Pro Plus contains caffeine, a stimulant that can help to maintain mental alertness and make you feel less tired. Take 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. Each tablet contains 50mg caffeine anhydrous and sorbitol.