Can I take Folic acid and Magnesium together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
There is no known harmful interaction between folic acid and magnesium. In fact, they are often taken together in multivitamins or during pregnancy.
In this article:
Continue reading below
Why this happens
Folic acid (a B vitamin) and magnesium (a mineral) are absorbed and processed by the body through different pathways. They do not interfere with each other's effectiveness or increase the risk of side effects.
What you should do
Back to contentsYou can safely take folic acid and magnesium at the same time. No special precautions are needed.
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 Alcohol and Amitriptyline together?
Combining alcohol with amitriptyline can make you feel much more drowsy, dizzy, and unsteady than usual. It can also significantly slow down your reaction times and impair your coordination. In some cases, it can lead to more serious issues like extreme confusion, difficulty breathing, or fainting.

Treatment and medication
Can I take Allopurinol and Rosuvastatin together?
There is no known direct interaction between allopurinol and rosuvastatin. Both medications are generally safe to take together. However, both drugs can rarely affect the liver or cause muscle-related side effects, so it is important to be aware of any new symptoms.
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.