ATIC, SHMT2, and SLC46A1 have essential roles in one-carbon (1-C) transfer. The authors examined whether associations between ovarian carcinoma and 15 variants in these genes are modified by regular multivitamin use, a source of 1-C donors, among Caucasian participants from two US case-control studies. Using a phased study design, variant-by-multivitamin interactions were tested, and associatio...

BACKGROUND Multivitamin supplements are used by millions of Americans because of their potential health benefits, but the relationship between multivitamin use and prostate cancer is unclear. METHODS We prospectively investigated the association between multivitamin use and risk of prostate cancer (localized, advanced, and fatal) in 295,344 men enrolled in the National Institutes of Health (N...

BACKGROUND Telomere length may be a marker of biological aging. Multivitamin supplements represent a major source of micronutrients, which may affect telomere length by modulating oxidative stress and chronic inflammation. OBJECTIVE The objective was to examine whether multivitamin use is associated with longer telomeres in women. DESIGN We performed a cross-sectional analysis of data from ...

PURPOSE To prospectively evaluate the association of vitamin/mineral supplementation with cancer, cardiovascular, and all-cause mortality. METHODS In the Heidelberg cohort of the European Prospective Investigation into Cancer and Nutrition (EPIC-Heidelberg), which was recruited in 1994-1998, 23,943 participants without pre-existing cancer and myocardial infarction/stroke at baseline were incl...

OBJECTIVE To evaluate whether zinc supplementation during pregnancy is associated with an increase in birth weight. DESIGN A randomized double-blind placebo-controlled trial. SETTING Outpatient clinic and delivery service at the University of Alabama at Birmingham. PATIENTS Five hundred eighty medically indigent but otherwise healthy African-American pregnant women with plasma zinc levels...

OBJECTIVE We investigated the effect of a moderate mutivitamin and mineral supplementation containing mainly vitamin C (150.0 mg.day(-1)), vitamin E (24.0 mg.day(-1)) and beta-carotene (4.8 mg.day(-1)) prior to and during an extreme running competition -the Marathon des Sables (MDS)- that consisted of six long races in the desert. METHODS Seventeen athletes participated in our double blind, p...

This study documented the prevalence and pattern of dietary supplements usage among older adults in Japan. Persons aged 55-75 years residing in middle and southern Japan were recruited and interviewed face-to-face on their use of dietary supplements. Among the 572 (355 male and 217 female) participants from 10 prefectures, 45.8% took supplements on a weekly or daily basis, the prevalence was hi...

Background: Poor child growth increases risks of mortality and morbidity. Micronutrient supplements have the potential to improve

Background Despite the decreasing rate of under nutrition children in recent years overall, the negative affect in growth and development make it as a main concern in the world. Applying an available and appropriate supplementary food is a major approach in treating children with Moderate Acute Malnutrition (MAM). Objective To compare the effectiveness of a new supplementary blended flour (co...