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Some studies suggest dietary supplements can improve health, meet micronutrient requirements, and enhance athletic performance, while other studies indicate they do not lower the risk of chronic diseases, cardiovascular disease, or cancer, and may even increase health risks.
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The impact of dietary supplements on health, performance, and disease prevention has been a topic of extensive research. This synthesis aims to present the latest findings from multiple studies, focusing on the efficacy and safety of dietary supplements in various contexts.
Cardiovascular Health and Mortality:
Cancer and All-Cause Mortality:
General Health and Nutrient Deficiencies:
Performance in Athletes:
Diet Quality and Obesity:
The research indicates that while certain dietary supplements can offer specific health benefits, such as reducing cardiovascular mortality and addressing nutrient deficiencies, their overall impact on chronic disease prevention and general health is mixed. Supplements like vitamin E and folic acid show promise in reducing cardiovascular risks, whereas others like vitamin A and β-carotene may pose health risks. For athletes, some supplements can enhance performance, but their use should be carefully managed. Overall, dietary supplements should be used judiciously, ideally under medical supervision, to ensure safety and efficacy.
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