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Immune Health400 mg Per CapsuleHerbal SupplementBoosts Antioxidant ActivitySupports the Body's Natural DefensesSupports Immune HealthScience-Backed Quality Since 1969Support your body's defenses with time-honored Echinacea from Swanson! Also known as the purple coneflower this powerful plant is packed with antioxidants! You may recognize its spiky head and purple petals in area gardens but it's been used for hundreds of years as an immune-supporting herb thanks to its polysaccharides alkamides and flavonoids. Each capsule contains 400 mg of echinacea.