Our Black Walnut Hulls provide anti-parasitic and anti-fungal benefits, making them ideal for treating digestive health issues. All natural, these hulls can be used in herbal teas to provide effective relief. Uses: 1/2 teaspoon to make tea. Do not use more than 2 weeks at a time. Not recommended for nursing and pregnant women. Can be used as replacement for coffee. Contains 04 ounces.