Kyoufukudou Co., Ltd. is a Japanese online retailer specializing in the Prokion product series and other offerings designed to support men’s vitality and well-being. Its catalogue includes designated quasi-drugs, medicines, supplements, drinks, and related goods.

Featured products include Prokion, Prokion Drink S, Prokion Gold, and Kyokatsujinsan, alongside supplements such as Yell Maca, NO1 Boost, and V&β Support, as well as Prokion Liquid. The company highlights Prokion as a designated quasi-drug and reports that the series has surpassed 1. 5 million units sold.

Customers can browse product information and purchase items through the official online store, with subscription plans available for selected products and discounts advertised on some offers. The site also provides customer guidance on payment, shipping and fees, returns, recurring orders, and account management. Support is available through an automated chat service, an online inquiry form, and a customer service telephone line during stated business hours.

Kyoufukudou also shares articles, frequently asked questions, customer feedback, and information about its safety initiatives