The FDA started cracking down on peptides in 2024 and 2025, sending warning letters to dozens of clinics, pharmacies, and websiteseven the ones saying "research only." The heat is only rising
With that being said, if you're combining copper peptides with a skincare regimen with vitamin C, you may want to stagger the application days or wait at least 15 minutes in between your vitamin C application to make sure you get the most from both compounds
Form: Lyophilized White Powder
Centella also carries a nice supporting cast of Vitamin A, vitamin C, several B vitamins, and amino acids
Athletes: Your body loses iron during heavy training periods through sweating, running, and gastrointestinal bleeding that can sometimes follow intense workouts
Goliath