87,88,89 Results from studies on whether B12 can improve sleepwake rhythm have been mixed
They work well but differ in how they might suit patients
The recommended daily intake in the UK is 1.5 micrograms for adults , according to NHS guidance
It is worth being honest about one thing: B12, as hydroxocobalamin, is a prescription-only medicine in the UK
(e) cross-sectional studies with no time restriction, (f) only studies published in English were included due to resource limitations and to ensure accuracy in data extraction and risk-of-bias assessment
DOI: 10.1158/1055-9965.EPI-17-1136 Morales-Gutierrez J et al, "Toxicity induced by multiple high doses of vitamin B 12 during pernicious anemia treatment: a case report." Clinical Toxicology, Feb