This study has been commented on another site, provoding some interesting details:
So:
After 5 years on a vegan diet without supplementation or fortified food, the average B12 levels went...
Type: Posts; User: Korn; Keyword(s):
Re: The impact of vegan diet on B-12 status in healthy omnivores: five-year pros
This study has been commented on another site, provoding some interesting details:
So:
After 5 years on a vegan diet without supplementation or fortified food, the average B12 levels went...
The impact of vegan diet on B-12 status in healthy omnivores: five-year prospect
The impact of vegan diet on B-12 status in healthy omnivores: five-year prospective study. [PMID: 22493163]