Description: Melatonin PR 3 mg 180 tabs This item is not available for shipment to Canada. Each Prolonged-Release Bisect Tablet Contains: Melatonin (purest pharmaceutical grade) In a proprietary-designed polymeric base formulated to release over a 6 to 8 hour period 3 mg. Other ingredients: Cellulose, silica and vegetable stearate Suggested Usage: Adults take 1 tablet 1 hour before bedtime as directed by physician only. The product contains NO yeast, wheat gluten, soy protein, milk\dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.