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Top 5 vitamin and mineral supplement types used by U.S. adults 2017
This statistic shows the top 5 types of vitamin and mineral supplements used by U.S. adults who take dietary supplements. The statistic is based on a survey conducted in August 2017. Some 26 percent of adult U.S. supplement users reported taking calcium supplements. The nutritional supplement industry has seen a large growth in the market, especially in protein supplements and vitamins.