This infusion is pure herbal power from sun-charged wild Mediterranean yarrow, the most potent yarrow known. Yarrow is highly cleansing. This is why it is ideal. Yarrow has been used for better health for thousands of years. In the middle ages it was famous for health support. Yarrow-Yes is a natural but pleasant bitters to strengthen and cleanse the whole system. Drink your Yarrow-Yes infusion, and feel the difference.