FIGURE 3.

Primary information source when choosing to take a dietary supplement. Product-specific distribution of the reported primary information source for supplement use, including health care providers (e.g., doctor, nurse, and dietitian) (white box); alternative medicine practitioners (e.g., naturopath and acupuncturist) (white box with checkers); family/friends (grey box); internet/social media (grey box with checkers); or other (black box). Note: “other” category frequently included reference to “self” and included other information sources, such as health food stores or books.