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Pure Nutrition USA BCAA Blast, 1,1LB, 77 Servings + FREE Pure Glutamine, 8.8oz, 50 Servings

Pure Nutrition USA

Pure Nutrition USA BCAA Blast, 1,1LB, 77 Servings + FREE Pure Glutamine, 8.8oz, 50 Servings

Category: Amino Acids

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BCAA Blast is a blend of 5000 mg of Branched Chain Amino Acids and Glutamine for lean muscle and recovery.


What is BCAA Blast?

BCAA Blast is an evidence-based workout support supplement made for active individuals, regardless if you’re an elite athlete, an avid runner, or a weekend gym warrior. BCAA Blast is formulated with scientifically proven ingredients that have been shown to:

  • Increase muscle protein synthesis (and improve muscle building)
  • Promote recovery during and after intense exercise
  • Support lean body mass
  • Reduce fatigue, allowing you to train longer and harder
  • Decrease muscle tissue breakdown 

BCAA Blast contains no added sugars that only detract from your performance. Best of all, we’re confident it’s the best tasting intraworkout supplement you will ever try, and it comes in 9 different refreshing fruit flavors! 

We also have an unflavored BCAA Blast that contains nothing but pure and raw BCAA, L-glutamine, and vitamin B-6 (no artificial sweeteners or flavorings).

Why BCAA Blast Is the Best BCAA Supplement Available

BCAA Blast is an elite intraworkout supplement that is ideal for active people and those who want to get the most out of their training efforts.  Unlike many BCAA supplements, BCAA Blast contains the most effective ratio of branched-chain amino acids, along with synergistic L-glutamine and vitamin B6 for enhanced recovery and mental performance. It is also manufactured in the USA in a cGMP facility and has a taste that you’re sure to love.

Benefits of BCAA Blast:

  • PREMIUM WORKOUT SUPPORT SUPPLEMENT. BCAA Blast contains clinically-researched ingredients in efficacious doses that have been shown to enhance recovery and workout performance.
  • BOOST MUSCLE TISSUE GROWTH AND INHIBIT MUSCLE TISSUE BREAKDOWN. BCAA Blast works to increase muscle protein synthesis and protect you far losing hard-earned muscle tissue. 
  • KEEP ENERGIZED AND ENHANCE WORKOUT PERFORMANCE. BCAA Blast helps to keep you energized and performing at a high level throughout your entire workout.
  • NO PROPRIETARY BLENDS, MANUFACTURED IN THE USA IN A cGMP FACILITY. BCAA Blast is free from proprietary blends and made in cGMP facility in the USA, ensuring you get a product that is potent, pure, and safe.

 The Science behind BCAA Blast

2:1:1 Branched-Chain Amino Acids: 4000 mg per serving 
Branched-chain amino acids (BCAAs) are comprised of three essential amino acids: leucine, isoleucine, and valine. These particular amino acids must be obtained through diet since humans don’t synthesize them endogenously. Research has found that BCAAs are critical substrates for positively regulating muscle protein synthesis.1 In effect, supplementing with BCAAs helps to promote muscle growth, prevent muscle tissue breakdown, reduce soreness after training, and promote fat loss.3, 4

The muscle protein synthesis pathway is initiated by a complex of proteins called mTOR protein complexes.  Research has found that the BCAA L-leucine activates key enzymes in the mTOR pathway.1 However, L-leucine on its own does not sufficiently increase muscle protein synthesis (it is more efficient in the presence the other two BCAAs).2 

Moreover, L- isoleucine appears to be responsible for enhancing non-insulin dependent glucose uptake into skeletal muscle tissue (via increase in GLUT4 expression), which results in preservation of lean body mass and promotes fat loss.4 

L-Glutamine: 1000 mg per serving
L-glutamine is one of the most abundant amino acids in the human body and plays an important role in many biological functions. During exercise, especially intense exercise, the body’s glutamine stores are depleted, which can negatively impact performance and also suppress immune function.5 This makes glutamine supplementation a priority for athletes and active gym-goers.

