ghk cu tolerance or diminishing returns GHK-CU Making Skin Worse: Complete Troubleshooting Guide GHK-Cu Copper Peptide Regeneration Review
Description
Copper deficiency reduced the life span of rats by 73%, and Viestenz and Klevay (117) also reported that dietary copper deficiency led to ECG abnormalities in rats
Others stop immediately without issues
5 stars
Nature Medicine, 14 (5), 504506
