Journal of the American College of Nutrition, Vol 8, Issue 2 109-119, Copyright © 1989 by American College of Nutrition

JOURNAL ARTICLE

Dietary influences on cardiovascular disease risk in anabolic steroid-using and nonusing bodybuilders

S. M. Kleiner, L. H. Calabrese, K. M. Fiedler, H. K. Naito, C. I. Skibinski and K. M. Fielder
Department of Nutrition, Case Western Reserve University, Cleveland.

Recent studies have described an association between high-risk lipoprotein profiles and anabolic steroid abuse by athletes. However, none have included a comprehensive evaluation of diet as a confounding variable. The risk of cardiovascular disease (CVD) and its associations with drug abuse, dietary patterns, and training regimens were evaluated in 18 steroid-using (SU) and 17 non-steroid-using (NSU; no history of drug use or greater than or equal to 1 year drug-free) male bodybuilders. CVD risk was also evaluated in 10 control males. Fasting serum total cholesterol (TC), high-density lipoprotein cholesterol (HDL) and HDL subfractions 2 and 3, low-density (LDL) and very-low-density (VLDL) lipoprotein cholesterol, apoproteins (APO) A-1 and B, and triglycerides (TG) were analyzed at baseline (greater than or equal to 6 months drug-free) and the peak of steroid self-administration in SU. NSU were tested at similar times. Baseline CVD risk factor ratios (TC/HDL) were elevated (greater than 4.97) in 44% of SU and 24% of NSU. When baseline LDL and HDL values were compared to National Cholesterol Education Program CVD risk guidelines, these percentages stayed the same. At the peak of steroid administration significant changes were observed in LDL (22% increase), HDL (63% decrease), HDL-2 (86% decrease), HDL-3 (54% decrease), and TC/HDL (85% increase). No similar measures were observed among NSU or controls. Diets of all bodybuilders were similar, and included a daily intake of 5739 (+/- 2500) kcal, 324 (+/- 163) g protein, 637 (+/- 259) g carbohydrate, 214 (+/- 109) g fat, 5 (+/- 8) g alcohol, 1413 (+/- 1151) mg cholesterol, and a P/S ratio of 0.6 (+/- 0.3). Significant relationships between dietary fats and serum lipids were observed in the NSU. Polyunsaturated fatty acids were correlated with TG and VLDL (r = 0.69; p = 0.01), and TC/HDL (r = 0.06; p = 0.04). Total fats were correlated with TG (r = 0.57; p = 0.05), HDL-3 (r = -0.62; p = 0.04), and VLDL (r = 0.57; p = 0.05), and saturated fats with HDL-3 (r = -0.59; p = 0.055). Diet was moderately associated with lipoproteins in SU, but steroids had a much greater influence on CVD risk. Despite disease promoting diets NSU had relatively average CVD risk that may be attributed to protective effects of rigorous training.

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