Category Archives: Nutrition: Vitamin C

Vitamin C may help people who suffer from respiratory symptoms after exercise

Physical activity increases oxidative stress, and therefore, as an antioxidant vitamin C might have particularly evident effects on people who are participating in vigorous exercise. In several studies, vitamin C administration attenuated the increases in oxidative stress markers caused by … Continue reading

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High doses of vitamin C, E supplements do not improve health (resistance to illness and disease) and physical performance

BMC Sports Sci Med Rehabil. 2014 Jul 5;6:28. doi: 10.1186/2052-1847-6-28. eCollection 2014. Can supplementation with vitamin C and E alter physiological adaptations to strength training? Paulsen G1, Cumming KT2, Hamarsland H2, Børsheim E3, Berntsen S4, Raastad T2. Author information 1Department … Continue reading

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Vitamin E and C supplementation have no effect on cancer risk

Vitamin E and C supplementation and risk of cancer in men: posttrial follow-up in the Physicians’ Health Study II randomized trial 1,2,3,4 First published July 9, 2014, doi: 10.3945/​ajcn.114.085480 Am J Clin Nutr September 2014 ajcn.085480 Lu Wang, Howard D … Continue reading

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For pregnant smokers, vitamin C supplements improve lung function of newborn

Supplemental vitamin C taken by pregnant smokers improved measures of lung function for newborns and decreased the incidence of wheezing for infants through 1 year, according to a study published by JAMA. The study is being released early online to … Continue reading

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Endurance training is hampered by vitamin C and E supplements: Norwegian School of Sport Sciences study

Vitamin C and E supplements may blunt the improvement of muscular endurance – by disrupting cellular adaptions in exercised muscles – suggests a new study published today [3 February] in The Journal of Physiology. As vitamin C and E supplements … Continue reading

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Vitamins can damage body’s defenses: new university study

Vitamin supplements are a billion-dollar industry. We want to stay healthy and fit and help our bodies with this. But perhaps we are achieving precisely the opposite? – We believe that antioxidants are good for us, since they protect the … Continue reading

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Short-term therapy with vitamin C may improve mood and reduce psychological distress

Effects of vitamin C and vitamin D administration on mood and distress in acutely hospitalized patients 1,2,3,4 Yifan Wang, Xing Jian Liu, Line Robitaille, Shaun Eintracht, Elizabeth MacNamara, and L John Hoffer + Author Affiliations 1From the Lady Davis Institute … Continue reading

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Vitamin C supplements linked to kidney stones

New research from Karolinska Institutet shows that men who take vitamin C supplements regularly run a higher risk of developing kidney stones. The study, which is published in the scientific periodical JAMA Internal Medicine, did not however observe an increased … Continue reading

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Multivitamin-multimineral treatment has NO EFFECT on mortality risk: The American Journal of Clinical Nutrition

Multivitamin-multimineral supplementation and mortality: a meta-analysis of randomized controlled trials Helen Macpherson, Andrew Pipingas, and Matthew P Pase Center for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Australia. No specific external funding was received for this project. First published December … Continue reading

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When mom lacks vitamin C, the fetus’s brain suffers, and it can’t be changed after the birth with supplements

Maternal vitamin C deficiency during pregnancy can have serious consequences for the foetal brain. And once brain damage has occurred, it cannot be reversed by vitamin C supplements after birth Maternal vitamin C deficiency during pregnancy can have serious consequences … Continue reading

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Exercise, vitamin C, blood pressure, PAD: a new study

Low antioxidant levels contribute to increased blood pressure during exercise for people with peripheral arterial disease, according to researchers at Penn State Hershey Heart and Vascular Institute. Peripheral arterial disease, or PAD, affects an estimated 10 million Americans and increases … Continue reading

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Vitamin C prevents bone loss in animal models

Researchers at Mount Sinai School of Medicine have shown for the first time in an animal model that vitamin C actively protects against osteoporosis, a disease affecting large numbers of elderly women and men in which bones become brittle and … Continue reading

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Dementia protection from vitamin C and beta-carotene possible

Forgetfulness, lack of orientation, cognitive decline… about 700, 000 Germans suffer from Alzheimer’s disease (AD). Now researchers from the University of Ulm, among them the Epidemiologist Professor Gabriele Nagel and the Neurologist Professor Christine von Arnim, have discovered that the … Continue reading

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