glutathione and melanin Modulating skin colour: role of the thioredoxin systems in regulating melanogenesis Glutathione as a skin‐lightening agent
Description
Glutathione and Vitamin C Serum helps reduce pigmentation, dark spots, and uneven tone while improving overall glow

In addition, niacin helps with brain function, healthy skin formation and maintenance and even preventing or treating diabetes

Biochem Pharmacol 2000
Free Radic Biol Med 175:236248 He Z, Shen P, Feng L, Hao H, He Y, Fan G et al (2022) Cadmium induces liver dysfunction and ferroptosis through the endoplasmic stress-ferritinophagy axis
Some are, including GLP-1 receptor agonists (semaglutide, tirzepatide), insulin, and a range of hormone-based therapeutics
