
        (4)
        $3.49$13.97
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        BioCell Collagen II with Hyaluronic Acid - Skin & Joint Health - 1,000 MG (180 Vegetable Capsules)
        the Vitamin Shoppe
        BioCell Collagen II with Hyaluronic Acid - Skin & Joint Health - 1,000 MG (180 Vegetable Capsules)
        (31)
        $49.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        Glycine - Nervous System Support & Restful Sleep - 3,000 MG (100 Capsules)
        the Vitamin Shoppe
        Glycine - Nervous System Support & Restful Sleep - 3,000 MG (100 Capsules)
        (1)
        $17.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        MSM - Joint Support & Healthy Cartilage - 1,000 MG (240 Capsules)
        the Vitamin Shoppe
        MSM - Joint Support & Healthy Cartilage - 1,000 MG (240 Capsules)
        (5)
        $24.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        5-HTP with Vitamin B6 for Mood Support - 100 MG (120 Capsules)
        the Vitamin Shoppe
        5-HTP with Vitamin B6 for Mood Support - 100 MG (120 Capsules)
        (6)
        $34.99
      • Sale

        Auto Delivery Save 15%
        Magnesium Breakthrough - 500mg of Essential Magnesium (50 Capsules)
        BIOptimizers
        Magnesium Breakthrough - 500mg of Essential Magnesium (50 Capsules)
        $27.99$34.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        Niacin - Cholesterol Support - 500 MG (100 Vegetable Capsules)
        the Vitamin Shoppe
        Niacin - Cholesterol Support - 500 MG (100 Vegetable Capsules)
        (6)
        $14.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        5-HTP with Vitamin B6 for Mood Support - 100 MG (60 Capsules)
        the Vitamin Shoppe
        5-HTP with Vitamin B6 for Mood Support - 100 MG (60 Capsules)
        (10)
        $19.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        BioCell Collagen II with Hyaluronic Acid - Skin & Joint Health - 1,000 MG (60 Vegetable Capsules)
        the Vitamin Shoppe
        BioCell Collagen II with Hyaluronic Acid - Skin & Joint Health - 1,000 MG (60 Vegetable Capsules)
        (21)
        $27.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        Choline & Inositol - Brain & Liver Health - 500 MG (100 Capsules)
        the Vitamin Shoppe
        Choline & Inositol - Brain & Liver Health - 500 MG (100 Capsules)
        (6)
        $21.99
      • Sale

        5-HTP Time Release for Mood Support - 100 MG (45 Tablets)
        Natrol
        5-HTP Time Release for Mood Support - 100 MG (45 Tablets)
        (14)
        $17.22$22.97
      Slide NaN of 3

      Product Info

      About This Product

      • Advanced Microflora Delivery
      • Beneficial Microflora Colonization
      • Healthy Fungal Levels
      • Normal Digestive Permeability
      • Intestinal/Digestive Cleansing
      • Optimal Nutrient Absorption
      • Healthy Immune Function
      • Stabilized Bowel Function

      Syntol is a combination of probiotics and prebiotics more commonly referred to and classified as Synbiotics. Prebiotics stimulate the growth and activity of probiotics. Syntol uses spore germination technology, a revolutionary new process that delivers probiotic spores rather than living bacteria. Probiotic spores are dormant life forms that protect the bacteria from acidic conditions as well as extreme heat and cold. Spore germination technology is an extremely dependable means for delivering probiotics in less than ideal conditions.

      Read More

      Directions

      Take 1 to 4 capsules with 8 oz. of water between meals or as directed by your health care practitioner.

      Warning

      If you are pregnant, nursing or under medical supervision please contact your health care provider before using this product. Keep out of reach of children. Store in a cool dry place.

      Updated Jan 15, 2026
      Read More

      Supplement Facts

      Serving Size: 1 Capsule
      Number of Servings: 180 Servings
      Amount Per Serving
      % Daily Value
      VITAMIN C  - (AS ASCORBYL PALMITATE)
      20 MG
      32%
      PREBIOTIC  - ISOMALTO-OLIGOSACCARIDE
      600 MG
      **%
      PROPRIETARY BLEND SYNTOL AMD   
      0.0 
      N/A*
      SPORE GERMINATING PROBIOTIC BLEND:  - (B.SUBTILIS, L.HELVECTICUS, S.BOULARDI, L.ACIDOPHILUS, L.RHAMNOSUS, L.PLANTARUM, L.LACTIS, B.BIFIDUM)
      13.6 BILL
      N/A*
      SYNTOL DIGESTIVE YEAST CLEANSE  - (CELLULASE, GLUCOAMYLASE, HEMICELLULASE, AMYLASE, PROTEASE, SERRAPEPTASE)
      1240 MG
      N/A*

      Other Ingredients:

      Cellulose (capsule).

