Dietary supplement usage in U.S. adults by age 2018

This statistic indicates the percentage of surveyed U.S. adults that take dietary supplements in 2018, distributed by age group. The survey was conducted in August 2018. In the age group of the 18-34 year-olds, 69 percent of respondents reported taking dietary supplements. Over two-thirds of the adults population in the United States takes dietary supplements, according to the survey. The nutritional supplement industry has seen a large growth in the market, especially in protein supplements and vitamins.