Research & Development Essential Series America's #1 Selling - Bodybuilding Supplement Brand ‡ 5000 mg Pure Glutamine HPLC-Tested Ultra Pure Replenish Plasma Glutamine 60 Servings5 g PureGuaranteed Banned Substance Free Dietary Supplement#1 Most Award Winning Sports Nutrition Brand22 Years of ExcellencecGMP Manufactured#1 Most Clinically Studied in Science‡MuscleTech is America's #1 Selling Bodybuilding Supplement Brand based on cumulative wholesale dollar sales 2001 to present.Superior Science. Superior ResultsMuscleTech Essential Series delivers all your favorite ingredients and products with best science, taste and value. Essential Series product are staples for every athlete, with no frills and no fillers - just products you can trust backed by the best brand in sports nutrition!Many supplement companies don't fully disclose their ingredients. They also don't invest in science, research or quality control. At MuscleTech, a portion of every dollar spent on supplements is allocated towards funding scientific research. This means you can trust Essential Series for superior quality and results, as in the MuscleTech promise.Ultra-Pure Micronized GlutaminePlatinum 100% Glutamine supplies 5 g of glutamine per serving, which works to rapidly replenish the glutamine used during training. Glutamine is the most abundant, conditionally essential free amino acid in your body - more than 20% of the total circulating amino acids in your body are glutamine. Your muscle are especially high in glutamine, making it extremely important for muscle metabolism. When you're training hard, your muscles can lose up to 50% of their glutamine stores, so you need to replace them -fast!Replenish Plasma GlutamineGlutamine plays an important role in muscle protein synthesis and also helps support increase cell volume and glycogen replenishment. Platinum 100% Glutamine is perfectly tasteless and odorless and mixes effortlessly on its own or into any other product you're already using. This non-stimulant formula stacks perfectly and can be used day or night.