Table 4: Type of dietary supplements and frequency of use among professional athletes ( ).

Category of supplementsNoYes
(%) (%)

Sport supplements
 Sport drinks(11.2) 11(88.7) 87
 Health bar(40.8) 40(59.1) 58
 Red bull energy drink (74.4) 73(25.5) 25
Vitamins
 Vitamin C(17.3) 17(82.6) 81
 Vitamin D (56.1) 55(43.8) 43
 Vitamin E(73.4) 72(26.5) 26
 Vitamin B (59.1) 58(40.8) 40
 Multivitamin (47.9) 47(52.0) 51
Minerals
 Iron supplement(42.8) 42(57.1) 56
 Calcium (31.6) 31(68.3) 67
Carbohydrate
 Carbohydrate electrolyte beverage(31.6) 31(68.3) 67
 Fructose syrup(85.7) 84(14.2) 14
Protein
 Amino acids(73.4) 72(26.5) 26
 Ephedra(86.7) 85(13.2) 13
 Weight gainers(77.5) 76(22.4) 22
Fish oils
 Omega 3(54.0) 53(45.9) 45
 Omega 6(81.6) 80(18.3) 18
Herbals
 Ginseng (71.4) 70(28.5) 28
 Gingko biloba(89.7) 88(10.3) 10
Ergogenic aids
 Slimming products(71.4) 70(28.5) 28
 Coenzyme(76.5) 75(23.4) 23
 Caffeine(41.8) 41(58.1) 57
 Creatine
(83.6) 82(16.3) 16

Since the value is 0.0001, we can conclude that there is statistically significant difference between the frequencies of use of dietary supplements among professional athletes.