Can I take Vitamin b complex and Vitamin c together?
Drug interaction guide
Originally published 25 Jan 2026
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There is no harmful interaction between Vitamin B complex and Vitamin C. In fact, these water-soluble vitamins are often found together in the same supplement (such as Berocca or multivitamin tablets) because they work well together to support energy levels and the immune system.
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Why this happens
Both Vitamin B complex and Vitamin C are water-soluble. This means they do not build up in the body; instead, the body uses what it needs and flushes out any excess through urine. They do not interfere with each other's absorption or metabolism.
What you should do
Back to contentsIt is perfectly safe to take these together. For the best absorption, take them with a glass of water. Since Vitamin B can sometimes be stimulating, taking them in the morning is usually best to avoid any disruption to your sleep.
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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.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
25 Jan 2026 | Originally published
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