Omneya Ahmad Abu Gayed^1,, Roaa Mansour Alhutayli², Dr. Rakan Ali Yamani³

Background: dietary supplement defined as a product taken orally that contains one or more ingredients (such as vitamins or amino acids) that are intended to supplement one's diet and are not considered food .The Kingdom of Saudi Arabia is a fast-growing economic country that had affected its general population in various ways including a transition in daily lifestyle patterns and dietary intake habits. The pace of change has diverted the traditional Saudi diet towards the so-called Western diets, with increased consumption of energy dense and processed foods leading towards increased prevalence of non-communicable diseases in many Arab regions. Objectives: To determine the prevalence of DSs consumption among adult gymnasiums in Makkah Al Mukrammah city in 2018. Method: Cross-sectional study design. The current study was conducted at Elite, curves and fitness time centers at Holy Capital of Makkah. Sample size will be total of 190 participants. They would be 65 (34%) female volunteers and 125 (66%) male volunteers. Results: Overall, our participants who did not suffer side effects of supplements were constitutes 78.6 % the significant difference between education status and using supplements in the study while Chi-square 18.906 & p-value more than 0.05. The Sports Trainer was the most sources to obtain information in study group constitutes 24.9% then the second source to obtain information was Magazines and newspapers constitutes 23.7 % then friends constitutes 17.9%. The significant difference between food supplements used and gender in study group While Chi-square 28.349 & p-value more than 0.05. Conclusion: The prevalence of dietary supplement use was high and was significantly associated with socio demographic and lifestyle factors. A substantial proportion of populations take supplements. Further investigation into the social, psychological and economic determinants that motivate the use of supplements is required, to ensure appropriate use of supplements among adults.

supplements, dietary intake, lifestyle, prevalence, physically active and adults