Schnabel RB, Yin X, Gona P, Larson MG, Beiser AS, McManus DD, et al
Somewhere around 1000 mcg of oral vitamin B12 supplement should be enough to treat vitamin B12 deficiency, even in the case of those who do not consume animal foods or lack the intrinsic protein factor or the ability to produce protein intrinsic factor
If particles or persistent cloudiness remain after 30-60 minutes, revisit solvent choice (see table below) or consider gentle warming (to ~25 C) while avoiding heat
Vano-Galvan S, Hermosa-Gelbard A, Sanchez-Neila N, Miguel-Gomez L, Saceda-Corralo D, Rodrigues-Barata R, Jaen P (2016) Treatment of recalcitrant adult alopecia areata universalis with oral azathioprine
Gut health patients often notice improvement within 7 to 14 days