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Amino Acids by The Vitamin Shoppe

Amino acids are the building blocks of protein and play a vital role in supporting muscle growth, recovery, and overall wellness. At The Vitamin Shoppe, we offer a wide range of amino acid supplements by leading brands to help you meet your fitness and nutritional goals.

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The Vitamin Shoppe
NAC N-Acetyl-L-Cysteine - Promotes Cellular Health, Immune & Antioxidant Support - 600 MG (200 Capsules)
(63)
$34.99
($0.17/Serving)

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The Vitamin Shoppe
L-Citrulline - Free-Form Amino Acid - Nitric Oxide Booster - 1,000 MG (120 Vegetarian Capsules)
(14)
$25.99
($0.43/Serving)

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The Vitamin Shoppe
L-Arginine Amino Acid - Supports Production of Nitric Oxide - 500 MG (300 Capsules)
(13)
$29.99
($0.10/Serving)

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The Vitamin Shoppe
Glycine - Nervous System Support & Restful Sleep - 3,000 MG (100 Capsules)
(1)
$17.99
($0.55/Serving)

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The Vitamin Shoppe
NAC N-Acetyl-L-Cysteine - Promotes Cellular Health, Immune & Antioxidant Support - 600 MG (100 Capsules)
(6)
$24.99
($0.25/Serving)

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The Vitamin Shoppe
Taurine - Free-Form Amino Acid for Cardiovascular Health - 500 MG (300 Capsules)
(7)
$29.99
($0.10/Serving)

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The Vitamin Shoppe
Amino Acid Complex for Exercise Performance (100 Tablets)
(25)
$27.99
($1.12/Serving)

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The Vitamin Shoppe
Double Strength Taurine - Cardiovascular & Nervous System Support - 1,000 MG (100 Vegetable Capsules)
(3)
$17.99
($0.18/Serving)

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The Vitamin Shoppe
NAC N-Acetyl-L-Cysteine - Promotes Cellular Health, Immune & Antioxidant Support - 600 MG (50 Capsules)
(10)
$13.99
($0.28/Serving)

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The Vitamin Shoppe
L-Tyrosine - Supports Mental Alertness, Neurotransmitter Production & Brain Function - 500 MG (300 Capsules)
(6)
$37.99
($0.13/Serving)

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The Vitamin Shoppe
L-Glutamine - Free Form Amino Acid for Muscle & Gut Health - 500 MG (300 Capsules)
(5)
$32.99
($0.11/Serving)

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The Vitamin Shoppe
Glycine Powder – 3,000 MG – Restful Sleep & Nervous System Support (8 oz./75 Servings)
(3)
$17.99
($0.24/Serving)

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The Vitamin Shoppe
GABA for Relaxation & Focus - 750 MG (180 Tablets)
(12)
$34.99
($0.19/Serving)

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The Vitamin Shoppe
L-Tyrosine - Supports Mental Alertness, Neurotransmitter Production & Brain Function - 500 MG (100 Capsules)
(13)
$19.99
($0.20/Serving)

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The Vitamin Shoppe
L-Carnitine - Amino Acid to Support Fat Metabolism & Cardiovascular Health - 3,000 MG - Raspberry (24 fl. oz.)
(4)
$34.99
($0.78/Serving)

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The Vitamin Shoppe
L-Arginine Amino Acid - Supports Production of Nitric Oxide - 500 MG (100 Capsules)
(7)
$18.99
($0.19/Serving)

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The Vitamin Shoppe
GABA for Relaxation & Focus - 750 MG (90 Tablets)
(11)
$21.99
($0.24/Serving)

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The Vitamin Shoppe
Carnipure L-Carnitine Amino Acid - 1,100 MG - Raspberry (16 fl. oz.)
(13)
$24.99
($0.81/Serving)

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The Vitamin Shoppe
L-Carnitine Amino Acid - 3,000 MG - Supports Energy Production & Fat Metabolism - Raspberry (16 fl. oz.)
(2)
$29.99
($0.97/Serving)

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The Vitamin Shoppe
L-Glutamine - Free Form Amino Acid for Muscle & Gut Health - 500 MG (100 Capsules)
(6)
$21.99
($0.22/Serving)

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The Vitamin Shoppe
Taurine - Free-Form Amino Acid for Cardiovascular Health - 500 MG (100 Capsules)
(7)
$12.99
($0.13/Serving)

Same-Day Delivery. Order by 2PM.

