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Vitamin in Milk Boosts Health

Monday, 18 June 2012 01:09 PM

A newly discovered form of vitamin B3 found in milk produces remarkable health benefits, including a boost in strength and reduced risk of diabetes, according to a new study of mice that researchers said has significant implications for people.
Researchers at Weill Cornell Medical College and the Polytechnic School in Lausanne, Switzerland, reported mice given high doses of the vitamin precursor, nicotinamide riboside (NR) — a cousin of niacin — had increased muscle performance, energy expenditure and were less likely to develop diabetes, all without side effects.
The study, published in the journal, Cell Metabolism, suggested NR’s benefits closely parallel the effects of increased physical activity and adopting a healthier diet.
"This study is very important. It shows that in animals, the use of NR offers the health benefits of a low-calorie diet and exercise — without doing either one," said lead researcher Dr. Anthony Sauve, of Weill Cornell Medical College.
"The research also suggests that the effects of NR could be even broader. The bottom line is that NR improves the function of mitochondria, the cell's energy factories. Mitochondrial decline is the hallmark of many diseases associated with aging, such as cancer and neurodegeneration, and NR supplementation boosts mitochondrial functioning."
The Swiss researchers called NR a "hidden vitamin" believed to also be present in many other foods, although levels are low and difficult to measure. Nevertheless, the effects of NR on metabolism "are nothing short of astonishing," they said.
For the study, researchers found that mice on a high-fat diet supplemented with NR gained significantly less weight (60 percent) than mice fed the same diet without NR. They also had improved energy levels, were in better shape than untreated mice, and had significantly better endurance and stronger muscles. What’s more, the treated mice did not develop diabetes, had improved sensitivity to insulin and lower cholesterol levels.

© HealthDay

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A newly discovered form of vitamin B3 in milk produces remarkable health benefits.
Monday, 18 June 2012 01:09 PM
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