High Dose Vitamin C Can Increase Cataract Risk

Women who took 1,000 mg of vitamin C daily were 25 per cent more likely to develop cataract

Photo: www.kellogg.umich.edu

If you want to preserve your vision as you age, you might consider tossing your vitamin C supplement. According to a study published in the February issue of the American Journal of Clinical Nutrition, high-dose vitamin C supplements – 1,000 milligrams daily – can increase the risk of developing cataracts.

Researchers followed 25,593 women, aged 49 to 83, for eight years and found that those who took 1,000 mg of vitamin C daily were 25 per cent more likely to develop cataracts than those who did not use supplements.

Among women 65 and older, vitamin C use increased the risk of cataract by 38 per cent. Taking vitamin C in combination with hormone replacement therapy or corticosteroid medication was associated with an even greater risk.

Read the full story at the globeand mail.com

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