Just in case you were wondering.


Junkfood Science relays us the results of a large, properly-conducted meta-analysis on the use of vitamin and nutritional supplements for the last 40 years and guess what – no effect. Vitamins are only useful when you have a deficiency.

I don’t have a link, but I believe research into the ‘effectiveness’ of placebo pills found that people perceived the most benefit if the placebo was a large, brightly-coloured capsule which had to be taken in multiple daily doses. Weird, since when it comes to real medication, a small white once-daily formula is generally preferred. I’ve seen fridge-tops full of supplements in  patients bitter about the amount or cost of their regular medications.

Posted in Health. 2 Comments »

2 Responses to “Just in case you were wondering.”

  1. tizona Says:

    I can’t reach the top of my fridge, mine are lower 🙂

    I must ask though, if the supplements have no effect on a physiological basis, wouldn’t they have a psychological type effect similar to, a placebo?

  2. Dminor Says:

    If you believe in them, then maybe you feel less anxious about your health. Looks like that doesn’t translate into any beneficial outcome, though.

    Spoke to an eye specialist today. We’ve been prescribing a vitamin supplement called macuvision or eyevite for macular degeneration, but it turns out to be useless unless you have a true dietary deficiency. In fact, they can even make the problem worse. Best treatment, she said, was plenty of coloured vegetables.


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