Vitamin D Calculator
Find your recommended daily Vitamin D intake
Calculate Your Vitamin D Needs
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How to Use the Vitamin D Calculator
The Vitamin D Calculator recommends your daily Vitamin D intake based on age, sun exposure, and skin type to support bone health and immunity.
Step-by-Step Guide
- Enter your age in years (e.g., 30).
- Select your sun exposure: Low, Moderate, or High.
- Select your skin type: Light, Medium, or Dark.
- Click “Calculate Now” to compute your Vitamin D needs instantly.
- Review your Vitamin D intake result in IU per day and supplementation tips.
- Use “Calculate Again” to adjust inputs or try different settings.
The calculator uses guidelines: Adults ≤70 years (600 IU/day), >70 (800 IU/day). Low sun exposure or dark skin increases needs by 20-50%. Results guide supplementation or diet planning.
Use this tool with our Calcium Intake Calculator for optimal bone health or consult a healthcare professional for personalized advice.