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.
Medicinal
| Vitamin C (calcium ascorbate) from Ester-C® brand calcium ascorbate | 600 mg | 
| Calcium (calcium ascorbate) | 72 mg | 
| Citrus bioflavonoids (lemon, grapefruit, orange, mandarin orange–fruit) | 100 mg | 
Non-Medicinal
Magnesium stearate (vegetable), hypromellose
Contains no
Dairy, wheat, gluten, or soy
Take 1–2 capsules daily or as directed by a health care practitioner