UAN: Article type:++add book link at top++ --This is adapted from the book, Eat Smart, Play Hard, by RW USA Nutrition Editor Liz Applegate. Creatine may be one of the best-selling supplements ever, with more than $100 million in annual sales

sources include peanuts, spinach, beans, bran, beef, sardines and mackerel Increased intake enhances release of energy from cells InconclusiveCreatine Helps to fire up muscles during high-intensity exercise Protein-like substance found in body; food

that andro, along with the supplement creatine, helped him to build muscle mass. Andro quickly sold out of stores while scientists tried to find out whether the supplement worked and if it was safe.In both cases, the verdict was no. Natural androstenedione

.AndrostenedioneBranched-Chain Amino AcidsCalciumCarbohydrateChromiumCreatineFat BlockersFat BurnersFish OilFolate (Folic Acid)GinsengGlucosamine and Chondroitin SulfateGlutamineIronMagnesiumPhytochemicalsProteinPyruvateSodium BicarbonateVitamin CVitamin EWhey ProteinZinc