Lysiak W, Lilly K, DiLisa F, Toth PP, Bieber LL (enero de 1988)
[4] Treatment Areas Skin, Hair, and Body Applications Institute BCN products support professional protocols across the face, scalp, body, and periorbital area
However, in rare casessuch as patients with kidney disease or specific hereditary disorders related to vitamin B12 metabolismhigh doses or inappropriate use could potentially cause complications
10.1038/s42003-020-01165-z 85 KolasinskiS
Approximately one year later, he experienced a severe worsening of his previously very mild neuropathy, and lab evaluation yielded a serum B12 of 220 pmol/l (which is normal, remember!?), but an elevated serum MMA of 1300 nmol/l, supporting the existence of true B12 deficiency