Vitamin D3 supplements are an efficient way to raise vitamin D levels when sun exposure or food choices aren't enough. Vitamin D is essential for strong bones, because it helps the body to use calcium from the diet. PRODUCT FEATURES Highly bioavailable formula* Maintains healthy bones and teeth Healthy muscle function Better absorption - through mouth mucosa directly into bloodstream Tastes good Tooth-kind formula (sugar-free) Long lasting Airless bottle 215 daily dosages