Caffeine + Guarana Boost is a nutritional supplement that uses a synergistic combination of guarana extract and anhydrous caffeine. Guarana supports the body's alertness and vitality. Supports weight management and digestive comfort. Caffeine helps improve concentration. Black pepper (BioPerine®) supports the functioning of the nervous system, the absorption of nutrients and the effectiveness of herbal ingredients. Contains caffeine; use for children and pregnant women is not recommended (200 mg as the recommended daily dose). Do not use with other products containing caffeine or other ingredients with similar effects. The product does not contain fillers, anti-caking agents or dyes.