The use of supplementation is increasing rapidly. The purpose of this research is to evaluate the effect of prevalence use of supplementation between young judo national athletics. Subjects consisted of 90 male participating in the National Individual Judo Championships in 1385. Simple check-off forms were used to collect the data, of use of supplementation including supplementation type and person advised to use this supplementation. Non-parametric statistical procedures were used to determine the differences in supplementation type and person involved. Keratin was the most used supplementation (38/100) .Friends had greatest roll in supplementation use. (75/100). Improved awareness may be among the options to be considered from a preventative point of view in supplementation use. Educating coaches and athletes alike regarding proper supplementation use, and their prevention should be part of any coaching certification program.

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