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Collagen peptides Recommended for competitive bodybuilders or powerlifters Pros Evidence for increasing muscle mass and strength in combination with resistance training No serious side effects in people who arent allergic Not prohibited by the World Anti-Doping Agency Normally doesnt require subcutaneous injection Readily available over-the-counter Cons Unknown how collagen compares to other peptides for muscle growth and injury recovery Typically not vegetarian- or vegan-friendly Collagen peptides are unique among our recommendations because: They arent prohibited by the World Anti-Doping Agency.39 They pose no risk of serious side effects in people who arent allergic.6 Theyre bioavailable via oral administration.12 You dont need a prescription to get them

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Studies began to unveil its efficacy in promoting healing and tissue repair in various other systems of the body, including musculoskeletal, cardiovascular, and nervous systems