To put this in perspective, this dose is thousands of times higher than typical human protocols on a weight-adjusted basis
Why B12 matters: B12 plays a critical role in red blood cell formation, DNA synthesis, and nerve function
shipping for 365 days
Keep them in the back of the fridge where temperatures are most stable, not in the door where temperature fluctuates every time you open it

Stable Bulk Supply Advantages Annual production capacity: 500kg 99% pure GHK-Cu powder, custom liquid batches available Regular spot inventory: 50kg standard pure powder, pre-made 0.1%/1% stock solutions Custom concentration, solvent (water/glycerin/butylene glycol) and preservative systems 3~7 working days fast delivery for standard orders, 7-14 days for custom formulations Batch COA & SDS Full Documents ISO22716 / GMP Cosmetic Good Manufacturing Practice CosIng EU cosmetic raw material compliance, FDA cosmetic ingredient compliance HALAL & KOSHER global religious export certification Third-party cosmetic safety testing & permanent batch traceability REACH, CPNPF & regional cosmetic filing support documents 6 Core Competitive Advantages of Our GHK-Cu Copper Peptide High Purity Stable Chelate 99% HPLC verified GHK-Cu, complete copper chelation, consistent blue color, minimal free copper ions, no color shift, reliable long-term formulation stability