- High-quality marine source hydrolysed collagen - The primary structural protein in the body - Delivers 400mg of Type 1 Collagen - Hydrolysed and in a rapid-release capsule for maximum absorption Often added to cosmetics, Collagen is the main structural protein found in connective tissue and is the most abundant protein in the human body. It is regarded as a key building block of the human body and is used in the formation and support of bones, cartilage, ligaments, tendons and other key strength-giving components. Lindens Collagen 400mg Capsules each contain 400mg of hydrolysed marine protein. The process of hydrolysis breaks down the collagen into smaller chains, for easier absorption in the gut, which when encapsulated in our easy-swallow, rapid-release capsule makes for a fantastic product