In the UK, polypharmacy of GH and AAS is increasing as production costs decrease with one third of AAS users reportedly also using GH (Hope, McVeigh, Marongiu et al., 2013, McVeigh and Begley, 2017)
Treatment is typically lifelong for patients with pernicious anaemia or irreversible malabsorption conditions
New therapeutic targets in chronic kidney disease progression and renal fibrosis
On a deeper level, it seems that vitamin B12's relationship with hair loss or hair growth seems to stem from its necessary function for "DNA synthesis, neurological function, and red blood cell formation," which are all important factors in helping hair cells generate, as well as keeping hair follicles, the base of the hair on the scalp, oxygenated and fed with enough nutrients from digestion as explained further below