If your B12 levels are already in the normal range, taking extra B12 on its own is unlikely to produce visible hair changes
The deeper I dug into the science, the clearer the picture became: menopause is a metabolic tipping point, and hormone decline is not neutral
Some people feel less hungry, others struggle with nausea or food aversions, and many find themselves unintentionally under-eating protein and key nutrients
Further studies showed that berberine enhanced the activities of glutathione peroxidase, glutathione, superoxide dismutase, and catalase, further reducing the activity of acetylcholinesterase and caspase-3, protein carbonyl, and DNA fragmentation in the hippocampus (Sadraie et al., 2019)
Nat Rev Cancer 2:683693 Oh JR, Song HC, Chong A et al (2010) Impact of medication discontinuation on increased intestinal FDG accumulation in diabetic patients treated with metformin
10.1016/bs.pbr.2019.03.001 Prog