Functional vitamin B 12 deficiency and determination of holotranscobalamin in populations at risk
The cyanide (prussic acid) in cyanocobalamin in supplements is generally not dangerous for the consumer
recommended daily allowance (RDA) is: 2.4 micrograms (mcg) per day Certain groups may require higher intake, including: Pregnant women: 2.6 mcg daily Breastfeeding women: 2.8 mcg daily Older adults Vegetarians and vegans Individuals with absorption issues 500 mcg to 5000 mcg , which is significantly higher than the RDA but still generally considered safe when medically supervised
Vitamin B12 Injection Dosage Guidelines by Administration Route Vitamin B12 injections have different dosages based on how they are given
The Phase 1 clinical trial was discontinued without published results
Walker, K., Gogoj, A., Honig, S., Sandlow, J