GHK Cu Copper Peptide Therapy Aging in reverse era continues Ive worked with @yourvytalhealth for years to optimize my hormones and overall wellness and now Im taking it a step further with medical grade GHK Cu copper 7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. 7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening.