Many athletes need extra L-glutamine. L-glutamine is a proteinogenic amino acid, which makes up about 60% of muscle substance. That's why it plays such an important role.
Inferior L-glutamine is often extracted from duck feathers or human hair. We are strongly opposed to this process and only use pure plant-based sources. Depending on the season, we ferment our L-glutamine from corn, sugar cane molasses or peas. The capsule shells are also made from renewable, plant-based cellulose and are 100% vegan.