Collagen Handbook

An authoritative, illustrated, and easy-to-follow guide to collagen and how it can enhance your health—from rejuvenating hair and skin to treating bones and joints. 

Collagen, in the form of supplements and additives, and in natural sources, has become one of today’s most popular paths to wellness. But what exactly is collagen, how is it produced, and how can you incorporate it into your diet? Th...