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12 Knight notes that her patients often report firmer skin and better elasticity, which she says aligns with the role of growth hormone and IGF-1 in supporting collagen synthesis, protein turnover, and cellular repair. Other Possible Benefits Some studies have suggested that semorelin helps with fatty liver disease, though findings remain inconsistent and are often based on small or HIV-specific populations

Vitamin C

Appiah-Opong R et al

While Vitamin C is a potent immunity enhancer, it is also known to improve collagen synthesis in the body

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doi: 10.1186/s12870-020-02655-2 57 WuW.ZhuS.XuL.ZhuL.WangD.LiuY.et al