Pure Difference: All Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts, peanuts, gluten, artificial colours, flavours, sweeteners, coatings and shellacs, GMOs, unnecessary binders, fillers and preservatives. Pure Quality: Our l-glutamine capsules are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity. 30 - 90 Days of Supply: The recommended dosage of this L-Glutamine supplement is 1 capsule, 1–3 times daily, between meals, or as directed by a healthcare professional. Health Support: Highly bioavailable l-glutamine contributes to a wide range of health functions. Active Ingredients: Features pure glutamine, the most abundant amino acid in the body and requirements may be higher in times of increased metabolic demand.