Anyone who\'s serious about their training programme will enjoy using a premium Glutamine powder. Each serving of Ultra-Pure L-Glutamine from ESN is packed with 5g of the naturally occurring amino acid. The most abundant amino acid found in muscle tissue, the body\'s need for glutamine is increased during periods of training - hence its popularity in sports nutrition. Ultra-Pure L-Glutamine from ESN is unflavoured so you can decide whether to mix with water or add to your favourite protein shake, drink or smoothie. Anyone who\'s serious about their training programme will enjoy using a premium Glutamine powder. Each serving of Ultra-Pure L-Glutamine from ESN is packed with 5g of the naturally occurring amino acid. Ultra-Pure L-Glutamine from ESN is unflavoured so you can decide whether to mix with water or add to your favourite protein shake, drink or smoothie. Naturally occurring free form amino acid. 5g of glutamine per serving. Unflavoured so you can use in shakes, drinks or smoothies. Available in 500g pouch Amino acids are the building blocks of protein and glutamine is the most abundant amino acid found in muscle tissue - hence its popularity in sports nutrition. The body\'s need for glutamine is also increased during training. Ultra-Pure L-Glutamine offers an easy way to add some extra glutamine into your diet. Increase your glutamine levels with Ultra-Pure L-Glutamine from ESN. Read more about this popular supplement!