Buyer Beware: Most Collagen Supplements Sourced From CAFOs (Concentrated Animal Feeding Operations)
Dull, wrinkled, sagging skin and dry, brittle hair and nails — all of these are signs of aging, which in large part can be attributed to the loss of collagen that occurs naturally with age. Collagen is the most common and abundant of your body's proteins, comprising about 25% of the total protein in your body, and up to 80% of your skin, in terms of dry weight. 1 It's found specifically in the connective tissues throughout your body, from your muscles, bones and tendons to your blood vessels and digestive system. As a compound of essential amino acids, there's only one way to get collagen; your body can't produce it, so you must obtain it through your diet. Most people, however, will simply reach for a collagen supplement rather than boiling down chicken feet or beef bones for a homemade collagen-rich broth. But what are you really getting in these supplements? Laboratory testing stirred up controversy with popular collagen and bone broth product...