Pro Plus contains caffeine, a stimulant that can help to maintain mental alertness and make you feel less tired. Adults and children over 16 years: 1 to 2 tablets with water if preferred, as required during the day. Do not exceed two tablets in three hours, or 8 tablets per day. Unsuitable for children under 16 years. If tiredness persists consult your doctor. Medicinal product. For the relief of temporary tiredness. Active ingredients, each tablet contains 50mg caffeine anhydrous. Also contains sorbitol. Please read enclosed leaflet carefully before use. Do not give to children under 16 years old. Store out of reach and sight of children.