Grapefruit Seed Extract 100 mg 100 Caps

What the brand says

Reinforce your body's natural resistive functions with Swanson Grapefruit Seed Extract! Powerful compounds found in grapefruit seeds work naturally within the body to support the immune system and keep you feeling your best. Each capsule contains 100 mg of 20:1 extract and 400 mg of grapefruit seed powder.