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ShippingFree ShippingAmino Acids for Adults
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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- BodyTechCritical 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 57 customer reviews$29.99 - BodyTechWhey Protein Isolate Powder - French Vanilla (3
- Supports muscle growth and exercise recovery
- Fast absorbing
- Low in lactose
- French Vanilla flavor
You work hard for your fitness—that's why you need a protein that works just as hard. Fast-digesting, low-calorie, and high-quality Whey Protein Isolate from BodyTech® supports muscle growth and post-workout recovery with 25g of protein, plus a high concentration of BCAAs.
Frequently Asked Questions
What sets whey protein isolate apart from other forms of whey protein?
Whey protein isolates (WPI) have the highest concentration of protein and BCAAs, while having less carbs, cholesterol, and fat compared to other whey proteins. WPI are also low in lactose and easy on the digestive tract.
What are BCAAs?
Branched-chain amino acids (BCAAs) include leucine, isoleucine, and valine. They support muscle growth and reduce muscle fatigue.
Rated 4 stars out of 5 stars, From 400 customer reviews$84.99 - New ChapterMagnesium Complex - 2.5x Better Absorption - Muscle,Triple Magnesium Complex: Masterfully crafted with 3 types of high-quality magnesium for 5 science-backed benefits—healthy muscle function, bone health, heart health, nerve transmission & cellular energy production. 2.5x better absorbed magnesium: Gentle magnesium glycinate is combined with sea-sourced magnesium that has 70+ trace minerals including electrolytes + fermented magnesium. Restore & reinforce: Essential mineral supplement delivers nature’s well-absorbed magnesium in forms carefully selected to work best without digestive disruption Easier to swallow: Fits your favorite schedule; for example, take morning and evening for gentle magnesium benefits day and night. Smaller size compared to New Chapter Magnesium + Ashwagandha tablets. Did you know many Americans don’t get enough magnesium? Fortunately, taking a high-quality magnesium supplement like our triple magnesium complex makes it easy to boost your levels of this essential mineral. Our crucial combo of whole-food fermented magnesium, sea-sourced magnesium, and high-absorption magnesium bisglycinate (also known as magnesium glycinate) works in harmony with your body to support healthy muscle function, bone health, heart health, nerve transmission, and cellular energy production. Formulated with lab-validated TRAACS (The Real Amino Acid Chelate System) magnesium, shown by science to deliver this mineral in a form your body uses best, without laxative/GI effects.$54.99
- DissolvdGlutathione Oral Strips - Brighten, Detoxify, and ProtectBrighten, Detoxify, and Protect — One Strip at a Time. Dissolvd Glutathione Oral Strips deliver the master antioxidant in its most convenient, bioavailable form. No pills. No powders. No hassle. Just a fast‑melting strip that works with your body to support brighter skin, cellular detoxification, and a stronger immune response.$79.99
Find Amino Acids for Adults 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 for Adults 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.
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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.