You can buy this gel on the manufacturer’s official website, the product site, and from one or two other online retailers. It’s not available in stores. On the offical site, U.S residents get free shipping for orders over $200. At the moment, they are offering a summer sale with great prices. If you buy in bulk, you save even more. Here is the price list: 1 Month – $63.82 3 Months – $140.35 6 Months – $268.05