Vitamin A Calculator
Convert vitamin A forms (IU to RAE) and calculate daily requirements for optimal health
Calculate Your Vitamin A Intake
Vitamin A Sources (in International Units - IU)
Retinol (Animal Sources)
Found in: liver, fish oils, milk, eggs, butter, cheese
Dietary Beta-Carotene (Plant Sources)
Found in: carrots, sweet potatoes, spinach, kale, pumpkin, cantaloupe
Supplemental Beta-Carotene
From vitamins and supplements containing beta-carotene
Alpha-Carotene & Beta-Cryptoxanthin
Found in: orange and yellow fruits, red peppers, tomatoes, mangoes
Vitamin A Analysis Results
Vitamin A Status
Deficient
Upper Limit (UL)
3000 μg RAE
Vitamin A Source Breakdown
Health Recommendations
RDA Reference Chart
IU to RAE Conversion
Vitamin A Tips
Essential for vision, immune function, and cell growth
Carotenoids from plants are safer than preformed vitamin A
Fat-soluble vitamin - take with meals containing fat
Excessive preformed vitamin A can be toxic
Understanding Vitamin A
What is Vitamin A?
Vitamin A is a fat-soluble vitamin essential for vision, immune function, reproduction, and cellular communication. It exists in two main forms: preformed vitamin A (retinol) from animal sources and provitamin A carotenoids from plant sources.
Health Benefits
- •Essential for normal vision, especially in low light
- •Supports immune system function
- •Important for cell growth and differentiation
- •Maintains healthy skin and mucous membranes
Best Food Sources
Preformed Vitamin A (Retinol)
Liver, fish oils, milk, eggs, butter, cheese
Provitamin A (Carotenoids)
Carrots, sweet potatoes, spinach, kale, pumpkin, cantaloupe, mango, apricots
Safety Note
Excessive intake of preformed vitamin A can cause toxicity. Carotenoids from plants are much safer as the body converts only what it needs to active vitamin A.
⚠️ Medical Disclaimer
This calculator is for informational purposes only and should not replace professional medical advice. Consult with a healthcare provider before making significant changes to your vitamin A intake, especially if you're pregnant, breastfeeding, or taking medications. Individual nutritional needs may vary based on health conditions and other factors.