Supplements and Paracetamol.
Paracetamol, sold under the brand names Panadol, Calpol, is an analgesic.
Paracetamol is an analgesic. The class is broad in UK community use, ranging from paracetamol (the dominant agent) through topical preparations and combination products that pair a weak opioid alongside paracetamol or an NSAID. Paracetamol acts centrally rather than at the peripheral COX inhibition that drives NSAID analgesia. That means it does not carry the gastric, renal, antiplatelet, or antihypertensive blunting concerns of the NSAID class. The supplement surface for paracetamol centres on hepatic load. Chronic paracetamol at high doses alongside alcohol, isoniazid, or supplements with significant CYP2E1 or hepatic effect can drive hepatotoxicity. NAC is the antidote in paracetamol overdose. At therapeutic doses, paracetamol is among the cleanest analgesics on interaction profile. The BNF flags only the chronic anticoagulant interaction at high doses, with a small INR effect on warfarin.
We have not yet completed an explicit assessment of supplement interactions with Paracetamol in the Distil database. That is different from saying nothing exists. We surface this distinction deliberately: the Distil checker tells you when we have explicitly assessed a pair and when we have not, because both are useful information. If you take Paracetamol alongside a supplement, the checker below will surface anything already in our database, and the missing-item form at the bottom of the page routes uncatalogued pairs into our next curation pass.
What this list does not say. Pairs not flagged here are not implicitly safe. They are either not yet in our database, or fall outside our inclusion scope (food-supplement interactions only; for drug-drug interactions, the BNF is authoritative). Use the checker below to surface any supplement, and submit a missing item if you take something we have not catalogued.
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How we grade severity, choose what's in scope, and what we exclude.
Every call on this page is reasoned. We publish the full rubric for severity tiers, the medication inclusion logic, the evidence grades we accept, and what we deliberately leave out. About three thousand words. Worth reading once if you use this tool more than occasionally.
Read the full methodologyA full supplement review, built around you, not a generic stack.
The free checker answers one interaction question at a time. A Distil report reviews the bigger picture: your goals, diet, medications, current supplements and any blood results you provide, then shows what appears worth keeping, changing, adding or leaving out.
- what your diet already covers, so you are not adding a capsule for something food is already handling
- which evidence-graded compounds are worth considering for your goals, and which were considered but left out
- what to keep, change or stop from what you already take, plus the order to introduce anything new
- how your medications and complete supplement stack fit together, with daily timing and a clear point for reassessment
The interaction check is one section of the full report. You also get the reasoning behind each recommendation and the evidence references used.
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Something missing?
If a supplement or medication you take isn't in our autocomplete, tell us. We go through what people flag every week and add what's missing.