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What you need to Before & After Taking GHK-Cu GHK-Cu has been studied since its discovery in 1973, but specific "before and after" studies aren't widely documented

Firming & Smoothing: Copper Tripeptide-1 and Acetyl Hexapeptide-8 support natural collagen and elastin production, helping skin look firmer while smoothing the appearance of fine lines

Sip water through a straw if nausea makes drinking difficult, since the smaller volumes per swallow are easier to keep down

B12 supplements should be avoided by those with known cobalt sensitivity and used with caution in people with Leber's hereditary optic neuropathy

Why does the blend matter if the components are available separately