Technical Data Sheet
Vitamin B12
Also Known As: Methylcobalamin, Cyanocobalamin, Cobalamin, Hydroxocobalamin, Adenosylcobalamin, B12, Vitamin B-12, Mecobalamin, MeCbl, CNCbl, Cobamamide, Methylcobalamin injection, B12 shot, B12 injection, Cobalamin B12, Neurological vitamin B12, Energy vitamin B12, cobalamin
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| Evidence Tier | Approved Drug |
|---|---|
| Category | Immunity & Wellness |
| Class | Water-soluble vitamin B12 (cobalamin); essential coenzyme for methylation and myelin synthesis |
| Molecular Target | Methionine synthase (methylcobalamin form); methylmalonyl-CoA mutase (adenosylcobalamin form); DNA synthesis; myelin basic protein maintenance |
| Sequence | corrinoid |
| Molecular Weight | ~1355 Da (cyanocobalamin) |
| CAS | 68-19-9 (cyano); 13422-55-4 (methyl) |
| Parent | Cobalamin |
| Mechanism | It provides a missing piece that your cells need to copy DNA and create red blood cells. Without it, the body's energy factory stalls out. |
| Studied For | Vitamin B12 deficiency / pernicious anemia, Megaloblastic anemia, Peripheral neuropathy support, Neurological disease (subacute combined degeneration), Cognitive decline / dementia prevention, Homocysteine reduction, Cardiovascular risk via homocysteine, Fatigue and energy restoration, Methylation pathway support, Immune function support, Pregnancy (neural tube prevention), Vegan/vegetarian supplementation, Methyl donor coenzyme, DNA synthesis support, Myelin sheath maintenance, energy boost, nerve health, metabolism, red blood cell production, fatigue, neuropathy |
| Administration Route | Injection Only |
| Form | solution or lyophilized |
| Diluent | saline-compatible |
| Storage Temperature | refrigerate, dark |
| Light Sensitive | Yes |
| Freeze / Thaw | avoid |
| Reconstituted Shelf Life | 30 Days |
| Handling Notes | Intensely light-sensitive (methylcobalamin especially). |
| Regulatory | FDA-approved prescription/OTC drug; also a supplement. |
| Sources |