This document provides nutritional information and dosage recommendations for a vitamin D3 supplement. It summarizes the benefits of a nano-particle form of vitamin D3, which has improved bioavailability over traditional vitamin D3 due to its small size and hydrophilicity. International recommendations for daily vitamin D3 intake range from 4000 to 10000 IU, while the supplement described here contains 2000 IU per capsule and is recommended as a daily dose.