Can I take Cod liver plus omega fish oil and Vitamin d plus k2 together?

Why this happens

This is an 'additive' interaction. Both products provide Vitamin D, which can build up in the body because it is fat-soluble. Both fish oil and Vitamin K2 have effects on blood thinning and clotting (fish oil can slightly thin the blood, while K2 helps regulate clotting proteins), though they usually balance each other out.

Check the labels of both supplements to calculate your total daily intake of Vitamin D. For most adults, the total should not exceed 100 micrograms (4,000 IU) per day unless specifically advised by a doctor. If you are taking blood-thinning medication (like warfarin), speak to your GP before taking Vitamin K2 or fish oils.

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.