Snake oil? The scientific evidence for popular health supplements

This image is a “balloon race”. The higher a bubble, the greater the evidence for its effectiveness. Click HERE or on the image to see the full, interactive version. But the supplements are only effective for the conditions listed inside the bubble. You might also see multiple bubbles for certain supplements. These is because some supplements affect a range of conditions, but the evidence quality varies from condition to condition. For example, there’s strong evidence that Green Tea is good for cholesterol levels, but evidence for its anti-cancer effects is conflicting.

On the right (once you click through to the full version on InformationIsBeautiful) there’s a little tab that says “show me”. Click that to navigate different conditions and so on.

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