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Vitamin D is a fat-soluble vitamin that functions as a hormone, playing critical roles in calcium and phosphorus homeostasis, bone health, immune function, and cell growth regulation. It can be synthesized in the skin upon exposure to UVB sunlight and must be obtained from diet or supplements in most populations. Vitamin D deficiency is a global health concern affecting approximately 1 billion people worldwide.
Vitamin D is a fat-soluble vitamin that functions as a hormone, playing critical roles in calcium and phosphorus homeostasis, bone health, immune function, and cell growth regulation. It can be synthesized in the skin upon exposure to UVB sunlight and must be obtained from diet or supplements in most populations. Vitamin D deficiency is a global health concern affecting approximately 1 billion people worldwide.
Contextually connected pathways expanding from Vitamin D
Discover rich dietary food sources, natural bioavailability, and nutrient pairings for Vitamin D.
Learn physiological roles, absorption factors (enhancers & inhibitors), and take the quiz.
Review clinical studies, safety thresholds, and medical references.
⚠️ Disclaimer: This information is for educational purposes only. Always consult a healthcare professional for medical advice.
