Bullet Points : 1 > Shiitake Extract Is An Excellent Immune System Booster 2 >Enhances Cellular Defenses 3 >Delivers 1,000 Mg Of Shiitake Mushrooms Extract Per Serving 4 >Per Gmp Guidelines Set Forth By The Fda, Most Products Are Formulated For 24 Months From The Date Of Manufacture. Liquids And Probiotics Are Formulated For 12 Months Description : Swanson Shiitake Mushroom Extract (4:1) 500 Milligrams 120 Capsules