Obviously, as indicated (Sikiric et al., 2018), there is an inescapable diversity of the carriers and thereby, an evident diversity of the obtained beneficial effects, and disable conclusion
Peptides, PRP, and topical scalp treatments may help maintain stronger, healthier follicles
For people with normal B12 levels, the effect is much less clear, and wed rather tell you that honestly than oversell it
K., Al-Rubaye, H
Various subcortical networks communicate with the mPFC, including the amygdala (responsible for emotional processing), the NAc (responsible for social incentive), and the hypothalamus (responsible for stress regulation)
So hopefully that description clarifies some of what you've heard out there