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The prevalence and types of dietary supplement use among Korean children and adolescents. 
, 26·9 % Pro/prebiotics; 
, 25·9 % multivitamin/mineral supplements; 
, 12·4 % others (botanical supplements, iron etc.); 
, 11·4 % vitamin C; 
, 6·9 % ω-3/fish oil; 
, 5·9 % vitamin D; 
, 3·8 % calcium; 
, 3·8 % zinc; 
, 3·1 % red ginseng
