Supplement · Grade B

Hyaluronic Acid and medications.

Not yet catalogued in the Distil interactions database. We surface that distinction explicitly.

Hyaluronic Acid is in the Distil supplement database, evidence Grade B. The page below lists every medication we have explicitly assessed it against.

Hyaluronic acid is a molecule your body already makes, concentrated in joint fluid and skin, where it holds water and keeps tissue lubricated and supple. Taken by mouth, the evidence supports two uses: easing knee pain and improving skin hydration and elasticity. Both sit at Grade B, meaning the signal is real but the trials are modest in size. Oral doses run 80 to 200mg for joints and around 120mg for skin, with high molecular weight forms generally preferred. The honest limit is that oral HA is a gentle, slow input rather than a dramatic fix, and it competes with cheaper interventions on a per-pound basis. On the interaction front it is unusually clean: no significant drug or supplement interactions are documented, and it is very well tolerated. That makes it easy to add to a stack without separation timing or monitoring concerns. If you try it, judge skin or joint changes over a couple of months, not days.

We have not yet completed an explicit assessment of medications for Hyaluronic Acid in the Distil interactions database. 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 Hyaluronic Acid alongside a medication, 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. Use the checker below to surface any medication, and submit a missing item if you take something we have not catalogued.

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For adults over 18. This tool gives evidence-graded information, not medical advice. Always discuss changes with your GP or pharmacist, especially if you take any medication, are pregnant, breastfeeding, or have a serious health condition.

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How we decide

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 methodology

Your whole stack

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This page checks the pairs you enter. The personalised Distil report goes further:

the same graded, cited interaction check across your whole stack, not just the pairs you thought to type in
where your current routine may be leaving you short of your goals
the evidence-graded compounds worth adding, and the ones worth dropping

It's a paid report: £79, or £49 founder pricing while we earn our first reviews. The interactions check is one section of it, and you can read a real one in full before you decide.

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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.

Thanks, that's logged. We go through flagged items every week.

Distil's interactions database is reviewed and updated every quarter. We grade evidence transparently and publish our methodology, including every database change, at /about/methodology. This tool is information, not a substitute for clinical judgement. If you take medication and supplements together, your GP or pharmacist can review your full regimen against your medical history. If you want a full personalised stack reasoned against this same database, the Distil report is the next step up.