Vitamin B12 for Energy in replete people and Vitamin B12
Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.
Evidence brief
Vitamin B12 for Energy in replete people
Evidence grade D — No effect without deficiency
Grade D1 graded outcomerevised Jul 10, 2026
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
Compound or practice
Vitamin B12
Non-negotiable for plant-based diets and older adults — deficiency is quiet until it's neurological.
Grade A3 graded outcomesrevised Jul 10, 2026
A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.
Graded in both
Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.
| Outcome | Vitamin B12 for Energy in replete people | Vitamin B12 |
|---|---|---|
| Energy in replete people | Evidence grade DTrivial effecthighNo effect without deficiency | Evidence grade DTrivial effecthighNo effect without deficiency |
Graded only in Vitamin B12 for Energy in replete people
None — every outcome it grades is graded in both.
Graded only in Vitamin B12
- Correcting deficiency / anemia Large effectEvidence grade A
- Neuropathy (early deficiency) Moderate effectEvidence grade A
Conditions
Only in Vitamin B12 for Energy in replete people
None.
Only in Vitamin B12
- Pernicious / macrocytic anemia ImprovesEvidence grade A
- Cognitive decline No clear effectEvidence grade C
What each entry says about the other
- Vitamin B12 for Energy in replete people’s entry · Goes with: Read the full Vitamin B12 monograph
Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.