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vitamin supplement

National Institutes of Health

Papers overview

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Highly Cited
2009
Highly Cited
2009
Spirulina is the most extensively used microalgae for animal and human nutrition mostly because of its high protein content, 60… Expand
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Highly Cited
2007
Highly Cited
2007
Estimating flavonoid intake is a first step toward documenting the protective effects of flavonoids against risk of chronic… Expand
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Highly Cited
2005
Highly Cited
2005
Hypovitaminosis D is associated with impaired neuromuscular function, bone loss, and fractures. If a person is not taking a… Expand
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Highly Cited
1999
Highly Cited
1999
OBJECTIVE To evaluate the accuracy of a simplified inventory procedure for assessing nutrient intake from vitamin and mineral… Expand
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Review
1998
Review
1998
Epidemiological studies suggest that certain vitamin supplements may reduce the risk of some cancers. However, observational… Expand
Highly Cited
1997
Highly Cited
1997
The relationship between vitamin supplement use and colon cancer was assessed in a population-based case-control study among men… Expand
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Highly Cited
1993
Highly Cited
1993
We measured the vitamin B-6, vitamin B-12, and folic acid nutritional status in a group of apparently healthy men (n = 44) with… Expand
Highly Cited
1992
Highly Cited
1992
BACKGROUND: The risk of recurrent neural-tube defects is decreased in women who take folic acid or multivitamins containing such… Expand
Highly Cited
1992
Highly Cited
1992
BACKGROUND The risk of recurrent neural-tube defects is decreased in women who take folic acid or multivitamins containing such… Expand
Highly Cited
1985
Highly Cited
1985
The relationship between plasma carotenoids, plasma cholesterol, cigarette smoking, vitamin supplement use, and intakes of… Expand