Calcium is well-known as a key nutrient for building strong and healthy bones.* But did you know that vitamin D also plays a role in bone health as it aids in calcium absorption?* Another key role of vitamin D is to support immune function, so it makes sense to think about how much time you spend in the sun, as this sunlight exposure on your skin is the way your body naturally makes vitamin D.* Adequate calcium intake in addition to a healthy diet, is especially important for bone health in teenage and adult women.*