Vitamin B6 (Pyridoxine HCl): 2.5 mg per serving

There are more than 160 human physiological reactions in which the active form of vitamin B6 is essential for. A particularly important reaction that vitamin B6 is involved in the conversion of L-tryptophan into 5-HTP. As such, consuming supplemental vitamin B6 helps increase 5-HTP synthesis in your brain, which has a variety of benefits on your cognitive function and mental performance.  

How to Use BCAA Blast

Taking BCAA Blast before, during, and/or after exercise will elicit the most benefits and results. We recommend using it as an intraworkout supplement at the very least. Some people prefer to sip on BCAA Blast throughout the day to keep muscle protein synthesis elevated, which encourages muscle building and lean body mass preservation. 


    • Q: Couldn’t I just take a protein supplement instead of BCAAs and glutamine?

A: It depends on what you’re trying to accomplish; BCAAs (and other free-form amino acids) are much quicker to be utilized since they are unbound substrates, whereas protein needs to be digested to a degree before plasma amino acid levels will rise.

    • Q: Will BCAA Blast benefit me if I’m an endurance athlete?

A: Absolutely, the added BCAAs and glutamine will help impede excessive muscle breakdown that is generally associated with long-duration aerobic exercise. And the electrolyte blend will slow dehydration and cramping.

    • Q: How long will it take to notice the effects of BCAA Blast?

A: BCAA Blast is rapidly absorbed into the blood and is effective from the very first time you use it. 


    1. Blomstrand E, Eliasson J, Karlsson HK, Köhnke R. Branched-chain amino acids activate key enzymes in protein synthesis after physical exercise. J Nutr. 2006 Jan;136(1 Suppl):269S-73S. 
    2. Suryawan A, Torrazza RM, Gazzaneo MC, Orellana RA, Fiorotto ML, El-Kadi SW, Srivastava N, Nguyen HV, Davis TA.Enteral leucine supplementation increases protein synthesis in skeletal and cardiac muscles and visceral tissues of neonatal pigs through mTORC1-dependent pathways. Pediatr Res. 2012 Apr;71(4 Pt 1):324-31.
    3. Howatson G, Hoad M, Goodall S, Tallent J, Bell PG, French DN. Exercise-induced muscle damage is reduced in resistance-trained males by branched chain amino acids: a randomized, double-blind, placebo controlled study. J Int Soc Sports Nutr. 2012 May 8;9(1):20. 
    4. Manders RJ, Little JP, Forbes SC, Candow DG. Insulinotropic and muscle protein synthetic effects of branched-chain amino acids: potential therapy for type 2 diabetes and sarcopenia. Nutrients. 2012 Nov 8;4(11):1664-78.
    5. Cruzat, V. F., & Tirapegui, J. (2009). Effects of oral supplementation with glutamine and alanyl-glutamine on glutamine, glutamate, and glutathione status in trained rats and subjected to long-duration exercise. Nutrition,25(4), 428-435.
    6. Shirreffs, S. M., & Sawka, M. N. (2011). Fluid and electrolyte needs for training, competition, and recovery. Journal of sports sciences, 29(sup1), S39-S46.

Pure Nutrition BCAA Blast


Serving Size 1 level scoop (6.5 g)
Servings 77
Calories 21 kcal
L-Leucine 2000 mg
L-Isoleucine 1000 mg
L-Valine 1000 mg
L-Glutamine 1000 mg
Vitamin B6 ( Pirodoxine ) 2.5 mg
Potassium 40 mg





                Pure Nutrition L-Glutamine Powder

What is Pure Nutrition L-Glutamine Powder?

