Vitamin D Intake Calculator
Health & FitnessFind your recommended daily vitamin D intake for general prevention, based on age and life stage.
Recommended Daily Intake
General preventive vitamin D intake recommendation for a healthy person at this life stage.
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Odeh Ahwal0people find this calculator helpful
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Saved
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Frequently Asked Questions
Does this cover vitamin D deficiency treatment?
No. This calculator gives general preventive intake guidance for healthy individuals only. If you have been diagnosed with a vitamin D deficiency, treatment dosing is meaningfully higher and should be determined by your doctor based on your specific blood test results.
Why do recommendations differ by age?
Vitamin D needs increase somewhat for infants (whose overall nutrient needs are being established) and for adults over 70 (whose skin is less efficient at producing vitamin D from sunlight and who have a higher risk of bone-related conditions).
Why is pregnancy grouped with the general adult recommendation?
Standard preventive vitamin D guidelines generally keep pregnant and breastfeeding individuals at the same intake level as other adults aged 1 to 70, though your own doctor may recommend differently based on your individual health.
Can I get too much vitamin D?
Yes, vitamin D toxicity is possible with very high supplement doses over time. This calculator reflects standard preventive intake levels, not an upper safety limit, and high-dose supplementation should be discussed with a doctor.
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