It can be caused by not getting enough of this vitamin through your diet, problems with absorbing it, or taking a medication that interferes with its absorption
Vitamin B12 is an essential water-soluble vitamin that plays a key role in red blood cell production, metabolism, and the functioning of the nervous system
Vitamin B12: Foods that are naturally rich in this vitamin Foods rich in vitamin B12 include animal-based sources like meat, fish, poultry, eggs, and dairy
The 5mg format provides researchers with a practical quantity of material suitable for multiple laboratory applications while supporting accurate measurement, handling, and experimental consistency
However my body reacted badly to Cobalamin H as also hydroxcobalamin but a different additive
For a deeper comparison, see Peptide Mind's bacteriostatic water guide