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Without it, your body cannot effectively turn those collagen peptides into stable, strong fibers in your skin and joints
Jin Z, Yang Y, Cao Y, Wen Q, Xi Y, Cheng J, et al
and is not FDA-approved for any human application
If your blood levels of growth hormone are too high by virtue of injecting growth hormone, well then the pituitary can register that and the brain can register that, and then there's a negative feedback that shuts down growth hormone
doi: 10.1016/j.freeradbiomed.2020.12.017 219 WaltherBKarlJPBoothSLBoyavalP
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