Chondroitin ® Powder is a flagship product under the brand of Preserve. The core product efficacy ingredient is egg membrane peptides, small molecules extracted from eggshell membranes.It is rich in non-deformed collagen, amino acids, low-polypeptides and functional sugars, which are combined with the components needed for cartilage tissue repair such as chondroitin, homocysteine, and ammonia, and added dimethylthione, a component that reduces joint pain and oxidative inflammation.