ABSTRACT
Introduction ............................................................................................................ 154 What Are Dietary Supplements? ............................................................................ 154 Prevalence and Sales Figures ................................................................................. 154 Reasons for Use ..................................................................................................... 156 Mechanism of Action ............................................................................................. 156 EfŠcacy .................................................................................................................. 158
Guar Gum .......................................................................................................... 158 Chromium Picolinate ........................................................................................ 158 Ephedrine .......................................................................................................... 159 Citrus aurantium (Bitter Orange) ...................................................................... 159 Conjugated Linoleic Acid ................................................................................. 159 Calcium ............................................................................................................. 160 Glucomannan .................................................................................................... 160 Chitosan............................................................................................................. 160 Camellia sinensis (Green Tea) .......................................................................... 160 Garcinia Extracts (Hydroxycitric Acid) ............................................................ 160 Pyruvate ............................................................................................................. 161 Psyllium............................................................................................................. 161 Hydroxymethylbutyrate .................................................................................... 161 Pausinytalia yohimbe (Yohimbe) ...................................................................... 161
Safety ..................................................................................................................... 162 Guar Gum .......................................................................................................... 163 Chromium Picolinate ........................................................................................ 163 Ephedrine .......................................................................................................... 163 Citrus aurantium (Bitter Orange) ...................................................................... 163 Conjugated Linoleic Acid ................................................................................. 163 Glucomannan .................................................................................................... 164 Chitosan............................................................................................................. 164 Camellia sinensis (Green Tea) .......................................................................... 164 Garcinia Extracts (Hydroxycitric Acid) ............................................................ 164 Hydroxymethylbutyrate .................................................................................... 164 Yohimbe ............................................................................................................ 164 Pyruvate ............................................................................................................. 165
Overweight and obesity are important risk factors for a wide range of serious diseases and have thus become topical issues of immense concern (Ogden et al. 2007). The prevalence of these conditions has increased remarkably, and measures put in place seem to have not, to date, successfully addressed the epidemic.
