Copper is an essential trace mineral involved in: Collagen cross-linking Angiogenesis Energy metabolism Immune function Copper enhances GHKs ability to stimulate healing and repair , something non-copper peptides lack
Vitamin B12 Supplementation in Diabetic Neuropathy: A 1-Year, Randomized, Double-Blind, Placebo-Controlled Trial
Instability, stabilization, and formulation of liquid protein pharmaceuticals
Typically, those on a vegan diet or suffer from a health condition such as malabsorption benefit greatly from Vitamin B12 injections, as they find it difficult to reach the recommended dietary allowance
One of them is where you come from, and another one is if you require an expert to administer the injection or if you'll do it yourself
Source: PubMed The human tri-peptide GHK and tissue remodeling PubMed Study on synergy of GHK-Cu with hyaluronic acid promoting collagen in skin models