Infographic of the Day: What Health Supplements Are B.S.?

The scientific consensus on everything from vitamin C to ginko biloba.

We're drowning in neutraceuticals, which are unregulated and often make ridiculous health claims—which is probably the key reason why they've become a $23 billion industry.

Which ones actually work? This interactive infographic by the tireless David McCandless lays it all out. Here's a screen-cap of just the top of the chart:

health supplements

The bubbles show a given supplement, and the health benefit in confers. The higher the bubble on the chart, the more evidence there is for its effectiveness. Some supplements appear more than once—for example, omega 3—because they might have multiple effects. And each of those has varying amounts of scientific back-up.

See the full-size still image here, and the interactive version here.

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