BOOSTS IMMUNE HEALTH: Vitamin C is a highly effective antioxidant, due to its ability to donate electrons, thus protecting important biomolecules from damage by oxidants generated by free radicals
The FDA does not require pre-market approval for dietary supplements, which means you need to choose science-backed formulas from manufacturers with third-party testing look for NSF, USP, or Informed Sport certification
C., Mui, L
Pregnancy and lactation safety has not been systematically studied, and as with most cosmetic and research compounds lacking definitive pregnancy safety data, conservative practice typically suggests avoiding use during pregnancy unless clearly needed, though the natural occurrence of GHK-Cu in the body and minimal systemic absorption from topical use suggest risk is likely to be low
3 Endocrine dysfunction, including goiter, hypothyroidism, and calcium metabolism abnormalities, has occasionally been documented