Drug & supplement interaction

Spearmint + Mineral Oil

Mineral Oil brand name: Kondremul Plain.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Spearmint and Mineral Oil 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. Additionally, although there is no interaction, the label for Mineral Oil states a food rule worth keeping to.

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Interaction report

Spearmint and Mineral Oil

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 Mineral Oil and Spearmint 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.

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.

Spearmint safety at a glance

Spearmint overall Use caution Generally safe as food or tea, but concentrated supplements and oils need more caution.
Pregnancy Likely Safe When used in the amounts commonly found in foods. Read the full pregnancy detail
Breastfeeding Likely Safe When used in the amounts commonly found in foods. There is insufficient reliable information available about the safety of spearmint during lactation. Avoid usi... Read the full breastfeeding detail

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.

Still wondering about combining Mineral Oil and Spearmint? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Mineral Oil

Interactions in our licensed database are recorded against drug classes, not just single drug names. Mineral Oil is filed under a single classification — oral drugs. Spearmint has documented interactions with 2 drug classes — the most serious being cns depressants (moderate) and hepatotoxic drugs (moderate) — and none of Mineral Oil’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Spearmint Does Interact With Other Medications

Spearmint has 579 moderate known drug interactions in our database — Mineral Oil isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Spearmint

Covers the 2,830 medications we’ve checked against Spearmint. Pick one to open its full report.

What to actually watch for

What Spearmint Itself Has Been Linked To

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

  • Increased appetite / Weight gain Additional detail

    “Orally, taking spearmint extract 600 mg daily has been associated with one report of increased appetite and weight gain in one clinical trial. However, it is not certain that these adverse events were caused by spearmint extract.”

    Spearmint · Natural Medicines adverse-effect record, reported in myasthenia gravis.

    1 source cited
    1. 94925. Lasrado JA, Nieman KM, Fonseca BA, et al. Safety and tolerability of a dried aqueous spearmint extract. Regul Toxicol Pharmacol 2017;86:167-176. PubMed
  • Bloating or gas / Dry mouth / Stomach upset / Constipation / Diarrhea Additional detail

    “Orally, taking spearmint extract 600 mg daily has been associated with dyspepsia in one clinical trial. Taking a higher dose of 900 mg daily has been associated with diarrhea and belching. Drinking 2 cups of spearmint tea with normal amounts of rosmarinic acid has been associated with one report of dry mouth in clinical research.”

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

    3 sources cited
    1. 94925. Lasrado JA, Nieman KM, Fonseca BA, et al. Safety and tolerability of a dried aqueous spearmint extract. Regul Toxicol Pharmacol 2017;86:167-176. PubMed
    2. 94923. Connelly AE, Tucker AJ, Tulk H, et al. High-rosmarinic acid spearmint tea in the management of knee osteoarthritis symptoms. J Med Food 2014;17:1361-7. PubMed
    3. 75700. Bulat, R., Fachnie, E., Chauhan, U., Chen, Y., and Tougas, G. Lack of effect of spearmint on lower oesophageal sphincter function and acid reflux in healthy volunteers. Aliment.Pharmacol Ther. 1999;13(6):805-812. PubMed
  • A fast or pounding heartbeat Additional detail

    “Orally, taking spearmint extract 600 mg daily has been associated with one report of tachycardia in one clinical trial. However, it is not certain that this adverse event was caused by spearmint extract.”

    Spearmint · Natural Medicines adverse-effect record, reported in myasthenia gravis.

    1 source cited
    1. 94925. Lasrado JA, Nieman KM, Fonseca BA, et al. Safety and tolerability of a dried aqueous spearmint extract. Regul Toxicol Pharmacol 2017;86:167-176. PubMed
  • Anxiety or restlessness Additional detail

    “Orally, taking spearmint extract 600 mg daily has been associated with one report of anxiety in one clinical trial. However, it is not certain that this adverse event was caused by spearmint extract.”

    Spearmint · Natural Medicines adverse-effect record, reported in anxiety.

