Lupin + Tolazamide
Tolazamide brand name: Tolinase.
We found no known interaction between Lupin and Tolazamide 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.
Lupin and Tolazamide
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 Tolazamide and Lupin 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 Lupin at all — not against Tolazamide, 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.
Lupin safety at a glance
Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Lupin in Pregnancy & Breastfeeding
When processed lupin products (debittered lupin) are used in food amounts. Consuming commercially-prepared lupin products, including flour, bread, pasta, and breakfast cereals processed to contain less than 0.02% quinolizidine alkaloids, has not been associated with toxicity.
When bitter lupin products that contain toxic levels of quinolizidine alkaloids are used orally. These alkaloids have anticholinergic effects which can lead to respiratory failure and death. The quinolizidine alkaloid sparteine can also induce contractions of uterine smooth muscle.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center
What Tolazamide Is Prescribed For, and What Lupin Has Been Studied For
These two come up together because they touch the same health topic — not because they do the same job. Tolazamide is a prescription medicine with approved uses on its FDA label. Lupin is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.
Lupin has been studied for:
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Diabetes studied, not established Lupin has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows
Lupin for diabetes
The evidence for using lupin to reduce postprandial blood glucose levels and improve glucose control is conflicting.
Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Tolazamide on your own; if you are taking Lupin for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.
See Every Supplement That Interacts With Tolazamide
This page covers Lupin only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Tolazamide page lists 272 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 · 230 moderate · 40 minor.
From our pharmacist’s overview on the Tolazamide page
“Tolazamide (Tolinase) lowers blood sugar in type 2 diabetes, and I would handle its supplement list with care, because nearly everything listed can drag blood sugar lower still. Herbs and foods with glucose-lowering effects dominate the file, and stacked on a pill that already lowers glucose they raise the odds of hypoglycemia, blood s…”
Reviewed by 2 · Jul 18, 2026
Taking Lupin as Part of a Dietary Supplement Product? Check It for Interactions
We hold 2 real supplement products containing Lupin, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Lupin. Even though Lupin itself has no known interaction with Tolazamide, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:
Where Lupin and Tolazamide 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.
#979 of 1,452 supplements looked up here in the last 7 days
#760 of 2,830 medications looked up here in the last 7 days
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 Lupin reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Lupin and Tolazamide 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.
About Lupin
What is Lupin?
- Plant-based protein source
- Blood sugar support
- Cholesterol support
- Weight management
- Digestive fiber
Lupin is a protein- and fiber-rich legume that is eaten as food and sold as flour or protein powder. Early research suggests it may modestly help with blood sugar, cholesterol, and appetite, but evidence is limited. Its biggest concern is that it is a recognized food allergen and can cross-react in people allergic to peanuts.
Lupinus albus · Fabaceae · Seeds (beans) · Whole pickled beans, flour, protein powder, capsules
An interaction check asks whether these two react with each other — it does not ask whether Lupin is a good idea for someone in your situation. Here is what our Lupin record says about it on its own.
Lupin: dosing
There is no official or standardized supplement dose for lupin. As a food, people eat it in amounts similar to other beans or use lupin flour and protein powder as ingredients in recipes.If you use a lupin supplement or protein product, follow the directions on the product label, and start with a small amount to see how your body tolerates the fiber.
From our Lupin monograph — the full record covers uses, side effects and every documented interaction.
About Tolazamide
What Is Tolazamide Used For?
Brand name: Tolinase
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Tolazamide is used along with diet and exercise, and sometimes with other medications, to treat type 2 diabetes (condition in which the body does not use insulin normally and, therefore, cannot control the amount of sugar in the blood). Tolazamide is in a class of medications called sulfonylureas. Tolazamide lowers blood sugar by causing the pancreas to produce insulin (a natural substance that is needed to break down sugar in the body) and helping the body use insulin efficiently. This medication will only help lower blood sugar in people whose bodies produce insulin naturally. Tolazamide is not used to treat type 1 diabetes (condition in which the body does not produce insulin and, therefore, cannot control the amount of sugar in the blood) or diabetic ketoacidosis (a serious condition that may occur if high blood sugar is not treated).
