Synergistic herbs to support healthy immune system function. Suggested Use: As a nutritional supplement, take one teaspoon 2 times daily, or as directed by your healthcare professional. Serving Size: One Teaspoon (4.9 mL) Amount Per ServingEchinacea angustifolia Aerial Parts & Root Extract (1:1) … 1.72mL St. John’s WortFlowering Tops Extract (1:1) … 1.72mL (Hypericum perforatum) Phyllanthus amarus Aerial Parts Extract (1:1) … 1.46mL Other Ingredients: Ethanol (30%) and purified water. This product is Gluten Free and Vegetarian.