Certain injectable nutrients (such as cyanocobalamin/methylcobalamin for vitamin B12 deficiency) are FDA-approved for specific indications
Glutathione is a tripeptide that acts as a potent intracellular antioxidant
But if Im not with chemists, Im not going to do that, because I want to be polite! Nina Notman is a science writer based in Salisbury, UK
10.1371/journal.pone.0226584 87 LaiZ.LiC.MaH.HuaS.LiuZ.HuangS.et al (2023)
Glutathione analogue sorbents selectively bind glutathione S-transferase isoenzymes [PMID: 8503872] Laboratory literature summary: Glutathione analogue sorbents selectively bind glutathione S-transferase isoenzymes
GHK-Cu offers significant benefits for the skin, including stimulating collagen production, improving skin elasticity, reducing wrinkles, and accelerating wound healing