Stomach acid drops with age, intrinsic factor production drops with it, and dietary B12 absorption follows
This pathway, known to influence cell proliferation, adhesion, and differentiation, is frequently deregulated in carcinogenesis
Tissue-remodeling research
Hou Y, Dan X, Babbar M, Wei Y, Hasselbalch SG, Croteau DL, Bohr VA (2019) Ageing as a risk factor for neurodegenerative disease
Biosynthesis, distribution, nutritional and organoleptic properties of bitter compounds in fruit and vegetables
Well break down how they differ biologically, what head-to-head studies really show about regrowth and side effects, and how oral versus topical use changes the equation, so you can make a more informed decision about which option makes sense for your hair loss and your goals