Containing added citrus bioflavonoids for superior absorption, the original Ester-C¨ 600 formula works to strengthen your immune system, alleviate allergy symptoms, encourage the growth and repair of body tissues and help maintain the integrity of bones, gums and teeth. Ester-C¨ 600 capsules are suitable for use year round, but dosage can be increased during cold and flu season or during times of stress. Adult dosage: Take 1-2 capsules daily or as directed by a health care practitioner. Adult dosage: Take 1-2 capsules daily or as directed by a health care practitioner. Medicinal ingredients: Vitamin C (calcium ascorbate) from Ester-C¨ brand calcium ascorbate 600 mg, Calcium (calcium ascorbate) 72 mg, Citrus bioflavonoids (lemon, grapefruit, orange, mandarin orangeÐfruit) 100 mg, Non-medicinal ingredients: magnesium stearate (vegetable). Capsule shell: hypromellose. Does not contain: Gluten, soy, milk Ideal for Vegans, Vegetarians