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![FireNewz Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1530638279195996165.png) 🔥Fire Newz [@FireNewz](/creator/twitter/FireNewz) on x 231.4K followers
Created: 2025-07-16 10:45:24 UTC

☀️ Unlike traditional vitamins, which must be obtained through diet, vitamin D can be synthesized in the skin upon exposure to ultraviolet B (UVB) radiation. 

“Once formed, it behaves like a hormone, binding to the vitamin D receptor (VDR) in various cells and influencing gene expression.”

“This hormonal activity allows it to regulate essential functions, including calcium and phosphate absorption, which are crucial for bone health and overall metabolic stability.”

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**Related Topics**
[vitamins](/topic/vitamins)

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