The aim of this study was to investigate habits and opinions on dietary supplements intake among male fitness users with nonprofessional sport background from Sarajevo – Bosnia and Herzegovina. Overall, sample consisted of 564 participants aged 18-40. Designed questionnaire was used to gain results in 7 largest fitness facilities in Sarajevo. Descriptive cross-sectional analysis was used to analyze results of the questionnaire. Dietary supplements were used by 71,81% (n = 405), of which 46,81% (n = 264) used them on daily basis, while 25.00% (n = 141) participants consumed supplements occasionally. Whey protein (50.37%) was most common choice, followed by amino acid (17.78%) and creatine (14.07%). Muscle gain (59.75%) was the main reason for supplementation usage with 40% of subjects (n=303) enquiring basic information’s about supplements trough web search. Therefore, we conclude that additional effort in educating consumers and employees working with fitness users is essential.