Jarrow Formulas, Los Angeles, CA, has launched Vitamin D3 5000 IU, a dietary supplement available in soft gel form that utilizes cholecalciferol to ensure the delivery of a high quality, bioavailable form of vitamin D. The product contributes to the required daily intake of vitamin D and aids in healthy bone development, remodeling and maintenance, as well as healthy immune function and cell protection in both the young and the old, according to the company.