Can I Take Vitamin A and Vitamin D Together? Safety Check

Check if you can take Vitamin A and Vitamin D together. See interaction data, 5-regional dosage standards (FDA/EFSA/TGA/CNS/MHLW), and expert recommendations.

Quick Answer

Based on our database, there are no known harmful interactions between vitamin a and vitamin d. However, this does not guarantee safety — consult a healthcare provider.

Safe Dosage Comparison (5 Regional Standards)

Standardvitamin avitamin d
US (FDA)900 / 3000 mcg
(RDA/UL)
600 / 4000 IU
(RDA/UL)
EU (EFSA)900 / 3000 mcg
(RDA/UL)
600 / 4000 IU
(RDA/UL)
AU (TGA)900 / 3000 mcg
(RDA/UL)
600 / 4000 IU
(RDA/UL)
CN (CNS)800 / 3000 mcg
(RDA/UL)
400 / 800 IU
(RDA/UL)
JP (MHLW)900 / 2700 mcg
(RDA/UL)
600 / 4000 IU
(RDA/UL)

Values shown as RDA (Recommended Dietary Allowance) / UL (Tolerable Upper Intake Level). Sources: NIH, FDA, EFSA, FSANZ, CNS, MHLW.

Frequently Asked Questions

Can I take vitamin a and vitamin d together?

Based on our database of supplement interactions, no known interaction exists between vitamin a and vitamin d. This means they are generally safe to take together at recommended doses. However, this does not guarantee safety — always consult your healthcare provider, especially if you take medications or have health conditions.

What is the recommended dosage for vitamin a and vitamin d?

Dosage recommendations vary by region. Check the dosage table on this page for specific RDA (Recommended Dietary Allowance) and UL (Tolerable Upper Intake Level) values from FDA, EFSA, TGA, CNS, and MHLW standards. Do not exceed the UL for either supplement.

Taking More Supplements?

This page only checks one pair. Use NutriAudit to check your full supplement stack for interactions, duplicates, and safe dosages.

Not medical advice. Always consult a qualified healthcare professional for personal medical decisions.