Grapefruit Seed Extract With Zinc, Betaglucan & Astragalus

Solaray Grapefruit Seed Extract Immunity Formula combines grapefruit seed extract with vitamins and herbs to support a healthy immune system.

• The description claims that grapefruit seed extract may help support a healthy immune system.
• The description claims that the product is designed to work better when combined with vitamin C, vitamin E, zinc, beta glucan, astragalus, colostrum, and noni.