Big Nature Collagen is a dietary supplement suitable for use as a supplement to the daily diet of adults. The formula contains bovine type I collagen . Properties of collagen Collagen is a structural protein that forms the basic building block of connective tissue in the body. It is found in skin, tendons, and cartilage, among other tissues. With age, the body's natural collagen production gradually declines, affecting the structure and appearance of tissues. Collagen levels can be supplemented with carefully selected dietary supplements. A daily serving of Big Nature provides the body with 3,200 mg of type I collagen. The package contains 120 tablets containing bovine collagen.