Snake oil

Recent studies have shown that many vitamins and supplements do little for our health and are a waste of money. This chart will make it abundantly clear how true that is. In this visualization by David McCandless the user can see how many supplements are actually helpful (based on scientific studies) and how many are basically nothing more than snake oil.

Snake oil

Source: Information is Beautiful
Date of Publication: Feb. 1, 2014
Authors: David McCandless and Tom Evans


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