Vitamin C
Sterility is another issue since many take BPC-157 by injection, any contamination in the preparation could cause infections or other reactions
References: Witschi A, Reddy S, Stofer B, Lauterburg BH
Topical GHK-Cu Peptides: Deep Benefits for Skin Health Topical GHK-Cu peptides offer a wide spectrum of benefits that address aging, environmental damage, inflammation, discoloration, and loss of firmness
Are there any side effects associated with glutathione supplementation
Visible changes in brightness and evenness of skin tone may take several weeks to months, depending on baseline pigmentation, dose, route of administration, and adherence to sun protection. Results are often subtle and natural-looking, and ongoing maintenance may be required to sustain benefits, especially in individuals with high sun exposure