Can I take Folic acid and Vitamin d together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
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.
In this article:
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
Back to contentsIt 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
Back to contentsTaking 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.
Patient picks for Drug interactions
Treatment and medication
Can I take Amlodipine and Ginseng together?
Taking ginseng while on amlodipine may cause your blood pressure to drop lower than intended, or it could potentially make the amlodipine less effective. Some people experience symptoms like dizziness or light headedness, while others may find their blood pressure readings become less stable.
Treatment and medication
Can I take Amlodipine and Garlic supplements together?
Taking garlic supplements alongside amlodipine may cause your blood pressure to drop lower than intended. This could make you feel dizzy, lightheaded, or faint, especially when standing up quickly. Garlic may also slightly increase the risk of bruising or bleeding.
Continue reading below
Article history
The information on this page is written and peer reviewed by qualified clinicians.
25 Jan 2026 | Originally published
Ask, share, connect.
Browse discussions, ask questions, and share experiences across hundreds of health topics.
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.
By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.