      Does Not Contain:

      Free of Animal Derivatives, Free of Artificial Colors, Free of Artificial Flavors, Free of Artificial Sweeteners, Preservative Free

      How Do You Read A Supplement Facts Label?

      Specifications

      Brand:
      Arthur Andrew Medical
      Form:
      Capsules
      Strength:
      13.6 BILLION
      Serving Size:
      1 Capsule
      Number of Servings:
      180 Servings
      Price per Serving:
      ($0.39 / serving)
      Product Weight:
      5  OZ
      Allergens:
      Milk Free, Egg Free, Peanut Free, Tree Nut Free, Fish Free, Shellfish Free, Soy Free, Wheat Free
      Specialty Diets:
      Gluten Free ,  Lactose Free ,  Kosher ,  Kosher Pareve ,  Sugar Free ,  Unsweetened ,  Vegetarian ,  Vegan ,  Low Carb ,  Paleo Friendly ,  Corn Free ,  Dairy Free ,  Salt Free ,  Starch Free ,  Yeast Free
      Item # :
      A7-7003 / 1680636

      Product Reviews
         (9)

      Disclaimer:

      Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews.Please read the full product reviews disclaimer.

      9 Ratings
      4.8out of 5 stars
      9 Ratings

      Rated 5 stars by 89% of reviewers

      589%

      Rated 4 stars by 0% of reviewers

      40%

      Rated 3 stars by 11% of reviewers

      311%

      Rated 2 stars by 0% of reviewers

      20%

      Rated 1 star by 0% of reviewers

      10%
      Would you recommend?
      9 Reviews
      Rated 5 out of 5
      Jun 13, 2024
      OUTSTANDING
      TOP OF THE LINE PRE AND PRO BIOTICS, BUT EXPENSIVE
      Carol V
      Rated 5 out of 5
      Mar 23, 2022
      Syntol AMD is the best I have found!
      After many years of suffering with digestive issues from candida and trying a multitude of probiotics a doctor recommended I try Syntol AMD.
      I have had better results with this product then any of the others I have tried and recommend anyone with these problems to give it a try.
      Patricia
      Rated 5 out of 5
      Sep 10, 2021
      Excellent probiotic
      I recommend Syntol AMD because it is an excellent probiotic.
      Susan
      Rated 5 out of 5
      Jun 17, 2021
      For some reason this pre/probiotic has a noticeable effect. Really happy with it. Have gone through two bottles
      Really helps my digestion.
      B B
      Rated 3 out of 5
      May 7, 2016
      Started out great but didn't end well
      I finished the first bottle with the high dosage to get rid of candida that came back after 2 years. I was starting to feel great and was even losing a few pounds, as I get very bloated and look like I've blown up from steroids, so I bought another bottle. I started the 2nd bottle with a lower dosage and not even halfway through that bottle I started getting very nauseous and my stomach hurt and burned like crazy for hours after taking it. I even tried taking only 2 or 3 capsules and I still felt that bad. Very disappointed because I thought I had found my cure finally.
      Jen
      Rated 5 out of 5
      Jun 3, 2015
      AMAZING Results
      Syntol AMD is an awesome digestive health product! Syntol AMD worked quickly and effectively in settling very long standing, chronic digestive issues. I was hesitant to buy Syntol at first because of the cost, but since using this amazing product, the price is actually low compared to the money spent on the many other products needed to do the job of this one wonderful blend of digestive health ingredients.
      Bythebeach
      Rated 5 out of 5
      Mar 16, 2012
      Great product! Really works!
      This is a great product that really works. I have been taking this for two weeks now and it has really helped get rid of the candida yeast problem and my digestive issues. No more acid reflux, gas, bloating, stomach cramping, and diarrhea. Yeah!
      Teresa L
      Rated 5 out of 5
      Jun 18, 2010
      Best Probiotic Available!
      I've taken probiotics for about 15 years, and this product is BY FAR the best on the market. You may pay a bit more, but it's well worth it because IT WORKS. I ran out last week and had to take my old product (which is also a "multi-strain" probiotic)--and after 5 days I could tell a difference. BIG difference. I also like that this one doesn't need refrigerated!
      Heather L
      Rated 5 out of 5
      May 24, 2010
      Finally a product that Works!!
      I have been suffering with bad digestion, Arthritis and overall body pain for the past 4 years. My doctor prescribed the SSRI Paxil, as well as Celebrex for pain. These medications helped me manage my symptoms and I did feel better than I had previously, but I never felt healthy.

