Vitamin B12 Pills vs Capsules vs Injections Vitamin B12 supplements can be divided into two main groups: Injections Oral supplements (capsules, tablets, drops, spray) Injections In regular cases, oral supplements are completely sufficient
If your B12 levels are low, its probable that you arent getting enough through your diet or your body has trouble absorbing it
10.1016/s0149-2918(03)90096-8 7 BorM
It is provided for research applications such as analytical verification, assay development, and characterization studies
The vitamin is a cofactor for methionine synthase, which catalyzes the conversion of homocysteine to methioninerequired for the formation of S-adenosylmethionine, a universal methyl donor for almost 100 substrates, including DNA, RNA, hormones, proteins, and lipids
While definitive conclusions are premature, the assumption that unlimited B12 is harmless deserves ongoing scrutiny