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L-Citrulline – Free-Form Amino Acid – Nitric Oxide Booster – 1,000 MG (240 Vegetarian Capsules)

L-Citrulline – Free-Form Amino Acid – Nitric Oxide Booster – 1,000 MG (240 Vegetarian Capsules)

$44.99
($0.37/serving)

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L-Citrulline – Free-Form Amino Acid – Nitric Oxide Booster – 1,000 MG (240 Vegetarian Capsules)

Rated 4.3 out of 5
16 Reviews4 Questions18 Answers
Dairy FreeGluten FreeSoy Free
$44.99
($0.37/serving)

AUTO DELIVERY SAVE 20%

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Product Info

About This Product

  • Supports nitric oxide production
  • Promotes exercise endurance and cardiovascular health
  • Free of gluten, dairy, soy, and nuts

Whether you're a weightlifter, runner, or simply mindful of your cardiovascular wellness, l-citrulline can help. The body converts this free-form amino acid into nitric oxide, which is a vasodilator that promotes endurance, healthy circulation, and increased blood flow to working muscles.

Read More

Directions

Take two (2) vegetable capsules daily, preferably with a meal.

Warning

Consult your healthcare provider prior to use if you are pregnant, nursing, taking any medication or have any medical conditions. Store in a cool, dry place. Keep out of reach of children. Tamper evident Do not use if seal is broken or missing.

Supplement Facts

Serving Size: 2 Capsule(s)
Number of Servings: 120 Servings
Amount Per Serving
% Daily Value
L-CITRULLINE   
**%

Other Ingredients:

Hypromellose (capsule), stearic acid, magnesium stearate, silicon dioxide, microcrystalline cellulose.

Specifications

Brand:
The Vitamin Shoppe
Form:
Vegetarian Capsules
Strength:
1000 MG
Serving Size:
2 Capsule(s)
Number of Servings:
120 Servings
Price per Serving:
($0.37 / serving)
Product Weight:
1  OZ
Allergens:
Soy Free
Specialty Diets:
Dairy Free ,  Gluten Free
Item # :
VS-4238 / 2692663

Product Reviews
   (16)

