Numerous chronic diseases cancer, fibromyalgia, heart disease, autoimmune disorders, chronic fatigue syndrome, and gastrointestinal disorders, among others have been linked to low glutathione levels
Nevertheless, use of metformin may decrease vitamin B 12 status: a meta-analysis of four short-term intervention trials (up to 4 months duration) in patients with type 2 diabetes found that metformin use decreased serum cobalamin concentrations by 57 pmol/L, which could have clinical implications if such patients have suboptimal vitamin B 12 status (146)
It is widely associated with skin repair, collagen support, and overall skin rejuvenation
Human data is early but promising
Applying it to your hair strands delivers zero follicle benefit