Drug & supplement interaction

Lunasin + Ertugliflozin

Ertugliflozin brand name: Steglatro.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Lunasin and Ertugliflozin 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

Lunasin and Ertugliflozin

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 Ertugliflozin and Lunasin 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 Lunasin at all — not against Ertugliflozin, 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.

Lunasin safety at a glance

Lunasin overall Not established Lunasin is found in common foods, but the safety of concentrated supplements has not been well studied.
Pregnancy Avoid There is not enough safety data, so concentrated supplements should be avoided during pregnancy.
Breastfeeding Avoid There is not enough safety data, so concentrated supplements should be avoided while breastfeeding.

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

Still wondering about combining Ertugliflozin and Lunasin? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Lunasin Itself Has Been Linked To

This is not an interaction — nothing below involves Ertugliflozin. It is the side-effect record for Lunasin on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Lunasin, this list is the first place to look.

  • Bloating or gas / Reduced appetite / Constipation / Stomach pain / Diarrhea / Nausea Additional detail

    “There is currently a limited amount of information on the adverse effects of lunasin. Orally, adverse effects reported in clinical research include nausea, constipation (including obstipation), diarrhea, early satiety, decreased appetite, bloating, abdominal pain, and flatulence.”

    Lunasin · Natural Medicines adverse-effect record, reported in constipation.

    2 sources cited
    1. 104526. Bedlack RS, Wicks P, Vaughan T, et al. Lunasin does not slow ALS progression: results of an open-label, single-center, hybrid-virtual 12-month trial. Amyotroph Lateral Scler Frontotemporal Degener. 2019 May;20(3-4):285-293. PubMed
    2. 104527. Haddad Tabrizi S, Haddad E, Rajaram S, Oda K, Kaur A, Sabaté J. The effect of soybean lunasin on cardiometabolic risk factors: A randomized clinical trial. Subst Use Misuse. 2019;54(9):1530-1540. PubMed

    “Orally, lunasin can cause nausea, constipation, diarrhea, early satiety, decreased appetite, bloating, abdominal pain, and flatulence. Two cases of obstipation requiring hospitalization have been reported following administration of lunasin.”

    Lunasin · Natural Medicines adverse-effect record, reported in constipation.

    2 sources cited
    1. 104526. Bedlack RS, Wicks P, Vaughan T, et al. Lunasin does not slow ALS progression: results of an open-label, single-center, hybrid-virtual 12-month trial. Amyotroph Lateral Scler Frontotemporal Degener. 2019 May;20(3-4):285-293. PubMed
    2. 104527. Haddad Tabrizi S, Haddad E, Rajaram S, Oda K, Kaur A, Sabaté J. The effect of soybean lunasin on cardiometabolic risk factors: A randomized clinical trial. Subst Use Misuse. 2019;54(9):1530-1540. PubMed

Everything above comes from the Natural Medicines adverse-effect record for Lunasin — expand a row for the licensed statement it rests on. We read the ADVERSE REACTIONS section of Ertugliflozin’s FDA label too, and the two lists don’t meaningfully overlap — which is why no Ertugliflozin column appears here.

Everything else you take

See Every Supplement That Interacts With Ertugliflozin

This page covers Lunasin only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ertugliflozin page lists 256 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Siberian Cocklebur (major), Acai (moderate), African Wild Potato (moderate) and Agaricus Mushroom (moderate).

By severity: 2 major · 215 moderate · 39 minor.

From our pharmacist’s overview on the Ertugliflozin page

“Ertugliflozin (Steglatro) works by making your kidneys flush out extra sugar, and nearly all 256 supplements on this page pull on that same lever, so this is a list to approach carefully rather than casually. Most entries either add to the glucose-lowering effect and raise the risk of a low, or, like niacin, push blood sugar the other…”

Reviewed by 2 · Jul 18, 2026

Open the Ertugliflozin interaction page

How much people look this up

Where Lunasin and Ertugliflozin 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 Lunasin
Steady interest

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

29 days ago today
Medication Ertugliflozin
Top half

#1,099 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.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Lunasin reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Lunasin and Ertugliflozin 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 Lunasin

What is Lunasin?

  • Cholesterol and heart health
  • General immune support
  • Antioxidant support
  • Anti-inflammatory support
  • Cancer-prevention interest (unproven)

Lunasin is a small protein (peptide) found naturally in soybeans and some other seeds and grains. Laboratory and animal studies suggest it may have antioxidant, anti-inflammatory, and cholesterol-related effects, but solid human evidence is very limited. Talk with your pharmacist or doctor before using a lunasin supplement.

Seeds (most studied in soybean) · Capsules, powders, and protein extracts (often soy-derived)

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

Lunasin: dosing

There is no established standard dose for lunasin supplements. The amounts used in research vary, and product labels differ from brand to brand.If you choose to try a product, follow the directions on the label and do not exceed them. Because quality and purity of supplements can vary, look for brands that use independent third-party testing.

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

Read the full Lunasin monograph & all interactions
Medication

About Ertugliflozin

What Is Ertugliflozin Used For?

Brand name: Steglatro

Steglatro (ertugliflozin) is used as an add-on to diet and exercise to improve blood sugar (glucose) control in adults with type 2 diabetes mellitus.

Steglatro is not recommended for improving blood sugar control in people with type 1 diabetes mellitus.

Most-Reported Side Effects for Ertugliflozin

From FAERS, the FDA’s public side-effect reporting system (1,288 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Nausea 95 reports
Vomiting 82 reports
Urinary tract infection 71 reports
Blood glucose increased 63 reports
Fungal infection 63 reports
See full Ertugliflozin drug information
Keep checking

Other Drugs & Lunasin

Browse every other medication we’ve checked against Lunasin — 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

Lunasin References

The 2 references that drive our Lunasin monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Bedlack RS, Wicks P, Vaughan T, et al. Lunasin does not slow ALS progression: results of an open-label, single-center, hybrid-virtual 12-month trial. Amyotroph Lateral Scler Frontotemporal Degener. 2019 May;20(3-4):285-293. PubMed
  2. Haddad Tabrizi S, Haddad E, Rajaram S, Oda K, Kaur A, Sabaté J. The effect of soybean lunasin on cardiometabolic risk factors: A randomized clinical trial. Subst Use Misuse. 2019;54(9):1530-1540. PubMed

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 Lunasin and Ertugliflozin Together: Common Questions

Is it safe to take Lunasin with Ertugliflozin?
We do not list a known interaction between Lunasin and Ertugliflozin. 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 Ertugliflozin interact with any supplements?
Yes. Ertugliflozin has documented interactions with 256 supplements in our database — Lunasin is not one of them. The Ertugliflozin 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 Ertugliflozin and Lunasin?

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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.