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Dietary Supplements

Dietary Supplements

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Dietary Supplements

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  1. Dietary Supplements

  2. Supplements

  3. What is a Dietary Supplement? • Intended to supplement the diet • Contains one or more ingredients • Intended to be taken by mouth (but is not a food) • Labeled on the front panel as a dietary supplement

  4. Vitamin and Mineral Supplements • Known essential nutrients • Dose based on the RDA • Safe when used correctly • Targeted markets

  5. Calcium and Vitamin D Supplement • Strong bones and teeth • Helps heart, nerves, and muscles work properly • Total calcium intake should not exceed 2500 mg per day • Vitamin D is important

  6. When Vitamin Supplements are Advisable • Vitamin B12 • Folic acid • Vitamin D

  7. Herbal Supplements • No known requirements or safe doses • Active ingredient may not be known • Complex mixture of compounds • Ingredients may cause side effects and interactions

  8. Supplement Labeling • Statement of identity • Net quantity of contents • "This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease." • Other ingredients in descending order of predominance and by common name or proprietary blend • Name and place of business of manufacturer, packer or distributor • This is the address to write for more product information.

  9. Directions: Amount to take States dosage and health warning of active ingredient Warns of harm caused by supplement and possible drug interactions Supplement Facts Panel: Information about recommended serving size and the name and amount of each ingredient

  10. Reading Labels • Manufactures are allowed to make four kinds of claims about the product: • Nutritional claims • Claims of well-being • Health claims • Structure or function claims “Helps Maintain Healthy Joint Function”

  11. What you Need to Know First • Supplements are not considered pharmaceuticals, therefore have not undergone rigorous testing for safety or efficacy. • Talk with your doctor first before starting a supplement regimen • Like drugs, dietary supplements have risks and side effects

  12. Choosing a Supplement • Look for standardized supplements • Reliable manufacturer • Pharmacopeia’s seal • • Select only single herb supplements • Beware of claims that are too good to be true • Avoid supplements manufactured outside US • toxic ingredients and prescription medicines

  13. Quality and Safety • Unlike drugs, dietary supplements have NO governmental standards to ensure safety, effectiveness or quality • Supplements are not ‘FDA approved’ • Active ingredients not known • Standardization of products does not occur • Administered form not standard • Dose not standard

  14. Commonly Used Supplements • Traditional medicine origins • Treatments involved herb therapy but also cultural and personal interactions with the healer • Cannot replicate with a pill

  15. Antioxidants • Oxidative damage is a natural event in the body • Enzymes and chelators protect cells from damage • Plant foods contain natural antioxidants

  16. Antioxidants: Polyphenols • Widely found in plant foods • Provide bright colors in food • Potential antioxidants in the body • Best to get from food

  17. Antioxidants: Echinacea • Used to shorten duration of cold and flu and reduce symptoms • Under debate whether it helps fight common cold • People with tuberculosis, leukemia, diabetes, connective tissue disorder, and liver disorders should not take it

  18. Menopause: Red Clover • Used to reduce menopause symptoms (hot flashes) • Side effects include headache, nausea and rash • Do not take with anticoagulants, Tamoxifen, estrogens, hormone replacement therapy or birth control pills

  19. Mental Acuity and Cardioprotective Health: Gingko Biloba • Used to treat circulatory problems and enhance memory. • Side effects include GI upset, headaches, skin reactions, dizziness. • May increase risk of brain hemorrhage and bleeding complications – do not take with blood thinning medications or if you are pregnant or nursing.

  20. Dangerous Supplements • Ma huang • Kava kava • Comfrey • Chapparal • Germander • Lobelia • Wormwood • Yohimbe • Brain-nerve containing products

  21. Who Should Not Take Supplements • Taking medications • Medical treatment available for your medical condition • Pregnant or breast feeding • Prior to surgery • Younger than 18 or older than 65

  22. Misconceptions • Megadosing: The “More is Better” Myth • Not supported by scientific evidence • The “Natural is Safe” Myth • Some of the most toxic substances occur naturally e.g. mushrooms • The “Traditional Medicine” Myth • Not convincing of proof of safety

  23. Conclusion • Supplement to the diet • Vitamins, minerals, botanicals or herbs • Pill, capsule, liquid, or tablet • Not regulated by FDA • Can not be guaranteed safe • Best to get vitamins and minerals from eating a balanced, healthy diet