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  • Title: [Vegetarians and vitamin B12. A controlled trial of vitamin B12 status in 63 lactovegetarians].
    Author: Solberg EE, Magnus E, Sander J, Loeb M.
    Journal: Tidsskr Nor Laegeforen; 1994 Sep 20; 114(22):2601-2. PubMed ID: 7985175.
    Abstract:
    In this study vitamin B12 status was assessed in 63 adult long-term lactovegetarians and 63 controls. No significant difference in mean plasma levels of vitamin B12 was found between the two groups. In contrast to what might have been expected, the vegetarians showed a slight increase in the vitamin B12 levels with increasing number of years as vegetarians. There was a significant (r = 0.34, p = 0.01) correlation between oral intake of vitamin B12 in the lactovegetarians and the plasma levels of the vitamin. Folate in plasma and whole blood were significantly higher (p < 0.001) in the vegetarian group than in the control group. The findings do not indicate that lactovegetarians risk developing dietary-induced vitamin B12 deficiency.
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