Just bought something for the first time and don't like it? That's ok, we've got you covered. Email CustomerService@ZhouNutrition.com with your order number and your negative experience. We'll promptly issue a refund.

In our experience, it only takes a single container to know whether or not you like a product. For that reason, our guarantee is only valid for your first purchase of any of our products up to 60 days after your purchase.