Taurine and medications.
Taurine is in the Distil supplement database, evidence Grade B. The page below lists every medication we have explicitly assessed it against.
Taurine is an amino acid the body makes and also gets from animal foods, with roles in heart function, electrolyte balance and antioxidant defence. The clearest evidence is Grade B for cardiovascular and exercise outcomes: Tzang's 2024 meta-analysis of 20 trials found taurine lowered blood pressure and improved heart pump function in heart failure patients; it also found a small fall in heart rate, which is less certain because the pooled trials include one since retracted. The longevity angle rests on Singh's 2023 work suggesting taurine declines with age, but that hypothesis is now contested: Fernandez 2025 in Science found taurine did not decline with age at all, staying stable or rising across human cohorts, primates and mice, so it is best treated as an unresolved question rather than an anti-ageing benefit. Typical doses are 1 to 3g daily, with 1 to 2g for cardiovascular goals or before endurance exercise. Vegans get essentially no taurine from diet, which makes supplementation more relevant for them, a point worth flagging. It pairs well with magnesium for electrolyte balance. The interaction to know is additive: taurine tends to lower blood pressure on its own, so taken with blood pressure medicines such as amlodipine, ramipril, losartan or bisoprolol the effects may stack, and it is worth flagging to your GP and keeping an eye on readings rather than assuming the two simply add up safely. Taurine is very well tolerated, with occasional mild stomach upset the only common complaint.
Below are the 14 documented pairs we have explicitly assessed for Taurine: 14 caution. The pairs cluster around 1 mechanism: Additive blood-pressure lowering. Every call is cited to either a clinical reference (PMID) or the British National Formulary. Anything not listed here is either still to be assessed or beyond our database scope. The checker beneath surfaces assessments by medication, and the missing-item form at the bottom of the page routes any uncatalogued medication into our next curation pass.
Documented interactions
Last reviewed 13 October 2026. Each interaction below lists the evidence its assessment drew on: some rest on studies of the exact pair, others on mechanism evidence, where a citation may support one part of the reasoning rather than the exact combination. The evidence line on each entry says which.
Additive blood-pressure lowering
Caution Does Taurine interact with Amlodipine?
Taurine tends to lower blood pressure on its own, and amlodipine lowers it by relaxing blood vessels. Taken together the blood-pressure effects may stack, so watch for dizziness on standing, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Bendroflumethiazide?
Taurine tends to lower blood pressure on its own, and bendroflumethiazide is a water tablet used to lower it. Taken together the blood-pressure effects may stack, so watch for dizziness on standing, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Bisoprolol?
Taurine tends to lower blood pressure a little on its own and may lower heart rate slightly, and bisoprolol is a beta blocker that lowers both. Taken together the effects may stack, so watch for dizziness on standing or feeling unusually tired, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Candesartan cilexetil?
Taurine tends to lower blood pressure on its own, and candesartan lowers it by blocking the angiotensin receptor. Taken together the blood-pressure effects may stack, so watch for dizziness on standing, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Clonidine?
Taurine tends to lower blood pressure on its own, and clonidine lowers it too. Taken together the blood-pressure effects may stack, so watch for dizziness on standing, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Diltiazem hydrochloride?
Taurine may lower blood pressure a little on its own, and diltiazem lowers blood pressure and slows the heart, so taken together the blood-pressure effects may add up. Watch for dizziness on standing, unusual tiredness or a pulse that feels slower than usual, especially in the first couple of weeks of taking both, and tell your GP if that happens. Taurine's own effect on blood pressure is small.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Guanfacine?
Taurine tends to lower blood pressure on its own, and guanfacine lowers it too. Taken together the blood-pressure effects may stack, so watch for dizziness on standing, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Indapamide?
Taurine tends to lower blood pressure on its own, and indapamide is a water tablet used to lower it. Taken together the blood-pressure effects may stack, so watch for dizziness on standing, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Lacidipine?
Taurine may lower blood pressure a little on its own, and lacidipine lowers it by relaxing blood vessels, so taken together the effects may add up. Watch for dizziness or light-headedness on standing, especially in the first couple of weeks of taking both, and tell your GP if that happens. Taurine's own effect on blood pressure is small.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Lisinopril?
Taurine tends to lower blood pressure on its own, and lisinopril lowers it by blocking the angiotensin-converting enzyme. Taken together the blood-pressure effects may stack, so watch for dizziness on standing, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Losartan?
Taurine tends to lower blood pressure on its own, and losartan lowers it by blocking the angiotensin receptor. Taken together the blood-pressure effects may stack, so watch for dizziness on standing, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Nifedipine?
Taurine may lower blood pressure a little on its own, and nifedipine lowers it by relaxing blood vessels, so taken together the effects may add up. Watch for dizziness or light-headedness on standing, especially in the first couple of weeks of taking both, and tell your GP if that happens. Taurine's own effect on blood pressure is small.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Ramipril?
Taurine tends to lower blood pressure on its own, and ramipril lowers it by blocking the angiotensin-converting enzyme. Taken together the blood-pressure effects may stack, so watch for dizziness on standing, especially in the first couple of weeks. Taurine's own effect on blood pressure is small. If symptoms appear, tell your GP.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
Caution Does Taurine interact with Verapamil hydrochloride?
Taurine may lower blood pressure a little on its own, and verapamil lowers blood pressure and slows the heart, so taken together the blood-pressure effects may add up. Watch for dizziness on standing, unusual tiredness or a pulse that feels slower than usual, especially in the first couple of weeks of taking both, and tell your GP if that happens. Taurine's own effect on blood pressure is small.
Evidence: Limited human data, from small studies or case reports.
Reviewer-flagged: awaiting clinical-reviewer sign-off.
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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How the checker decides
Every result has a source
Each pair we have assessed is cited to a published study (PMID) or the British National Formulary, so you can read the source yourself.
Four kinds of answer
Severe, caution, no known interaction, and not yet assessed. A pair we have not assessed is never shown as clear.
- Severe
- Caution
- No known interaction
- Not yet assessed
Nothing in our data is not a clearance
When nothing in our data records a problem with a pair, the result says no known interaction at typical doses, which is not a clearance: your pharmacist or GP can check the pair against your full medical history.
A 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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