      >> A Vitamin Shoppe Customer commented on this review on 2011-08-22
      Do you have to take this product indefinately or how do you know when you can stop taking it?
      A Vitamin Shoppe Customer
      Disclaimer:

      Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews.Please read the full product reviews disclaimer.

      Q&A

      Ask Customers Who Bought This

      We'll email them your question, then email you their replies.

      Have a question? Ask owners.Have a question about this? Ask people who own it.
      Start typing and see existing answers.
      Instant Answers
      1. Start typing and we'll see if it was already asked and answered.
      2. If there aren't already some matches, submit a new question.
      3. You'll get fast answers from customers who really own the item(s) and from our product experts. (About half the time you'll get an answer in under 2 hours!)
      Good Topics To Ask About
      • Which items will best meet your needs
      • What customers who own an item think of it
      • How to use, fix, or take care of an item
      • Product information
      • General advice related to the types of products we sell
      • Our store policies
      Customer Support

      For questions about an order you have placed, please contact customer support directly.

      2 Questions
      Why did you choose this?
      The Vitamin ShoppeStore

      Works well

      Patricia CDec 8, 2025

      The efficiency and quality of this product are excellent.

      Lucretia SSep 27, 2025

      It has helped me balance my intestinal flora, keep my immune system strong, and helps me keep regular.

      Claudia DAug 22, 2025

      I have used it for many years because I have.Candidais, and it works excellently for me

      Patricia CJun 24, 2025
      Does this product help improve colitis/diarrhea symptoms? Is it gluten free and non gmo?
      Valorie MJan 7, 2014

      Best Answer:  I have been taking it for over 1-year and started when I was having a colitis flare up as a part of a combination of treatment. I have been flare up free during this time. But again, I am also taking several other holistic and traditional medications as well.

      Tyler BJan 7, 2014
      Reply
      Inaccurate
      Answer by Tyler B has been flagged
      Disclaimer:

      Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews.Please read the full product reviews disclaimer.

      Shipping Info

       

      FREE STANDARD SHIPPING on orders of $35 or more

      How to get FREE Standard Shipping:

      1. Ship to an address within the United States (including U.S. territories)
      2. Place your online order of $35 or more* - after promotions and before tax are applied
      3. Use "Standard" shipping option at checkout

      Orders will be shipped within 24 hours of order placement*, pending verification of billing information and shipping method selected. International orders and orders containing gift cards or items that are not currently in stock will be processed as quickly as possible.

       

      *Excludes all orders placed on major US holidays (Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day and New Year's Day).

       

      Orders for states outside of the continental U.S. (including those of $35 or more) may be subject to a delivery surcharge. This will be noted in the order summary based on your shipping address at checkout.

      back to top

      Experts Break it Down


      The Ultimate Guide To Taking Probiotics

      The Ultimate Guide To Taking Probiotics

      Probiotics have long been considered foundational to a healthy routine, but despite their lengthy history as a mainstream supplement, there’s still plenty of confusion. f you could use some clarification on the puzzle of probiotics, read on. This expert-approved guide has the a’s to your microbiota q’s.

      How To Pair Your Probiotics With Herbs For Ultimate Gut Support

      How To Pair Your Probiotics With Herbs For Ultimate Gut Support

      In terms of gut support, herbal solutions tend not to get as much attention as probiotics, but emerging research suggests they’re unsung supporting actors.

      Can Probiotics Really Boost Your Mood?

      Can Probiotics Really Boost Your Mood?

      Probiotics have earned a reputation as all-stars for foundational health. Found in capsules, gummies, teas, and, of course, fermented foods like yogurt and sauerkraut, these beneficial bacteria have been linked with all sorts of wellness perks, from reducing constipation to supporting healthy blood sugar.

      br_related_rid : Rdcmr58nzuvssqmuotjtw-r0,m0,uf
      br_iuid : aHR0cHM6Ly93d3cudml0YW1pbnNob3BwZS5jb20vcC9hcnRodXItYW5kcmV3LW1lZGljYWwtc3ludG9sLTE4MC1jYXBzdWxlcy9hNy03MDAz