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Over time, people who have diabetes and high blood sugar can develop serious or life-threatening complications, including heart disease, stroke, kidney problems, nerve damage, and eye problems. Taking medication(s), making lifestyle changes (e.g., diet, exercise, quitting smoking), and regularly checking your blood sugar may help to manage your diabetes and improve your health. This therapy may also decrease your chances of having a heart attack, stroke, or other diabetes-related complications such as kidney failure, nerve damage (numb, cold legs or feet; decreased sexual ability in men and women), eye problems, including changes or loss of vision, or gum disease. Your doctor and other healthcare providers will talk to you about the best way to manage your diabetes.
Other Drugs & Lupin
Browse every other medication we’ve checked against Lupin — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
No interaction 2,829 drugs checked — show the list
We also checked Lupin against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
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- Methylphenidate ›
- Warfarin ›
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- Duloxetine ›
- Letrozole ›
- Buspirone ›
- Citalopram ›
- Naproxen ›
- Ciprofloxacin ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Lupin list.
Lupin References
The 26 references that drive our Lupin 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.
- Bähr M, Fechner A, Kiehntopf M, Jahreis G. Consuming a mixed diet enriched with lupin protein beneficially affects plasma lipids in hypercholesterolemic subjects: a randomized controlled trial. Clin Nutr. 2015 Feb;34(1):7-14. PubMed
- Bähr M, Fechner A, Krämer J, Kiehntopf M, Jahreis G. Lupin protein positively affects plasma LDL cholesterol and LDL:HDL cholesterol ratio in hypercholesterolemic adults after four weeks of supplementation: a randomized, controlled crossover study. Nutr J PubMed
- Ballabio C, Peñas E, Uberti F, et al. Characterization of the sensitization profile to lupin in peanut-allergic children and assessment of cross-reactivity risk. Pediatr Allergy Immunol. 2013;24(3):270-5. PubMed
- Belski R, Mori TA, Puddey IB, et al. Effects of lupin-enriched foods on body composition and cardiovascular disease risk factors: a 12-month randomized controlled weight loss trial. Int J Obes (Lond). 2011;35(6):810-9. PubMed
- Campbell CP, Jackson AS, Johnson AR, Thomas PS, Yates DH. Occupational sensitization to lupin in the workplace: occupational asthma, rhinitis, and work-aggravated asthma. J Allergy Clin Immunol. 2007;119(5):1133-9. PubMed
- Carvajal-Larenas FE, Linnemann AR, Nout MJ, Koziol M, van Boekel MA. Lupinus mutabilis: Composition, Uses, Toxicology, and Debittering. Crit Rev Food Sci Nutr. 2016;56(9):1454-87.
- Daverio M, Cavicchiolo ME, Grotto P, Lonati D, Cananzi M, Da Dalt L. Bitter lupine beans ingestion in a child: a disregarded cause of acute anticholinergic toxicity. Eur J Pediatr. 2014;173(12):1549-51. PubMed
- Di Grande A, Paradiso R, Amico S, Fulco G, Fantauzza B, Noto P. Anticholinergic toxicity associated with lupin seed ingestion: case report. Eur J Emerg Med. 2004;11(2):119-20. PubMed
- Eguíluz Gracia I, Martínez González de Lema B, Rubio-Pérez M, et al. Allergic reaction to undeclared lupin in a chocolate. J Investig Allergol Clin Immunol. 2015;25(2):140-2.
- Fechner A, Fenske K, Jahreis G. Effects of legume kernel fibres and citrus fibre on putative risk factors for colorectal cancer: a randomised, double-blind, crossover human intervention trial. Nutr J. 2013;12:101. PubMed
- Fechner A, Kiehntopf M, Jahreis G. The formation of short-chain fatty acids is positively associated with the blood lipid-lowering effect of lupin kernel fiber in moderately hypercholesterolemic adults. J Nutr. 2014;144(5):599-607. PubMed
- Gayraud J, Mairesse M, Fontaine JF, et al. The prevalence of sensitization to lupin flour in France and Belgium: a prospective study in 5,366 patients, by the Allergy Vigilance Network. Eur Ann Allergy Clin Immunol. 2009;41(1):17-22.