16 Ratings
4.3out of 5 stars
16 Ratings

Rated 5 stars by 69% of reviewers

Rated 4 stars by 6% of reviewers

Rated 3 stars by 19% of reviewers

Rated 2 stars by 0% of reviewers

Rated 1 star by 6% of reviewers

Would you recommend?
1-10 of 16 Reviews
Sep 15, 2026
Rated 5 out of 5
Great Daily Supplement
This is a great delivery of Citrulline, the primary pump driver in pre-workout supplements. No jitters or crash. I take two on my drive to the gym.
Thomas MVerified Purchaser
Location
Birmingham, MI, US
Gender
Male
Age Range
35-44
Would you recommend?Yes
Purchased on Sep 7, 2026
Was this helpful?
Oct 9, 2025
Rated 3 out of 5
Too early
Only recently started. Too early to say if it helps.
James FVerified Purchaser
Location
Ormond Beach, FL, US
Gender
Male
Age Range
65+
Purchased on Sep 17, 2025
Was this helpful?
Oct 9, 2025
Rated 3 out of 5
Good for the Blood?
I have been taking this consecutively for several months. I'm not certain of the benefits.
gina cVerified Purchaser
Location
Winter Haven, FL, US
Gender
Female
Age Range
65+
Would you recommend?Yes
Purchased on Aug 15, 2025
Was this helpful?
Jul 12, 2025
Rated 5 out of 5
Highly Recommend
Works well for me. I can tell a major difference. I take 4 a day in the morning on an empty stomach.
John LVerified Purchaser
Location
MD, US
Gender
Male
Age Range
45-54
Would you recommend?Yes
Purchased on Mar 29, 2024
Was this helpful?
Jun 22, 2025
Rated 5 out of 5
Great Product
This has helped my Blood Pressure Tremendously!
Caine W
Location
Cairo, GA, US
Gender
Male
Age Range
35-44
Would you recommend?Yes
Was this helpful?
Mar 9, 2024
Rated 5 out of 5
Very Pleased!
I can definitely tell a difference since taking.
Craig PVerified Purchaser
Purchased on Jan 31, 2024
Was this helpful?
Feb 19, 2024
Rated 5 out of 5
Using citraline
Works great as directed by taking 2 mostly. Can take 3 too
JOSEPH S. VVerified Purchaser
Location
St Augustine, FL, US
Gender
Male
Age Range
55-64
Would you recommend?Yes
Purchased on Jul 2, 2023
Was this helpful?
May 14, 2023
Rated 4 out of 5
It is a good supplement when used along with medication.
I have high blood pressure. the L-Citruline seems to help when used with my medication when taken at different times of the day for each.
RANDALL HVerified Purchaser
Location
Las Vegas, NV, US
Gender
Male
Age Range
65+
Would you recommend?Yes
Purchased on Apr 10, 2023
Was this helpful?
Jul 11, 2022
Rated 5 out of 5
L-Citrulline
Good stuff - helps keep my energy level up. I take 4 - 5 capsules daily.
JONVerified Purchaser
Location
Lakewood, CO, US
Gender
Male
Age Range
65+
Would you recommend?Yes
Purchased on Jun 10, 2022
Was this helpful?
Dec 26, 2021
Rated 3 out of 5
Benefits not seen
I've been using it for about a month but I'm not sure it's doing all it is supposed to be doing for me
Handel BVerified Purchaser
Location
Ocala , FL, US
Gender
Male
Age Range
45-54
Would you recommend?No
Purchased on Nov 25, 2021
Was this helpful?
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

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.
1 Question
Why did you choose this?
The Vitamin ShoppeStore

circulation health

James L B

This prevents PVCs for me and increases nitric oxide

Lawrence M

trying it

Phil M

Energy , male sexually heath products , gym

frank a
Questions for Similar Products
does this help in ed ?
L-Citrulline Capsules
About
L-Citrulline Capsules
A shopper

  I don't understand the question

daryl j

It promotes Nitric Oxide production which is what causes you to get an erection.

Jeff H

  No, not really!

Victor G

Vote for the best answer above!

How will this product increase my Nitric Oxide production? Is this product a better choice than L-Arginine? Are there any better choices to increase my Nitric Oxide production?
L-Citrulline Capsules
About
L-Citrulline Capsules
A shopper

  Citrulline is the precursor to Arginine, so yes it is much better for N.O. production than Arginine. You can comblne both if you want for added effect but if you only want one supplement then L-Citrulline is the better of the two.

Dominic C

Vote for the best answer above!

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 $45 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 $45 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 $45 or more) may be subject to a delivery surcharge. This will be noted in the order summary based on your shipping address at checkout.

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About The Vitamin Shoppe

Featuring a wide range of quality vitamins, minerals, and supplements at everyday low prices, every formula is verified for ingredient potency and purity—to help you become a better you.

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Experts Break it Down

5 Groups of People Who Could Benefit From More Amino Acids

5 Groups of People Who Could Benefit From More Amino Acids

Just like some folks can benefit from including more calcium or omega-3s in their diets, certain groups of people can reap better health by ramping up amino acids. Read on to discover if you’re one of the many people who could use more aminos in your life.

Which Pump-Boosting Amino Acid Is Better: L-Arginine Or L-Citrulline?

Which Pump-Boosting Amino Acid Is Better: L-Arginine Or L-Citrulline?

When it comes to fitness-boosting amino acids, BCAAs seem to get all of the attention. However, two other amino acids deserve some spotlight, too: l-arginine and l-citrulline. Here’s what you need to know about their unique benefits—and which to incorporate into your workout routine.

5 Amino Acids All Gym Lovers Should Know About

5 Amino Acids All Gym Lovers Should Know About

Whether you’re considering adding an amino acid supplement to your fitness routine, don’t know much about the one you’re already taking, or just want to understand the magic that happens inside your muscles—we’ve got all the amino info you need.

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