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Looking For More?
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    CLA Carnitine Collagen Powder - Supports Fat Metabolism & Healthy Skin - Fruit Punch (15.98 oz./30 Servings)
    CLA Carnitine Collagen Powder - Supports Fat Metabolism
    • Promotes fat metabolism & energy production
    • Supports healthy skin & joints
    • Fruit Punch flavor

    Keep your squats low and physique on-point with crave-crushing Fruit Punch CLA Carnitine Collagen Powder by BodyTech. This revolutionary sports supplement combines collagen peptides, CLA, and carnitine to promote high energy, fat metabolism, and healthy joints.

    But that's not all. Collagen also has the added benefit of supporting healthy skin, so you can flex your muscles and your glow.

    Frequently Asked Questions

    What is l-carnitine?

    L-carnitine is an amino acid that transports fatty acids to your muscle cells' mitochondria to support energy and recovery.

    What is CLA?

    Conjugated linoleic acid (CLA) is a fatty acid that supports lean muscle and fat metabolism.

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  • The Vitamin Shoppe
    Alpha Lipoic Acid Antioxidant with Chromax® & Biotin - 300 MG (120 Capsules)
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    • Offers antioxidant support
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    The Vitamin Shoppe® brand Alpha Lipoic Acid with Chromax® & Biotin 300mg capsules are a once-daily solution to bolster your lifelong wellness goals. These capsules contain a blend of blood sugar-supporting Chromax ® chromium picolinate, cellular health-reinforcing alpha lipoic acid, and energy-promoting biotin all in one.

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  • BodyTech
    Critical Aminos XT - Intra/Post Workout Powder - Fruit Punch (11.1 Oz. / 45 Servings)
    Critical Aminos XT - Intra/Post Workout Powder -
    • Glutamine and BCAAs for muscle growth
    • Citrulline to support nitric oxide synthesis
    • Carnitine for energy production and recovery
    • AOX antioxidant protection
    • Fruit Punch flavor

    It doesn't matter if you're a seasoned athlete or just starting out on your fitness journey - we could all use a little backup when the going gets tough. Critical Aminos XT® by BodyTech® provides intra- and post-workout aid with glutamine, BCAAs, citrulline, and carnitine to promote energy production, muscle performance, and recovery.

    This tasty Fruit Punch-flavored powder also features AOX antioxidant protection with vitamin C and grape seed extract.

    Frequently Asked Questions

    What are BCAAs?

    Branched-chain amino acids (BCAAs) includeleucine, isoleucine, and valine. They support muscle growth and reduce muscle fatigue.

    What is glutamine?

    Glutamine is an essential amino acid that helps regulate protein synthesis for muscle recovery.

    What is citrulline?

    Citrulline is an amino acid involved in the production of nitric oxide, which increases blood flow to working muscles.

    What is carnitine?

    Carnitine is an amino acid-like compound that supports exercise recovery.

    Rated 5 stars out of 5 stars, From 25 customer reviews
    $29.99
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  • Nutri Supplements
    Neuro-NAC - Glycine & NAC Ethyl Ester - Glutathione for Healthy Aging - 800/100 MG (60 Capsules)
    Neuro-NAC - Glycine & NAC Ethyl Ester -
    NAC Ethyl Ester with glycine is 20x more bioavailable than NAC and crosses the blood brain barrier. It increases glutathione, the mother of all antioxidants, which promotes eye health, brain health, cellular health, detoxification, and proper immune function.
    Rated 4 stars out of 5 stars, From 39 customer reviews
    $29.99
    Add To Cart
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Find Amino Acids by The Vitamin Shoppe at The Vitamin Shoppe Store Near You

There are more than 600 The Vitamin Shoppe® stores across the US, so it's very likely you can pop in and find Amino Acids by The Vitamin Shoppe locally. Check out our store locator to find a Shoppe near you. Don’t forget—you’ll save at least 15% on every subscription with Auto Delivery, plus an addition 5% off select brands to help you stay on the path. Not only will you never miss a thing, but you’ll also get free shipping on subscription refills of $25 or more!* You define what better looks (and feels) like—Count on us to help you get there.

Shipping & Returns

  • FREE for Orders over $45

    Orders under $45, domestic shipping is only $7.99. Find more at our Shipping Policy page.

    • Return Policy for Items Purchased Online

    Shop with confidence with our Easy Returns Policy. Customers may return any opened or unopened merchandise purchased from any Vitamin Shoppe channel to any Vitamin Shoppe store within 30 days. Find more at our full Returns Policy page.

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