Can I take Cod liver oil and Lion's mane together?
Drug interaction guide
Originally published 14 Mar 2026
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Both cod liver oil and lion's mane mushroom have properties that can thin the blood. Taking them together might slightly increase the risk of bruising or bleeding, although this is generally unlikely to be a problem for most healthy people.
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Why this happens
Cod liver oil contains omega-3 fatty acids which reduce the stickiness of blood cells (platelets). Lion's mane contains compounds that may also inhibit platelet aggregation. When used together, they have an additive effect on slowing down blood clotting.
What you should do
Back to contentsThis combination is usually fine for most people. However, if you notice unusual bruising, frequent nosebleeds, or bleeding gums, you should stop taking them and speak to your doctor. If you are scheduled for surgery or are already taking prescribed blood-thinning medications (like warfarin or aspirin), consult your doctor before combining these supplements.
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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.
14 Mar 2026 | Originally published

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