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Supplements may expose athletes to dangerous ingredients, banned substances, toxins or contaminants; however, few investigations assess use among collegiate athletes in the U.S. This cross-sectional study evaluated habitual dietary supplement intake, defined use ≥2 days/week over the past year, in NCAA Division I athletes. Male and female members of a NCAA Division I team, at two universities in southern California completed a 13-item survey. Among 705 eligible participants, 596 submitted surveys (84.5% response rate), 557 surveys included complete data. Chi-square (χ) analyses evaluated differences among athletes based on sex, weight status, year in college, and sport-type. Independent t-test or ANOVA evaluated mean differences for continuous variables. A total of 45.2% athletes (n = 252) reported taking supplements (≥2 days/week over the past year). Vitamin/minerals (25.5%, n = 142), protein/amino acids (24.6%, n = 137) were used most frequently. Male, vs female athletes, took more supplements overall (1.2 ± 0.1 vs 0.8 ± 0.1, = 0.004) and indicated higher use of protein/amino acid products (34.2% vs 13.5%, < 0.005), whereas, females reported higher use of vitamin/minerals (30.5% vs 21.1%, < 0.05). Higher supplement use was also reported by athletes with BMI ≥ 30.0 kg/m (vs <30 kg/m, 1.9 ± 0.3 vs 1.0 ± 0.1, = 0.02), and athletes in ≥ third college year (vs first or second year, 1.2 ± 0.1 vs 0.9 ± 0.1, = 0.03). Nearly half of NCAA athletes reported habitual supplements use, with significant variation in patterns based on sex, sport-type, year in college, and weight status.
This article was published in the following journal.
Name: Journal of the American College of Nutrition
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A species of green microalgae in the family Chlorellaceae. It is used as a model organism for PHOTOSYNTHESIS, and as a food supplement (DIETARY SUPPLEMENTS).
A species of the genus SACCHAROMYCES, family Saccharomycetaceae, order Saccharomycetales, known as "baker's" or "brewer's" yeast. The dried form is used as a dietary supplement.
The study of NUTRITION PROCESSES during EXERCISE and ATHLETIC PERFORMANCE as well as specific NUTRITIONAL REQUIREMENTS of ATHLETES and the relationship between NUTRITIONAL STATUS and NUTRITION DISORDERS in athletes.
An oily liquid extracted from the seeds of the safflower, Carthamus tinctorius. It is used as a dietary supplement in the management of HYPERCHOLESTEROLEMIA. It is used also in cooking, as a salad oil, and as a vehicle for medicines, paints, varnishes, etc. (Dorland, 28th ed & Random House Unabridged Dictionary, 2d ed)
Iron or iron compounds used in foods or as food. Dietary iron is important in oxygen transport and the synthesis of the iron-porphyrin proteins hemoglobin, myoglobin, cytochromes, and cytochrome oxidase. Insufficient amounts of dietary iron can lead to iron-deficiency anemia.
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