Metagenics BCAAs, Workout Support Powder, 7.72 oz. Powder

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Purchasing this product today earns you 44 DR Reward Points!
Purchasing this product today earns you 44 DR Reward Points!

No workout is complete without healthy levels of branched-chain amino acids (BCAAs). Ask any fitness buff or gym rat, and they’ll likely tell you about the prevalence of BCAA supplement powders around the locker room. To meet the growing demand for a workout supplement which is manufactured according to pharmaceutical-grade standards, Metagenics is proud to provide their top-of-the-line BCAA Powder.


  • Directly involved in protein synthesis and turnover.
  • A popular supplement for supporting rigorous exercise routines.
  • May have a meaningful impact on fatigue and serotonin levels post workout.
  • BCAA deficiencies could result in cognitive and immune health complications.
  • BCAAs are essential nutrients – must be ingested from food or supplements, not synthesized in the body.
  • Delicious and refreshing orange mango flavor!

Branched-Chain Amino Acid Overview

When most people think about branched-chain amino acids (BCAAs) they think about muscle building. While this is well-grounded in science, it does unfortunately lead people to a general misunderstanding of how BCAAs function in the body and their true potential for nutritional support.

Thankfully, there are only 3 BCAAs to keep track of: leucine, isoleucine, and valine. These amino share a lot in common, namely the fact that they are essential amino acids, meaning they cannot be synthesised in the body and must be ingested from food or supplements. Each provide their own unique mechanisms of support, but fall under the same basic metabolic and physiological roles.

Roles of BCAAs in the Body

First, and most notoriously, BCAAs are directly involved in the metabolic processes of protein synthesis and turnover.1 This is the primary reason that they are useful for those who engage in diet and exercise routines with the intent of building muscle mass.

Less well known is the astounding importance that BCAAs have in neurological systems which play a pivotal role in brain health and cognitive function. The modes of action for BCAAs in the brain particularly revolve around tryptophan transport into the brain and serotonin synthesis. Some results have shown that excess BCAA could have negative a impact on healthy serotonin levels,2 but conversely, low BCAA can cause numerous neurochemical imbalances as well.

Even more obscure is the fact that BCAAs can also provide incredible benefits for healthy immune response! Immune performance improvements have been reported in both mice and postsurgical or septic human patients. While much is still unknown about the exact effects of BCAAs on the immune system, it is suspected that their role in protein synthesis is deeply related to the function of immune cells.3


Note: This product is non-GMO, gluten-free, and vegetarian.

Storage: Keep tightly closed in a cool, dry place.


  • If pregnant, nursing, or undergoing treatment for a medical condition, consult your physician before taking this product
  • Keep out of reach of children
  • Do not exceed recommended dose

* These statements have not been evaluated by the Food and Drug Administration. This Product is not intended to diagnose, treat, cure or prevent any disease.

Supplement Facts

Serving Size: 1 Scoop (7.3 g)

Servings Per Container: 30

Amount Per Serving
Calories 25
Sodium (as sodium chloride) 40 mg
L-Leucine 3 g
L-Valine 1.5 g
L-Isoleucine 1.5 g
Other Ingredients: Natural flavors,^ citric acid, malic acid, rebaudioside A (from Stevia rebaudiana leaf extract), and silica.

Dosage & Use

  • Blend, shake, or briskly stir 1 scoop (7.3 g) into 8 oz of chilled water before and after exercise or with a meal as directed by your healthcare practitioner.


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1. Metabolic and Physiological Roles of Branched-Chain Amino Acids
2. BCAA Brain Study
3. Branched-Chain Amino Acids and Immunity