Reducing intake of niacin can prevent obesity

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Washington, May 21 (ANI): Scientists in China have suggested that reducing the intake of niacin, also known as vitamin B3 or nicotinic acid, can prevent obesity.

Dietary factors have long been known to play a major role in the development of obesity. The global increasing prevalence of obesity suggests that there should be some common changes in diet worldwide.

In fact, a significant, yet, often-neglected worldwide change in dietary factors in the past few decades is the food fortification-induced marked increase in the content of niacin.

However, the effect of long-term exposure to excess niacin on human health remains to be unclear.

Now, a research team from China has examined the role of excess nicotinamide in glucose metabolism using co-loading of glucose and nicotinamide test.

They have proved that excess niacin intake-induced biphasic response, i.e., insulin resistance in the early phase and hypoglycemia in the late phase, may be a primary cause for the increased appetite in obesity.

The study has also revealed for the first time that the obesity prevalence among US children and adolescents increased in parallel with the increase of the per capita niacin consumption with a 10-year lag, in which niacin fortification-induced sharp increase in niacin contents in grain products may play a major role.

Reducing niacin intake and facilitating niacin elimination through sweat-inducing physical activity may be a key factor in the prevention and treatment of obesity.

It seems that the long-term safety of niacin fortification needs to be carefully evaluated.

The study will be published on May 21, 2010 in the World Journal of Gastroenterology. (ANI)

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