Bodybuilding Supplements

creatine protein shakes
Do items like Powerbars, Creatine, Whey, and protein shakes really work?

Which Powerbars or other items are best? And for someone like me, who works out casually and is looking to get toned and lean, not huge or bodybuilder-like, are they necessary?

Powerbars are only a substitute when you cannot have whole foods. [...]