Niacin contributes to normal functioning of the nervous system.Recommended use: Shake well before using. Spray 3 ml (2 to 5 sprays) under your tongue about 15 minutes before desired effect. Do not take more than 3 ml within 24 hours. Do not exceed the recommended daily serving. This is a herbal vitamin and amino acid preparation. A food supplement should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Keep out of reach of children. Store in a cool, dry place.