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C vitamin potential

14 September 2009

 This study sheds new light on the healing properties of vitamin C. However, this research is still in its infancy and we're a long way from understanding how exactly it can be used.

Dr Karen Woo, associate medical director, Bupa

Experts have discovered new protective roles for vitamin C in skin.

The researchers found that vitamin C can help speed up wound healing and protect skin against sun damage.

In a laboratory, scientists exposed skin cells from a healthy donor to vitamin C. They created a wound in the cells by cutting into them and used ultraviolet (UV) radiation to mimic the sun's rays.

Genetic analyses found that the cells exposed to vitamin C grew quicker and were able to combat and repair damage better than the cells that weren't.

Dr Karen Woo, associate medical director for Bupa, said: "This study sheds new light on the healing properties of vitamin C. We've known about its use as a treatment for scurvy for many years, but now the potential is there for it to be used in wound healing and preventing skin cancer. However, this research is still in its infancy and we're a long way from understanding how exactly it can be used.

"In the meantime, stick to what we already know. Make sure you get all the vitamins and minerals you need from eating a well-balanced diet. And, when you're in the sun, always use sunscreen of at least SPF 15 that protects your skin from both UVA and UVB rays."

Key facts
  • Vitamin C is a highly effective antioxidant. This means that it can help repair damaged cells in the body. It also helps the body to absorb iron from food.
  • A lack of vitamin C can cause scurvy.
  • The richest naturally occuring sources of vitamin C are in fruits and vegetables, for example broccoli and oranges.
  • The Food Standards Agency (FSA) recommends that adults have 40mg of vitamin C a day. However, don't take more than 1000mg of vitamin C a day as taking large amounts can cause stomach pain, diarrhoea and flatulence.

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