Not for human consumption, veterinary use, or clinical application
Kennedy Jrs push to make more of them available from specialized pharmacies
Furthermore, visceral adipose tissue mass has been inversely correlated with circulating IGF-1 levels [216]
however, people are starting to see the benefits of B12 shots and use them as a treatment for fatigue and to improve their metabolism
The compound appears to have linear kinetic behavior in mouse plasma with a half-life of 5.7 h

Common side effects (minimal) Most people: No side effects GHK-Cu extremely well-tolerated Natural peptide (found in body) Minimal adverse effects Possible minor effects: Injection site stinging (common, harmless) Minor bruising at injection sites Slight blue tint to injection site (copper, temporary) Mild headache (rare) Managing side effects: Stinging: Inject slowly, warm peptide to room temp Bruising: Rotate sites, proper technique Blue tint: Normal, fades within days Headache: Hydrate well, reduce dose Contraindications and cautions Avoid if: Pregnancy or breastfeeding (no data) Active cancer (theoretical copper concerns) Wilson's disease (copper metabolism disorder) Hemochromatosis (iron overload, copper caution) Use caution with: Copper supplements (avoid taking both) High copper foods (monitor intake) Liver disease (copper metabolism) Generally safe for: All ages (adults) Men and women Long-term use Most health conditions Copper toxicity concerns Is copper in GHK-Cu dangerous