The well-known geriatrician-haematologist Larry Solomon, working at Yale University in the USA, wrote 20 years ago: if I had treated only those people who actually had too low serum B12 and elevated MMA values, then I would not have treated approximately two-thirds of the people with a favourable response to B12 supplementation (note: partly via injections, partly via oral supplementation)
Tani J, Morishita A, Sakamoto T, et al
Keto Rash (Prurigo Pigmentosa)
10.1016/j.aimed.2020.07.006 Adv Integr Med
For areas with substantial fat like the abdomen in most adults, insert at 90 degrees straight down
Effect of PA on serum iron level and TIBC Compared to the control group, mice treated with APAP exhibited an increased level of serum iron and a decreased TIBC level ( p 0.001)