Both are dominated by dose-related gastrointestinal effects (nausea, diarrhea, constipation)
Because GHK-Cu works by remodeling the structure of your skin (collagen and elastin), this is a marathon, not a sprint
Versus other regeneratives: Versus BPC-157 (15 AA, dose 500 mcg-1 mg): BPC-157 is mostly oriented towards gastro-protection, tendon and vascular regeneration (angiogenesis via VEGF, nitric oxide pathway)
Some users benefit from over-the-counter antiemetics like dimenhydrinate or meclizine taken prophylactically before injections
Minor variation in vial duration is normal and does not affect results
Key measured outcomes in that trial format include: percent change in body weight over the protocol window waist circumference and other anthropometric measures adverse events and discontinuations These are the exact measurements that make the literature readable and non vague