Drug & supplement interaction

Akkermansia + Tolvaptan

Tolvaptan brand names: Samsca, Jynarque.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Akkermansia and Tolvaptan in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Akkermansia and Tolvaptan

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Tolvaptan and Akkermansia in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

Worth understanding: our licensed dataset holds no drug-interaction record for Akkermansia at all — not against Tolvaptan, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Akkermansia safety at a glance

Akkermansia overall Use caution Small human studies suggest short-term use is generally well tolerated, but long-term safety data are limited.
Pregnancy Avoid There is not enough safety information, so it is best to avoid during pregnancy.
Breastfeeding Avoid There is not enough safety information, so it is best to avoid while breastfeeding.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Tolvaptan and Akkermansia? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
Everything else you take

See Every Supplement That Interacts With Tolvaptan

This page covers Akkermansia only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Tolvaptan page lists 145 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Grapefruit (major), St. John's Wort (major), Acacia Rigidula (moderate) and Adrafinil (moderate).

By severity: 3 major · 104 moderate · 38 minor.

From our pharmacist’s overview on the Tolvaptan page

“People taking tolvaptan (Samsca, Jynarque) for polycystic kidney disease or low blood sodium are on a drug whose blood level depends heavily on one liver enzyme, CYP3A4, and that is exactly where most of these 145 supplements interfere. Grapefruit can drive tolvaptan levels up, St.”

Reviewed by 2 · Jul 18, 2026

Open the Tolvaptan interaction page

How much people look this up

Where Akkermansia and Tolvaptan Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Akkermansia
Steady interest

#810 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Tolvaptan
Steady interest

#2,420 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions. Akkermansia is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Akkermansia reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Akkermansia and Tolvaptan records this page draws on were last updated July 10, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Akkermansia

What is Akkermansia?

  • Gut health support
  • Metabolic health and blood sugar
  • Weight management
  • Gut lining (barrier) support

Akkermansia muciniphila is a gut bacterium sold as a next-generation probiotic. Early research in animals and small human studies looks promising for metabolic and gut health, but the evidence is still limited and long-term safety is not fully known. Talk with your pharmacist or doctor before trying it, especially if you have a weakened immune system.

Akkermansia muciniphila · Akkermansiaceae · Whole bacterial cells (live or pasteurized) · Capsules, powders (probiotic supplements)

An interaction check asks whether these two react with each other — it does not ask whether Akkermansia is a good idea for someone in your situation. Here is what our Akkermansia record says about it on its own.

Akkermansia: dosing

There is no official, standardized dose for Akkermansia muciniphila. Doses are usually measured in colony-forming units (CFU) or by the amount of bacterial cells, and these vary from product to product.The best approach is to follow the directions on the product label and not take more than recommended. If you notice ongoing digestive problems, stop and get medical advice.

From our Akkermansia monograph — the full record covers uses, side effects and every documented interaction.

Read the full Akkermansia monograph & all interactions
Medication

About Tolvaptan (kidney disease)

What Is Tolvaptan (kidney disease) Used For?

Brand names: Samsca, Jynarque

Tolvaptan (brand name Jynarque) is used to slow the decline of kidney function in adults who have autosomal dominant polycystic kidney disease (ADPKD) — a genetic condition where fluid-filled cysts grow in the kidneys over time, gradually damaging them. It is specifically for people whose disease is at risk of progressing quickly.

It does not cure ADPKD, but it works to slow down how fast the kidneys deteriorate, helping preserve kidney function for longer.

See full Tolvaptan (kidney disease) drug information
Keep checking

Other Drugs & Akkermansia

Browse every other medication we’ve checked against Akkermansia — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
0Moderate
0Minor
2,829No known interaction
No interaction 2,829 drugs checked — show the list
Evidence & sources

Akkermansia References

The 2 sources that drive our Akkermansia monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Akkermansia is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Probiotics: What You Need To Know — NIH NCCIH Source
  2. Probiotics — MedlinePlus Source

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Akkermansia and Tolvaptan Together: Common Questions

Is it safe to take Akkermansia with Tolvaptan?
We do not list a known interaction between Akkermansia and Tolvaptan. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Does Tolvaptan interact with any supplements?
Yes. Tolvaptan has documented interactions with 145 supplements in our database — Akkermansia is not one of them. The Tolvaptan interaction page linked on this page lists every one, ranked by severity.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Still Have a Question About Tolvaptan and Akkermansia?

Our pharmacists answer your medication & supplement questions — free.

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.