      More Products For Your Wellness Journey

      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off Ryse brand cases. Offer valid 04/13/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items.
        Clear Whey Protein Drink - 22g Whey Isolate - Kool-Aid Tropical Punch (16.9 Fl Oz. / 12 Drinks)
        Ryse
        Clear Whey Protein Drink - 22g Whey Isolate - Kool-Aid Tropical Punch (16.9 Fl Oz. / 12 Drinks)
        (12)
        $39.99
      • Auto Delivery Save 15%
        Burn XT Thermogenic Fat Burner (60 Veggie Capsules)
        Jacked Factory
        Burn XT Thermogenic Fat Burner (60 Veggie Capsules)
        (294)
        $31.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off Ryse brand cases. Offer valid 04/13/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items.
        RYSE Fuel Energy Drink - Kool-Aid Grape (12 Drinks/ 16 Fl Oz. Each)
        Ryse
        RYSE Fuel Energy Drink - Kool-Aid Grape (12 Drinks/ 16 Fl Oz. Each)
        (5)
        $29.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off Ryse brand cases. Offer valid 04/13/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items.
        RYSE Fuel Energy Drink – Kool-Aid Tropical Punch (12 Drinks/16 fl. oz. Each)
        Ryse
        RYSE Fuel Energy Drink – Kool-Aid Tropical Punch (12 Drinks/16 fl. oz. Each)
        (19)
        $29.99
      • Auto Delivery Save 15%
        Neuro-Mag – Magnesium L-Threonate for Enhanced Memory & Cognitive Function – 2,000 MG Magtein (90 Capsules)
        Life Extension
        Neuro-Mag – Magnesium L-Threonate for Enhanced Memory & Cognitive Function – 2,000 MG Magtein (90 Capsules)
        (694)
        $46.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off EFX Sports brand products. Offer valid 04/13/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items.
        Karbolyn Fuel Performance Carb - Cherry Limeade (35.3 oz./ 19 Servings)
        EFX Sports
        Karbolyn Fuel Performance Carb - Cherry Limeade (35.3 oz./ 19 Servings)
        $29.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        Resistant Starch Prebiotic Fiber – Supports Regularity and Overall Digestive Health (5.3 oz./30 Servings)
        the Vitamin Shoppe
        Resistant Starch Prebiotic Fiber – Supports Regularity and Overall Digestive Health (5.3 oz./30 Servings)
        $19.99
      • Auto Delivery Save 15%
        GHOST Energy Drink - Zero Sugar - Cherry Limeade (12 Drinks, 16 Fl Oz. Each)
        GHOST Energy
        GHOST Energy Drink - Zero Sugar - Cherry Limeade (12 Drinks, 16 Fl Oz. Each)
        (6)
        $29.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off Ryse brand cases. Offer valid 04/13/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items.
        RYSE Fuel Energy Drink – Cotton Candy (12 Drinks/16 fl. oz. Each)
        Ryse
        RYSE Fuel Energy Drink – Cotton Candy (12 Drinks/16 fl. oz. Each)
        (10)
        $29.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off Ryse brand cases. Offer valid 04/13/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items.
        RYSE Fuel Energy Drink – Frosted Lemonade (12 Drinks / 16 Fl Oz Each)
        Ryse
        RYSE Fuel Energy Drink – Frosted Lemonade (12 Drinks / 16 Fl Oz Each)
        (5)
        $29.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off Ryse brand cases. Offer valid 04/13/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items.
        RYSE Fuel Energy Drink – SunnyD Tangy Original (12 Drinks/16 fl. oz. Each)
        Ryse
        RYSE Fuel Energy Drink – SunnyD Tangy Original (12 Drinks/16 fl. oz. Each)
        (10)
        $29.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off The Vitamin Shoppe, plnt, BodyTech, BodyTech Elite, Vthrive The Vitamin Shoppe, ProBioCare, True Athelete, and Whole Health Rx brand products. Offer valid 03/30/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items. Bulk orders will be subject to cancellation
        Whey Protein Isolate Powder - Rich Chocolate (3 lbs./43 Servings)
        BodyTech
        Whey Protein Isolate Powder - Rich Chocolate (3 lbs./43 Servings)
        (34)
        $64.99
      • Auto Delivery Save 15%
        Sparkling Energy Drink - Tropical Terror (12 Drinks, 12 Fl Oz Each)
        Liquid Death
        Sparkling Energy Drink - Tropical Terror (12 Drinks, 12 Fl Oz Each)
        (1)
        $29.99
      • BOGO

        Buy One, Get One 50% Off
        Buy one, get one 50% off JYM Supplement Science brand products. Offer valid 04/13/2026 through 04/26/2026. Discount taken off price of second item of equal or lesser value. Excludes clearance items.
        Alpha Advanced Testosterone Optimization with Ashwagandha, Fenugreek and Shilajit (240 Capsules)
        JYM Supplement Science
        Alpha Advanced Testosterone Optimization with Ashwagandha, Fenugreek and Shilajit (240 Capsules)
        (153)
        $69.99
      • Sale

