Caffeine powder OstroVit OstroVit Caffeine is the highest-quality dietary supplement containing caffeine in the form of a powder. The product was created for all people who need stimulation. The product is especially recommended for athletes, drivers and people who need additional energy injection during study or work. Caffeine works by stimulating the central nervous system, increasing concentration and improving mood. What's more, caffeine accelerates heart activity, increases the strength of its contraction and increases the metabolic rate. Caffeine has stimulant properties by acting on the cerebral cortex. It reduces fatigue and weariness and extends the time of concentration and better focus

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