A little on Brendans point about cancer and all that, you are correct, I would imagine
Cosmetic Hair Quality Some users report: Improved hair texture Reduced breakage Better scalp quality Healthier-looking hair However, it is important to understand that research is still evolving, and responses may vary
Enhanced Metabolism and Weight Management Vitamin B12 supports the bodys metabolic processes, helping to break down fats, proteins, and carbohydrates more efficiently
Next, Cys58 nucleophilically attacks the sulfide of Cys58, releasing a GS- anion, which picks up a solvent proton and is released from the enzyme, forming the second GSH
Biotin participates in keratin synthesis
10.1016/j.mad.2014.01.004 Mech Ageing Dev