iHerb.com - Customer Questions & Answers
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iHerb Customer
Sep 29, 2020
what is the source of the hydrolyzed collagens Types 1 and 3?
iHerb Customer
Sep 29, 2020
Best Answer
These types are produced by fibroblasts (cells in connective tissues) and osteoblasts (cells that make bones). Over 90 percent of collagen in the body is comprised of Type 1 & 3 Collagen. Proteins in these types include glycine, proline, alanine, and hydroxyproline
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