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Archive for July 15th, 2008

Should I Take a Multivitamin?

I’ll start with a confession. I used to do something irrational. I used to take a daily multivitamin, not because I thought there was good scientific evidence to support the practice, but for psychotherapy. I tried to eat a healthy diet and worried about it. By taking a pill, I could stop worrying.

Then I found out that higher intake of vitamin A was associated with an increased risk of hip fractures in postmenopausal women like me, and I stopped. (High doses of vitamin A also cause births defects and are contraindicated in pregnancy.) Now I only take supplemental calcium and vitamin D, not on general principles but because of personal risk factors.

We’re being bombarded by advice to take vitamins and various other supplements. Health gurus like Andrew Weil recommend that everyone take vitamins (which they just happen to sell). The orthomolecular followers of Linus Pauling want us to take megadoses of vitamins. Ray Kurzweil tells us we should take vitamins to make us live longer; he takes 250 vitamin and supplement pills a day and thinks he will live forever. (You can read about his ideas in his book Fantastic Voyage: Live Long Enough to Live Forever.) Who should we believe? (more…)

Posted in: Herbs & Supplements, Nutrition

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