A Guide to Understanding Dietary Supplements

Written by one of the foremost experts on sports nutrition and performance, A Guide to Understanding Dietary Supplements takes a critical look at the dietary supplement industry. With an estimated 60 percent of adult Americans using dietary supplements every day, the need for a thorough examination of the hundreds of products on the market is long overdue. This comprehensive guide (Selected as an Outstanding Academic Title by Choice Magazine) presents straightforward analysis from a consumer's perspective, giving you the facts on more than 140 supplements and information on which supplements work (and which don't!) for a wide range of health conditionsfrom preventing cancer and heart disease to fighting diabetes and depression.United States Department of Agriculture surveys show that more than 70 percent of Americans fail to achieve daily recommended levels for many vitamins and minerals. With today's emphasis on fitness, millions are investing their money and health in quick-fix solutions-supplements promoted as cure-alls to right nutritional wrongs, lower the likelihood of disease, and work dietary miracles. A Guide to Understanding Dietary Supplements presents a more realistic view of supplements as neither miracle cure nor nutritional sham, but as consumer products to be accepted or rejected based on scientific fact, not fitness fantasy.A Guide to Understanding Dietary Supplements looks at the pros and cons of dietary supplements in the areas of: - weight loss - bones and joints - energy, brain, and mood - heart, eye, and gastrointestinal health - male and female health - cancer, diabetes, and the immune system - sports and ergogenic aids In addition, the book presents an overview of the dietary supplement industry and the regulations that govern it and looks at the process for developing new products. Designed to cut through the confusion surrounding dietary supplements, A Guide to Understanding Dietary Supplemens is an invaluable resource for students, educators and professionals who deal with nutrition, exercise, physical education, nursing, and anyone else interested in health and fitness.

Shawn M Talbott

* Foreword * Foreword * Preface * Acknowledgments * Chapter 1. Overview of the Dietary Supplement Industry and the Dietary Supplement Health and Education Act * Introduction * What Are Dietary Supplements? * Why Are Dietary Supplements So Popular? * DSHEA * Sources for Additional Information on Dietary Supplements * Chapter 2. The Product Development Process for Dietary Supplements * Introduction * Drug Development As a Model for Dietary Supplements * Consumer Product Development As a Model for Dietary Supplements * New Product Development Approaches * Adapting the NPD Process * Encouraging Creativity * Summary * Chapter 3. Critical Evaluation of Dietary Supplements * Introduction * History of Use and Safety * Claims Substantiation * Scientific Support * Third-Party Screening of Dietary Supplements * Putting Dietary Supplement Claims into the Proper Perspective * FDA Guidance on Scientific Review of Health Claims * Advertising and Claims Substantiation for Dietary Supplements * Chapter 4. Supplements for Weight Loss * Introduction * Exercise versus Diet * Step Far Away from the Cheesecake * Supplements That May Help * Summary * Conjugated Linoleic Acid (CLA) * Hydroxycitric Acid (HCA) * Chitosan * Glucomannan/Konjac * Ma Huang/Ephedra * Guarana * Synephrine/Zhi Shi * Carnitine * Pyruvate * Bladderwrack * White Willow * Chapter 5. Sports Supplements and Ergogenic Aids * Introduction * Supplements to Use with Exercise * Functional Categorization of Sports Supplements * Summary * Creatine * Ribose * Amino Acids * Branched-Chain Amino Acids (BCAAs) * Androstenedione * Dehydroepiandrosterone (DHEA) * Beta-Hydroxy Beta-Methylbutyrate (HMB) * Tribulus terrestris (Puncture Vine) * Cordyceps sinensis * Glycerol * Ornithine Alpha-Ketoglutarate (OKG) or Alpha-Ketoglutarate (AKG) * Gamma-Oryzanol/Ferulic Acid/Rice Bran Oil * Medium-Chain Triglycerides (MCTs) * Sodium Bicarbonate * Protein Supplements * Whey Protein * Carnosine * Proteolytic Enzymes * Chapter 6. Supplements for Boosting Energy Levels * Introduction * Daily Eating Strategies * Rest * Supplements * Ginseng * Royal Jelly * Bee Pollen * B-Complex Vitamins * Vitamin B1 (Thiamine) * Vitamin B2 (Riboflavin) * Rhodiola * Nicotinamide Adenine Dinucleotide (NADH) * Sea Buckthorn * Brewer's Yeast * Inosine * Chapter 7. Supplements for Bone Health * Introduction * Factors Associated with Skeletal Health * Dietary Supplements for Healthy Bones * Calcium * Magnesium * Boron * Vitamin D * Vitamin K * Chapter 8. Supplements for Joint Health * Introduction * Causes of Arthritis and Conventional Treatments * Practical Advice * Contributing Factors * Dietary Supplements * Summary * Glucosamine * Chondroitin Sulfate (CS) * Boswellia (Boswellia serrata) * Methylsulfonylmethane (MSM) * Hydrolyzed Collagen Protein (HCP)/Gelatin * Devil's Claw * Green-Lipped Mussel * Sea Cucumber * Chapter 9. Supplements for Mood and Brain Health * Introduction * The First Step-Diet and Exercise * Dietary Supplements * St. John's Wort * 5-Hydroxytryptophan (5-HTP) * Phenylalanine/D,L-Phenylalanine (DLPA) * Phosphatidylserine (PS) * Choline * Ginkgo Biloba * Huperzine A (HupA) * Vinpocetine * Kava-Kava * S-Adenosylmethionine (SAMe) * Valerian * Melatonin * Feverfew * Chapter 10. Supplements for Heart Health * Introduction * Opening Blood Vessels * Strengthening the Heart Muscle * Controlling Free Radical Damage * Summary * Red Yeast Rice (RYR) * Soy * Essential Fatty Acids and Omega-3 Fatty Acids * Garlic * Hawthorn * Coenzyme Q10 (CoQ10)/Ubiquinone * Vitamin B6 * Vitamin B12 * Folic Aci