| Product Description: Supplement Free Type Non-GMO Certified Suitable for Vegetarians and Vegans l-Glutamine, a free amino acid, can be converted to glutamic acid. Glutamate can be used as an energy source by the brain and is a precursor to GABA (gamma-aminobutyric acid), an important inhibitory neurotransmitter. l-Glutamine also plays an important role in ammonia excretion. Directions for use: Take 1/4 teaspoon (approximately 1 g) to 1/2 teaspoon (approximately 2 g) daily between meals. ingredients: Free from: yeast, dairy, egg, gluten, soy, wheat sugar, starch, salt, preservatives, artificial colors, artificial flavors, artificial flavors. Precautions: Note: If you may become pregnant, are … | Price from £9.40 up to £34.34 Compare prices and buy Source Naturals , L-Glutamine, Free Foam Powder, 3.53 oz (100 g) Compare prices2→ |