Moderation is the key in almost anything and with vitamins, it’s no exception. For the most part, people who spend a lot of money on vitamins just end up with expensive urine, but sometimes too much of a vitamin can cause problems. Researchers in Sweden found such a problem among 25,000 women who took vitamin C.
The recommended daily allowance of vitamin C is 45 mg per day, according to the World Health Organization (WHO) and 60 mg to 95 mg pe
r day, according to the United States’ National Academy of Sciences. The researchers, who published their findings in the Journal of Clinical Nutrition, looked at 24,593 women aged 49 to 83 years old, for a little over eight years. The goal was to look at age-related cataracts and the researchers were looking at supplemental vitamin C use, not vitamin C that was taken in through diet.
Among the almost 25,000 women, there were 2,497 cases of cataracts:
- 878 cataracts were removed from the 9,973 women who did not take any supplements
- 252 cataracts were removed from the 2,259 women who took multivitamins only
- 143 cataracts were removed from the 1,225 women who took vitamin C only
The researchers also found that women who were older and taking hormone replacement therapy (HRT), as well as taking vitamin C had a higher risk of developing cataracts as well.
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Post from: Blisstree