High doses of niacin, also known as vitamin B3, could be useful in improving the performance of men suffering from severe impotence.
Niacin is a vitamin found in breakfast cereals such as porridge and Weetabix.
Like statins, the anti-cholesterol drugs prescribed to millions of people in the UK, niacin can help to reduce levels of harmful fats that clog up the body’s main arteries.
It’s thought taking it every day helps to reduce cholesterol deposits in the main arteries in the pelvis, allowing more blood to reach the genitals.
It may also work by helping blood vessels to dilate, which improves blood flow.
But the quantities involved, up to 1,500mg a day, cannot be consumed by simply eating an extra bowl of cereal or other niacin-rich foods, such as meat, fish, eggs or milk.
In fact, one person would need to scoff around 580 Weetabix biscuits to get the equivalent amount eaten by each of the 161 men who took part in the study.
The study was carried out by researchers from the Chinese University of Hong Kong.
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