        Auto Delivery Save 15%
        Muscle Peptide 185 for Anabolic Strength (84 Capsules)
        Muscletech
        Muscle Peptide 185 for Anabolic Strength (84 Capsules)
        (7)
        $63.99$79.99
      Slide NaN of 3
      BrandArthur Andrew Medical
      Health ConcernsProbioticsImmune
      HomeDigestion & Gut HealthProbioticsSyntol AMD Advanced Microflora Delivery - 500 MG (180 Capsules)

      Sign In

      Please sign in to submit a reivew/ask a question.

      Forgot your password?

      Don’t have an account? Sign Up

      My Account
      • My Account
      • My Auto Delivery
      • Gift Cards
      • Order Tracking & History
      • Quick Reorder
      • Rewards Center
      Shop With Us
      • Store Locator
      • Vitamin Shoppe Brand
      • Quality Promise
      • The Vitamin Shoppe App
      • About Healthy Awards
      • FREE Nutrition Coaching
      • About Auto Delivery
      • Shipping Rates
      • *Promotion Details & Exclusions
      • Returns
      • Help / FAQs
      Corporate Information
      • About The Vitamin Shoppe
      • Careers
      • Press Room
      • Management
      • Product Recalls
      • New Suppliers
      • Affiliate Program
      • Our Commitment to Communities
      • Contact Us
      Policies
      • Accessibility Notice
      • CA Transparency In Supply Chains
      • Privacy Policy
      • CA Applicant Privacy Notice
      • Terms of Use
        (Updated 4/9/2026)
      • Purchase Policy
      • Healthy Awards Terms and Conditions
      • Auto Delivery Terms and Conditions
      Stay Connected
      Read Our What’s Good Blog
      Learn About Our Wellness Council
      Facebook Instagram YouTube LinkedIn tiktok

      EARN FREE POINTS WITH OUR APP

      Scan to Download

      QR Code to download App
      Google Play Logo Google Play Logo
      Apple Store Logo Apple Store Logo
      Call Us
      natural products association 2024

      Accredited business
      vitamin angels
      rwb
      Site Map | ©2026 The Vitamin Shoppe®

      Statements made on this website have not been evaluated by the U.S. Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Information provided by this website or this company is not a substitute for individual medical advice.

      Page loadingLOADING...
      Page loadingLOADING...
      back to top

      Sign In

      Forgot/Need a Password?

      Join Now

      Gain access to instant points, Cash Back Awards, exclusive giveaways, and V.I.P. events, for starters.
      Continue as a guest >

      Join Now

      Ready to get your V.I.P. on? Fill out the info below and we’ll kickstart your membership with 25 FREE bonus points towards a Cash Back Award.

      8 or more characters

      Uppercase letters

      Lowercase letters

      At least one number

      By creating an account, you agree to the Healthy Awards Terms and Conditions , Auto Delivery Terms and Conditions and the Vitamin Shoppe's Terms of Use and Privacy Policy. If you are a California or Colorado resident, you agree that you are enrolling in a financial incentive/loyalty program and acknowledge that you have read and understand the Financial Incentive and Loyalty Program Notice.

      Join Now

      Ready to get your V.I.P. on? Fill out the info below and we’ll kickstart your membership with 25 FREE bonus points towards a Cash Back Award.

      8 or more characters

      Uppercase letters

      Lowercase letters

      At least one number

      By creating an account, you agree to the Healthy Awards Terms and Conditions , Auto Delivery Terms and Conditions and the Vitamin Shoppe's Terms of Use and Privacy Policy. If you are a California or Colorado resident, you agree that you are enrolling in a financial incentive/loyalty program and acknowledge that you have read and understand the Financial Incentive and Loyalty Program Notice.

      You're In

      Thanks for joining the family. Now you get points on every purchase—towards Cash Back Awards—plus, access to the Rewards Center with free points activities every month, giveaways, and oh yeah… those 25 bonus points will be in your account by tomorrow.

      You're In

      Thanks for joining the family. Now you get points on every purchase—towards Cash Back Awards—plus, access to the Rewards Center with free points activities every month, giveaways, and oh yeah… those 25 bonus points will be in your account by tomorrow.

      All sale prices are valid through 04/26/2026. Not valid on prior purchases. Sale prices exclude the cost of shipping and tax.
      All sale prices are valid through 04/26/2026. Not valid on prior purchases. Sale prices exclude the cost of shipping and tax.