This supplement will make you Bigger, Leaner, Faster and Stronger! Or will it? Nutritional supplements are a multi-million dollar industry, and chances are you, or someone you know, is taking one or more supplements to get that competitive edge. This article will help you sift through some of the evidence of
Caffeine Boost A: Yes. Research shows that caffeine is ergogenic—it targets the brain and nervous system to resist fatigue during a workout. The key is using it correctly and not overdoing it, which can lead to jitters, anxiety, a racing heart, and trouble sleeping at night.