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This is especially true if someone has already been diagnosed with vitamin B12 deficiency, which is most likely to affect vegetarians/vegans, older adults and people with malabsorption issues due to underlying health conditions
For the broader pipeline context around these compounds, see our investigational peptide drugs for diabetes and obesity reviews 2019-2026 guide
GI, gastrointestinal
Daily BPC-157 (10 g, 10 ng, or 10 pg per kg body weight) was administered starting 30 minutes post-surgery
Quick Takeaways Start with 0.5-1% topical GHK-Cu serum applied once daily to the scalp or skin, NOT injectables Expect 3-6 months for visible improvements in hair thickness and 4-8 weeks for initial skin changes GHK-Cu works by activating tissue remodeling genes and stimulating collagen synthesis through specific copper-dependent pathways This is a long-term protocol requiring continuous use, and should not be regarded as a quick fix What GHK-Cu Actually Does (And Why Dosing Matters) Glycyl-L-histidyl-L-lysine-copper(II) is a naturally occurring copper peptide whose production declines dramatically as you age
