Vitamin B12and Fatigue.
B12 deficiency can cause fatigue. This does not establish an energy benefit in people with adequate B12.
Evidence gradeNot graded
ImpactNot rated
ConfidenceNot rated
Source summary; no evidence grade assigned
The rating
- Direction
- Depends on context
- Population
- See source for context
- Rated by
- Nutrient Desk
Studies behind it
The source linked no studies to this rating. That does not mean no research exists.