Collagen and gelatin are rich glycine sources; bone broth, slow-cooked meats, and skinless and boneless poultry are the most reliable dietary sources. It is a structural amino acid necessary for fetal DNA and collagen synthesis, and it helps the mother's body grow and adapt to pregnancy. Animal bones, skin, and connective tissue are rich in protein, gelatin, collagen, glycine, and minerals. Therefore, a multi-collagen supplement in [End]
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