Can I take 50 and Statins together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
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Taking 5-HTP with certain statins (specifically those broken down by the CYP3A4 enzyme) may increase the risk of a rare but serious muscle condition called rhabdomyolysis. It may also increase the risk of 'serotonin syndrome' if you are taking other medications that affect serotonin levels.
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Why this happens
5-HTP can interfere with the liver enzymes (specifically CYP3A4) that break down certain statins like atorvastatin, simvastatin, and lovastatin. This can cause the level of the statin to build up in your blood to dangerous levels. Additionally, both substances can influence serotonin pathways, though the muscle risk is the primary concern.
What you should do
Back to contentsSpeak to your doctor or pharmacist before combining 5-HTP with a statin. If you are already taking them together, watch for unexplained muscle pain, tenderness, or weakness, as well as dark-coloured urine. If you experience these symptoms, stop taking the medication and seek medical advice immediately.
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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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