Jarrow Formulas L-Glutamine Powder delivers pure, unflavoured L-glutamine — a conditionally essential amino acid and one of the most abundant found naturally in the body. Produced via microbial fermentation, this 1,000 g tub provides a straightforward single-ingredient formula with no fillers or additives, making it easy to mix into water, juice, or a post-workout shake.
Each half-teaspoon serving supplies 2 g of L-glutamine, giving a generous amount of flexibility in how and when it’s used. The fine powder dissolves readily in liquid, and its neutral taste means it won’t alter the flavour of whatever it’s added to.
With 1,000 g per tub, this format suits those who use L-glutamine regularly as part of a structured training programme — particularly strength athletes, bodybuilders, and endurance-focused individuals who want a reliable, unflavoured amino acid powder from an established US supplement brand.




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