Quick Answer
Use iHerb discount code KHQ339 at checkout.
Immune HealthGentle on the StomachVitamin SupplementSupports Immune System Function and Antioxidant ReserveBuffered with Minerals to Prevent Potential Stomach UpsetHelps Combat Free Radical DamageScience-Backed Quality Since 1969For a powerful boost of antioxidant protection that won't upset your stomach Swanson Buffered C with Bioflavonoids is an excellent choice. It features a unique form of vitamin C that's bonded to calcium through a special process that neutralizes the vitamin's acidity making it gentler on the stomach—but that's not all. Each capsule also includes 200 mg of natural citrus bioflavonoids that promote efficient assimilation of vitamin C and enhance its antioxidant potency.