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Essential Vitamin D: Benefits, Risks, and Food Sources

10/28/2025

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Story summary
  • Vitamin D is essential for health, especially during winter when sunlight exposure decreases.
  • Foods rich in vitamin D include fortified orange juice, milk, cereals, beef liver, sardines, herring, and mushrooms.
  • Excessive intake from supplements can lead to hypercalcemia, with symptoms such as nausea, confusion, and heart issues.
  • Experts recommend assessing vitamin D needs via blood tests and maintaining moderation in supplementation, ideally paired with magnesium or vitamin K2 for absorption.