Vitamin D3 is a powerhouse that aids in healthy bones, hormones and immune function, and maintaining optimal levels can contribute to an overall sense of well-being (more 'Om,' less 'Um?').* MegaFood Vitamin D3 2000 IU (50 mcg) is delivered with organic whole foods that provide synergistic cofactors.* This D3 supplement can be taken any time of the day, even on an empty stomach.