Youtheory - Collagen Powder Advanced Formula Vanilla - 10 oz. Youtheory Collagen Powder Advanced Formula Vanilla has collagen peptides which are usually referred to a group of short chain proteins of less than 40 amino acids, which in turn are the essential constituents of living cells, required for the structure, function, growth and repair of living cells, tissues and organs. These shorter chains (or peptides) are said to be better absorbed by entering faster and more efficiently into our systems; and in the presence of certain organic substances like Vitamin A, Vitamin C and Vitamin E (Vitamin C being a vital cofactor in collagen formation) and in the presence also of a few other minerals like Copper and Silica, increases the availability to form new collagen getting better results in the aid of repairing and promoting skin, hair, nails, bones, cartilages, ligaments, tendons and connective tissues.