From the Manufacturer What Is Vitamin D3? Basking in the sunshine is one of life's greatest pleasures—and not only does it feel good, it's good for us in moderation, because sunlight prompts our bodies to manufacture the essential nutrient, vitamin D. However, many of us are unable to obtain adequate amounts of vitamin D through natural means. You therefore require a strong vitamin D supplement. Take advantage of this potent, easily absorbed vitamin D mix to ensure you're getting adequate of the sunlight vitamin. Benefits of Vitamin D3 1. An essential vitamin for immunological and bone health2. Assists your brain, heart, and more3. A powerful mixture in a softgel that is simple to swallow Vitamin D3 125mcg (5000 IU) 60ct