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Do Collagen Supplements Work for Skin Aging? [Video]

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Below is an approximation of this video’s audio content. To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring, watch the above video.

Collagen supplements have become quite the trendy treatment for aging skin, available in an array of pills, powders, and products, from bars and gummies to collagen coffee and beer. Social media is said to be “inundated with paid ads marketing unsubstantiated claims.” What claims, if any, can be substantiated?

The word collagen comes from the Greek kola, meaning “gum,” and gen, meaning “producing.” Its gelling nature is exemplified by Jell-O gelatin (which is basically just cooked collagen).

It is our most abundant protein, and the main structural component of most of the tissues in our body. For example, up to three quarters of our skin by weight may be pure collagen. There are actually dozens of different types, but they all share a characteristic triple helix configuration of coiled subunits. …

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