. Added calcium contributes to the proper metabolism important for energy production, to the normal functioning of muscles.Scitec Nutrition Super Guarana 100 tablets Guarana is a natural source of caffeine, alkaloids (xanthine, theophylline and theobromine) as well as polyphenols. It contains about twice as much caffeine as coffee beans.

.

Scitec Nutrition Super Guarana 100 tablets Guarana is a natural source of caffeine, alkaloids (xanthine, theophylline and theobromine) as well as polyphenols..