This amazing chart by David McCandless shows which health supplements are and aren’t backed by scientific evidence.
Posted to visual.ly, the chart shows that green tea and vitamin D supplements are effective.
Those with little evidence backing them up include acai and wheatgrass.
Check it out:
DON’T MISS: 20 Superfoods That Everyone Went Bonkers Over >
Business Insider Emails & Alerts
Site highlights each day to your inbox.