caffeine

The ketogenic diet is superior for keeping body fat levels low and does still enable you to build muscle, just at a slower rate.
Flashy supplements may work (or not), but one thing is sure, you are paying hefty fees for their marketing campaigns.
There are a few simple, commonplace foods that may be the culprit behind your latest migraine.
Research on the use of caffeine for strength has been a mixed bag. A new study sheds some light on how caffeine affects lifting.