Pure Nutrition L-Glutamine Powder provides pure Kyowa Quality fermented L-glutamine. L-Glutamine is a conditionally essential amino acid, meaning the body’s demand for it increases during instances of stress and/or prolonged physical activity. L-glutamine plays a variety of roles in the human body and is particularly important for keeping the immune system and gastrointestinal (GI) tract healthy. 

How Pure Nutrition L-Glutamine Powder Works

Amino acids are the building blocks of protein; they are imperative for repairing/building tissue, especially in muscles, bones, hair, skin, and nails. They also play a part in the function of glands, organs, tendons, and blood vessels.

L-Glutamine is the single most abundant amino acid in the human body, found in many tissues. It is a necessary precursor of two key neurotransmitters in the body, Gamma-aminobutyric acid (also referred to simply as GABA) and glutamate. Thus, low availability of L-glutamine in the body can disrupt proper production of these neurotransmitters. However, there are other supplements that increase production of GABA and glutamate more efficiently, such as phenibut and GABA itself.

Furthermore, research suggests that vigorous exercise can deplete L-glutamine levels in the blood significantly for up to six hours after the fact, making it a prudent supplement for athletes and active individuals.1 L-Glutamine is also necessary for proper protein and glycogen synthesis, both of which are imperative for active individuals.

L-Glutamine is also well-known to play a role in the gut, especially for encouraging healthy digestive function and intestinal wall integrity.2Moreover, when L-glutamine levels are depleted by exhaustive exercise (or stress), your immune system is readily suppressed;3 in turn, this leaves the body in a vulnerable state and prone to infection.

Benefits of Pure Nutrition L-Glutamine Powder Supplementation

Given the importance of adequate amounts of L-glutamine in the diet, athletes, active individuals, and bodybuilders may stand to benefit from L-glutamine supplementation. Remember, L-glutamine is a conditionally essential amino acid and deficiency is more likely to occur if you train intensely (and for long periods of time). In such circumstances, L-glutamine supplementation can:

  • Support healthy immune function
  • Promote gastrointestinal integrity and digestion
  • Support proper neurotransmitter production
  • Help maintain protein and glycogen synthesis in the body

L-Glutamine Dosing Recommendations and Uses

Each serving of Pure Nutrition L-Glutamine Powder provides 5 grams of Kyowa Quality fermented L-glutamine, ensuring you get only the purest, most effective form of L-glutamine available. 5 grams of L-glutamine is typically thought of as a baseline dose, with some people taking up to 15g at a time. Based on research, it seems that 5g to 10g of L-glutamine taken during/after training and with meals is more than sufficient.

Realistically, the main benefit of L-Glutamine for athletes and bodybuilders is its role in the GI tract and supporting digestion. Given that active individuals tend to eat more than sedentary individuals, healthy digestion is crucial for maximizing nutrient absorption.

L-glutamine would make for a solid amino acid supplement if you prefer to do fasted cardio as well, since it is readily used for gluconeogenesis in the liver. Essentially, L-glutamine would help spare muscle loss from fasted cardio while not blunting the fat loss process (by inhibiting AMPk).


Serving Size 5 g (1 teaspoon )
Servings 50
Calories 21 kcal
L-Glutamine 5000 mg


1.  Keast, D., Arstein, D., Harper, W., Fry, R. W., & Morton, A. R. (1995). Depression of plasma glutamine concentration after exercise stress and its possible influence on the immune system. The Medical journal of Australia, 162(1), 15-18.

2.  Elia, M., & Lunn, P. G. (1997). The use of glutamine in the treatment of gastrointestinal disorders in man. Nutrition, 13(7), 743-747.

3.  Calder, P. C., & Yaqoob, P. (1999). Glutamine and the immune system. Amino acids, 17(3), 227-241..



Nutrition Facts
Amount Per Serving
% Daily Value*
* Percent Daily Values are based on a 2000 calorie diet.

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.

Note: Manufacturers continually change product specifications. We try our best to keep product descriptions up to date . We are not responsible for incorrect or outdated product descriptions and/or images.

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