MariGold L-Glutamine is non-GMO Project Verified and is made with advanced fermentation and purification technology to produce the highest quality Glutamine. What makes MariGold L-Glutamine a premium quality choice for your body? Our L-Glutamine powder is 100% pure. This means we don't use any other ingredients, fillers, or additives. It's non-GMO, gluten-free, soy-free, lactose-free, and allergen-free. It's made without sweeteners or sugars and contains no artificial flavors or colors. It also is made with absolutely NO preservatives, corn, celery, wheat, grains, nuts, soy, preservatives, glutens, fish and shellfish, egg, mustard, seeds, dairy, artificial flavors or colors, mollusk. If you're looking for a clean, extremely beneficial L-Glutamine powder supplement that is super easy to take, then MariGold L-Glutamine won't let you down! ** Manufactured in a facility that processes peanuts, tree nuts, and milk. **