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Related Experiment Videos

Dietary supplements in weight reduction.

Johanna T Dwyer1, David B Allison, Paul M Coates

  • 1Office of Dietary Supplements, National Institutes of Health, Bethesda, Maryland 20892, USA. DwyerJ1@od.nih.gov

Journal of the American Dietetic Association
|May 4, 2005
PubMed
Summary
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Dietary supplements can help nutrient intake on calorie-restricted diets but their effectiveness for weight loss is inconclusive. Consult the Food and Drug Administration for safety updates on weight loss supplements.

Area of Science:

  • Nutrition Science
  • Dietary Supplements
  • Weight Management

Background:

  • Dietary supplements serve dual roles in weight reduction: nutrient provision and potential weight loss stimulation.
  • Calorie-restricted diets may lack essential nutrients, necessitating supplementation.
  • The efficacy and safety of many supplements for weight loss remain under investigation.

Purpose of the Study:

  • To review the evidence on the role of dietary supplements in weight reduction.
  • To assess the safety and benefits of dietary supplements for weight management.
  • To provide guidance on the appropriate use of supplements in conjunction with reduced-calorie diets.

Main Methods:

  • Literature review of existing evidence on dietary supplements for weight reduction.

Related Experiment Videos

  • Analysis of nutrient adequacy in calorie-restricted diets with and without supplements.
  • Examination of safety data and regulatory warnings concerning weight loss supplements.

    • Main Results:

    • Supplements can help meet nutrient requirements on hypocaloric diets, up to 100% of daily values.
    • Evidence for the efficacy of botanical and other supplements in stimulating weight loss is currently inconclusive.
    • Safety concerns exist for some supplements, notably ephedra and ephedrine, warranting caution.

    Conclusions:

    • Dietary supplements can be beneficial for nutrient adequacy during weight reduction.
    • The weight loss benefits of most supplements are not well-supported by current evidence.
    • Healthcare professionals should monitor FDA alerts and consult reliable sources for supplement safety and efficacy information.