- Hieta N, Hasan T, Mäkinen-Kiljunen S, Lammintausta K. Lupin allergy and lupin sensitization among patients with suspected food allergy. Ann Allergy Asthma Immunol. 2009;103(3):233-7. PubMed
- Hodgson JM, Lee YP, Puddey IB, et al. Effects of increasing dietary protein and fibre intake with lupin on body weight and composition and blood lipids in overweight men and women. Int J Obes (Lond). 2010;34(6):1086-94. PubMed
- Lindvik H, Holden L, Løvik M, Cvancarova M, Halvorsen R. Lupin sensitization and clinical allergy in food allergic children in Norway. Acta Paediatr. 2008;97(1):91-5. PubMed
- Litkey J, Dailey MW. Anticholinergic toxicity associated with the ingestion of lupini beans. Am J Emerg Med. 2007;25(2):215-7. PubMed
- Moreno-Ancillo A, Gil-Adrados AC, Domínguez-Noche C, Cosmes PM. Lupine inhalation induced asthma in a child. Pediatr Allergy Immunol. 2005;16(6):542-4. PubMed
- Peeters KA, Koppelman SJ, Penninks AH, et al. Clinical relevance of sensitization to lupine in peanut-sensitized adults. Allergy. 2009;64(4):549-55. PubMed
- Pingault NM, Gibbs RA, Barclay AM, Monaghan M. Two cases of anticholinergic syndrome associated with consumption of bitter lupin flour. Med J Aust. 2009;191(3):173-4. PubMed
- Reis AM, Fernandes NP, Marques SL, et al. Lupine sensitisation in a population of 1,160 subjects. Allergol Immunopathol (Madr). 2007;35(4):162-3.
- Shaw J, Roberts G, Grimshaw K, White S, Hourihane J. Lupin allergy in peanut-allergic children and teenagers. Allergy. 2008;63(3):370-3.
- Zange J, Schopen K, Albracht K, et al. Using the Hephaistos orthotic device to study countermeasure effectiveness of neuromuscular electrical stimulation and dietary lupin protein supplementation, a randomised controlled trial. PLoS One. 2017;12(2):e01715 PubMed
- Ward NC, Mori TA, Beilin LJ, et al. The effect of regular consumption of lupin-containing foods on glycaemic control and blood pressure in people with type 2 diabetes mellitus. Food Funct. 2020;11(1):741-7. PubMed
- EFSA Panel on Contaminants in the Food Chain (CONTAM), Schrenk D, Bodin L, Chipman JK, et al. Scientific opinion on the risks for animal and human health related to the presence of quinolizidine alkaloids in feed and food, in particular in lupins and lupi
- Frick KM, Kamphuis LG, Siddique KHM, Singh KB, Foley RC. Quinolizidine alkaloid biosynthesis in lupins and prospects for grain quality improvement. Front Plant Sci. 2017;8:87. doi: 10.3389/fpls.2017.00087. PubMed
- US Food and Drug Administration Consumer Updates. Allergies to a legume called lupin: what you need to know. 08/14/2015. https://www.fda.gov/consumers/consumer-updates/allergies-legume-called-lupin-what-you-need-know (Accessed 10/09/2020).
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.
Tolazamide Is Linked to Lower Levels of One Nutrient
Natural Medicines records Tolazamide as a medicine that can lower these. This is not an interaction with Lupin — it is a separate effect of the medicine, and it is a reason some people are advised to supplement rather than to avoid one:
Read the full Tolazamide nutrient depletion report ›
Depletion records come from the licensed Natural Medicines database. Do not start a supplement on the strength of this page — ask your pharmacist or doctor whether it applies to you.
Taking Lupin and Tolazamide Together: Common Questions
Is it safe to take Lupin with Tolazamide?
Are Lupin and Tolazamide used for the same thing?
Does Tolazamide interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.