A vitamin D push, also sometimes called vitamin D loading, refers to a course of high-dose vitamin D supplements taken over a short period to quickly raise vitamin D levels in the body. This is typically done for people who have been diagnosed with a vitamin D deficiency.
Here are some of the benefits of vitamin D:
Strong bones: Vitamin D helps your body absorb calcium, which is essential for building and maintaining strong bones.
Healthy immune system: Vitamin D may help to protect you from illness by boosting your immune system.