FDA Guidelines: The FDA enforces rigorous quality controls and labeling requirements for BWFI products
As for the two methods by which GHK-Cu may be administered: GHK-Cu cream side effects Researchers have not attributed any side effects to topical GHK-Cu formulas tested to date, and all available research shows that the peptide is non-toxic and a non-irritant when applied directly to the skin [5]
What you are likely seeing is purging, a reaction to the wrong concentration, a bad product pairing, or a genuine sensitivity
Any weight loss likely results from concurrent dietary modifications rather than the injections themselves
W., Volk, H., Caruso, D., Hironaka, L., Sices, L., et al