Vitamin B12 status
Biomarker1 paper1 finding
- Humans1
Interventions
1Vegan diet
no changein humans1Very low certainty
1 study
Vegan diet
no changein humans1Very low certainty
Vegan diet has no effect on vitamin B12 status in humans.
“Vitamin B 12 status did not differ between both groups at any time.”
HumansCompared with omnivores2017 and 2021
Nutrition and health status in the follow-up of the risks and benefits of a vegan diet (RBVD) study · Scientific reports · 6 Oct 2026