Our vitamin D3 is sourced from cholecalciferol, the most bioavailable source of the vitamin, for optimum bone strength and immunity support. It assists the body’s natural ability to absorb calcium, magnesium and phosphorus and helps form the vital proteins that build bone density. The most natural way to get Vitamin D is through sun exposure, but long winter months can leave many people deficient. Our vitamin D3 provides complete care year round. Made with no preservatives, dairy or soy, it’s an excellent way to support overall strength, wellness and vitality. What’s in it: vitamin D3 as cholecalciferol. What’s not in it: artificial colors, flavors, preservatives, soy or dairy. It’s all good: This product is free of gluten and preservatives.