Skip to main content

Can I take Folic acid and Vitamin d together?

Drug interaction guide

There are no known harmful interactions between folic acid (Vitamin B9) and Vitamin D. In fact, these two vitamins are frequently taken together in multivitamins and prenatal supplements.

Continue reading below

Why this happens

Folic acid and Vitamin D are processed by the body through different pathways. They do not compete for absorption in the gut, nor do they interfere with how each other is broken down or used by the body's cells.

What you should do

It is safe to take folic acid and Vitamin D at the same time. Always follow the dosage instructions on the packaging or those provided by your healthcare professional.

Continue reading below

Using other medicines

Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Disclaimer

This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.

Continue reading below

Article history

The information on this page is written and peer reviewed by qualified clinicians.

  • 25 Jan 2026 | Originally published
flu eligibility checker

Ask, share, connect.

Browse discussions, ask questions, and share experiences across hundreds of health topics.

symptom checker

Feeling unwell?

Assess your symptoms online for free

Sign up to the Patient newsletter

Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.

Please enter a valid email address

By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.