When you need a concentrated shot to boost your focus, choose this handy little one-shot energy boost. It's concentrated for your concentration! No sugars, so you won't wreck your diet. Just pure, natural energy to help you improve physical performance, focus more sharply, and get the job done. Just 4 calories per serving, and plenty of B-Vitamins to support your active body and mind. When you need a concentrated shot to boost your focus, choose this handy little one-shot energy boost. It's concentrated for your concentration! No sugars, so you won't wreck your diet. Just pure, natural energy to help you improve physical performance, focus more sharply, and get the job done. Just 4 calories per serving, and plenty of B-Vitamins to support your active body and mind.