artate Calcium Orotate Tablets from Plenum Biotech that is used to increase bone density, manage osteoporosis 3C3-123 tablet is a brand name of Calcium Citrate Calcium Aspartate and Calcium Orotate tablets are a high-bioavailability, multi-source calcium supplement. It is used for treating nutritional deficiencies and used to increase bone density, strengthen teeth, and manage conditions such as osteoporosis (weak and brittle bones), osteomalacia/rickets (weak bones).