Gensai Co., Ltd., a long-established calcium company, proudly introduces ``New Yakumo Weathered Shell Calcium'', a product that has been made into ultra-fine particles from Yakumo Weathered Shell Calcium, which has been used as a raw material for many years, and has dramatically increased its absorption capacity. Even with a small amount of intake, you can work on bone building in a short period of time! There are clinical results that have shown results in just six months or a year. We are currently accepting PB/OEM orders.