☀️ Vitamin D Calculator
Calculate appropriate dosage to treat vitamin D deficiency
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Frequently Asked Questions
Fatigue, bone pain, weak immunity, hair loss, and depression.
600-800 IU for adults. Those deficient may need 2000-5000 IU.
Sun (15-20 min daily), fatty fish, egg yolks, and fortified milk.
Very common despite sun! Most people avoid sun due to heat.
Simple blood test (25-hydroxy vitamin D). Normal level is 30-100 ng/mL.