Manufacturer's Description: Vitamin C is perhaps the most popular vitamin known to man. It is consumed in a supplemental form by millions of people across the world for its antioxidant properties, which are well-documented in medical research. C-1000 provides a potent dosage of this key vitamin and is blended with Bioflavonoids, which help promote the function of Vitamin C,. Supplement Facts Serving Size:1 cap Servings per Container: 250 Ingredient Amount % Daily Value** Vitamin C (Ascorbic Acid) 1g 1670 Citrus Bioflavonoids 100mg † Rutin 25mg † ** Percent Daily Value is based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. † Daily Value not established. Ingredients: Other Ingredients: Magnesium stearate Manufacturer's Directions: As a dietary supplement, take one capsule daily, preferably with meals.