1, star shark vitamin D3 uses vitamin D3 as the main component, not vitamin D2. Vitamin D3 is easier to be absorbed and utilized by human body, which is more friendly to human body. It is sold in the form of soft capsules or drops, which is very convenient to use. Especially for children and the elderly who need accurate measurement, the form of drops is more accurate to use.

Vitamin D3 plays an important role in the immune system, which can enhance immune function, help the body resist diseases and infections, promote the absorption and utilization of calcium, and help keep bones healthy. It can improve the absorption rate of calcium in intestine, thus increasing the supply of calcium.