Patients who have early Leber's disease (hereditary optic nerve atrophy) have been found to suffer severe and swift optic atrophy when treated with vitamin B12
Theoretical and route-specific risks FDA's 2024 review specifically flagged that no published human exposure data exists for the subcutaneous, transdermal, or intranasal routes that compounding pharmacies have offered
Battula VL, Shi Y, Evans K, R-Y W, Spaeth EL, Jacamo R, Guerra R, Sahin A, Marini F, Mani S, Andreeff M
GHK-Cu peptide is a copper-binding peptide complex supplied for laboratory research in metallopeptide interactions and binding studies
Bioavailability and antioxidant activity of some food supplements in men and women using the d-roms test as a marker of oxidative stress