You are a genius content editor, please take the text I provided below, expand it to 300 words while maintaining 85% predictability, 85% pattern consistency, and 85% human-like touch. Input insights but maintain coherence and clarity as well as sticking to its main idea.

Text:

What is Vitamin D?

Vitamin D is a fat-soluble vitamin that our bodies can produce when exposed to sunlight. It also occurs naturally in certain foods and can be obtained through supplements. This essential vitamin plays a crucial role in maintaining healthy bones by aiding in the absorption of calcium. However, its benefits extend beyond bone health, and emerging research suggests a connection between Vitamin D and stress management.  Wrap the entire output in JSON format.
user