PROPERTIESIt is a specific combination of B vitamins, vitamin C, essential minerals and guarana of natural origin specially developed that: Helps a better functioning of the mind Promotes adequate intellectual performance and reduces the feeling of mental fatigue Promotes attention, concentration and memory. Rapid onset of action and just when needed Works in 30 minutes Has a BOOST EFFECT. Thanks to guarana, a natural energizer, which acts synergistically with B vitamins promoting an increase in attention and concentration and reducing the feeling of mental fatigue. INDICATED FORStudents (exams, competitive examinations). Active professionals who want to perform at their best (before presentations, meetings, conferences) Before a professional interview. HOW TO USE Adults: take 1 effervescent tablet a day dissolved in a glass of water