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Biological Research For Nursing
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The Effects of Endurance Exercise and Vitamin E on Oxidative Stress in the Elderly

James V. Jessup, PhD, RN

Claydell Horne, PhD, RN

Hossein Yarandi, PhD

The University of Florida, College of Health and Human Performance, Department of Exercise and Sport Sciences and Physiology, Gainesville.

John Quindry, PhD

The University of Florida, College of Nursing, Gainesville. jessujv{at}nursing.ufl.edu

To examine the effects of exercise and vitamin E supplementation on oxidative stress in older adults, 59 participants, age 76.3 ± 4.2 years, were randomly assigned to 1 of 4 groups: an exercise group taking placebos (EGP) or vitamin E (EGE) or a sedentary group taking placebos (SGP) or vitamin E (SGE). Measures included weight, VO2max, blood pressure (BP), and serum concentrations of vitamin E and lipid hydroperoxide (LOOH). At the end of the 16-week trial, the EGP and EGE had significant increases in VO2max and significant decreases in resting BP, weight, and LOOH concentrations (P < 0.05). The SGE had significant decreases in LOOH and BP (P < 0.05). There were no significant changes in the SGP (P > 0.05). The results suggest that endurance exercise in combination with vitamin E reduces oxidative stress, improves aerobic fitness, and reduces BP and weight in older adults. Even sedentary participants who take vitamin E may reduce oxidative stress and lower BP.

Key Words: exercise • vitamin E • oxidative stress • blood pressure • lipid hydroperoxide • aging

Biological Research For Nursing, Vol. 5, No. 1, 47-55 (2003)
DOI: 10.1177/1099800403005001005
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