Why the study?
Does beta-carotene supplementation improve the peroxidation potential of plasma in healthy older women?
Population
12 healthy women, age 62-80 years
Comparison
90 mg of beta-carotene capsules daily for 3 weeks vs Placebo capsules for 3 weeks
Design
RCT, randomized, double-blind, placebo-controlled
Follow-up
3 weeks
Authors
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Supports beta-carotene to enhance plasma antioxidant capacity in older women; confirms RCT evidence for reduced lipid peroxidation.
Does beta-carotene supplementation improve the peroxidation potential of plasma in healthy older women?
Beta-carotene supplementation increases the plasma antioxidant capacity of older women by delaying and reducing lipid peroxidation in vitro.
Meydani et al. (1994) studied this question.
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