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The objectives were to assess the bioavailability of vitamin C from orange juice and its influence on plasma vitamin C and 8-epi-prostaglandin F2α (8-epi-PGF2α) concentrations in a healthy human popul...
The study cohort included 66 lactovegetarians or lactoovovegetarians (LV-LOV group), 29 vegans, and 79 omnivores. Total vitamin B-12, methylmalonic acid, holotranscobalamin II, and total homocysteine ...
Fortification of milk with vitamin D may not be adequate for satisfying the vitamin D requirement because of variability in vitamin D content after fortification and because many persons have milk all...
In some patients with vitamin B-12 deficiency mistakenly treated with folic acid, anemia resolved but neurologic complications became worse (masking). Fortification of enriched cereal grains with foli...
Riboflavin is unique among the water-soluble vitamins in that milk and dairy products make the greatest contribution to its intake in Western diets. Meat and fish are also good sources of riboflavin, ...
One hundred eighty-seven women who were ≥ 1 y postmenopausal were randomly assigned to take either 1000 mg Ca/d after the evening meal or 1000 mg Ca/d plus 10 000 U vitamin D2/wk in a double-blind, pl...
Vitamin B-12 deficiency is usually accompanied by elevated concentrations of serum total homocysteine (tHcy) and methylmalonic acid (MMA). Folate deficiency also results in elevated tHcy. Measurement ...
Limited information exists on the biological role of a vitamin B-12–binding protein, haptocorrin, in human milk. The expression of haptocorrin by human mammary epithelial cells and its presence in hum...
Background: The relative-dose-response (RDR) test is used to identify subjects with marginal liver vitamin A stores, but its use has not been evaluated during episodes of infection.Objective:...
Background: The associations between homocysteine, B vitamin status, and pregnancy outcomes have not been examined prospectively.Objective: We assessed the associations of preconception homo...
Background: Little is known about the effect of vitamin D status on bone gain in adolescents.Objective: The objective was to examine whether vitamin D status is associated with accrual of bo...
Background: Crohn disease (CD) and vitamin D deficiency are associated with decreased bone mineralization.Objective: We examined the prevalence of and risk factors for hypovitaminosis D in c...
Background: The pattern of weight gain during pregnancy among HIV-infected women is largely unknown. Multivitamin supplementation was shown to be effective in preventing adverse pregnancy outcome...
Vitamin E is indispensible for reproduction in female rats. In humans, vitamin E deficiency primarily causes neurologic dysfunctions, but the underlying molecular mechanisms are unclear. Because of it...
Background: Lipid peroxidation may be important in the pathogenesis of atherosclerosis, particularly in its earliest stages. Evidence predominantly from in vitro studies suggests that antioxidant...

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