    1 source cited
    1. 94925. Lasrado JA, Nieman KM, Fonseca BA, et al. Safety and tolerability of a dried aqueous spearmint extract. Regul Toxicol Pharmacol 2017;86:167-176. PubMed
  • Swelling Additional detail

    “Topically, spearmint oil and leaves have caused allergic dermatitis. Allergic contact cheilitis has also occurred from spearmint oil in toothpaste or chewing gum. Spearmint oil inhalation has also caused allergic dermatitis. Orally, spearmint leaves have caused allergy-associated swelling of the soft palate. A specific 50 KDa protein in the spearmint was found to be the responsible allergen.”

    Spearmint · Natural Medicines adverse-effect record, reported in allergic rhinitis (hay fever).

    6 sources cited
    1. 75711. Bonamonte, D., Mundo, L., Daddabbo, M., and Foti, C. Allergic contact dermatitis from Mentha spicata (spearmint). Contact Dermatitis 2001;45(5):298.
    2. 75731. Tomson, N., Murdoch, S., and Finch, T. M. The dangers of making mint sauce. Contact Dermatitis 2004;51(2):92-93. PubMed
    3. 75737. Clayton, R. and Orton, D. Contact allergy to spearmint oil in a patient with oral lichen planus. Contact Dermatitis 2004;51(5-6):314-315. PubMed
    4. 31403. Poon, T. S. and Freeman, S. Cheilitis caused by contact allergy to anethole in spearmint flavoured toothpaste. Australas.J Dermatol. 2006;47(4):300-301. PubMed
    5. 31528. Andersen, K. E. Contact allergy to toothpaste flavors. Contact Dermatitis 1978;4(4):195-198. PubMed
    6. 75706. Francalanci, S., Sertoli, A., Giorgini, S., Pigatto, P., Santucci, B., and Valsecchi, R. Multicentre study of allergic contact cheilitis from toothpastes. Contact Dermatitis 2000;43(4):216-222. PubMed

Showing the 10 most notable of 12 recorded effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

Everything above comes from the Natural Medicines adverse-effect record for Spearmint — expand a row for the licensed statement it rests on. We haven’t matched Mineral Oil to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Mineral Oil.

Special populations

Spearmint in Pregnancy & Breastfeeding

Pregnancy Likely Safe

When used in the amounts commonly found in foods.

Pregnancy Possibly Unsafe

When used orally during pregnancy in excessive amounts. Animal research suggests that spearmint tea may cause uterine damage. Avoid using in amounts greater than those typically found in foods during pregnancy.

Lactation Likely Safe

When used in the amounts commonly found in foods. There is insufficient reliable information available about the safety of spearmint during lactation. Avoid using in amounts greater than those typically found in foods.

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

How to take them

Some Mineral Oil Products Have a Food Rule — Spearmint Should Not Break It

At least one FDA label for a product containing Mineral Oil says to take it with food. If you take Spearmint on an empty stomach out of habit, keep them separate — and take Mineral Oil with a meal where the label says to.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Mineral Oil products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.

Directions: * Do not take with meals.

From the Dosage and Administration section of the FDA label we read for Mineral Oil — where that label names a specific product, the instruction is that product's. See the Mineral Oil drug page ›

A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.

Everything else you take

See Every Supplement That Interacts With Mineral Oil

This page covers Spearmint only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Mineral Oil page lists 17 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Coffee Charcoal (moderate), European Mandrake (moderate), Glucomannan (moderate) and Guar Gum (moderate).

By severity: 1 major · 7 moderate · 9 minor.

From our pharmacist’s overview on the Mineral Oil page

“Everything on record for mineral oil (Kondremul Plain) comes down to one theme, absorption in the gut, and it deserves genuine care, chiefly because of activated charcoal. Charcoal binds a wide array of medicines and can sharply cut how much of them the body actually takes in, and it carries this list's only major rating, so understand…”

Reviewed by 2 · Jul 18, 2026

Open the Mineral Oil interaction page

One more smart check

Taking Spearmint as Part of a Dietary Supplement Product? Check It for Interactions

We hold 408 real supplement products containing Spearmint, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Spearmint. Even though Spearmint itself has no known interaction with Mineral Oil, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Spearmint and Mineral Oil 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 Spearmint
Top 25%

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

29 days ago today
Medication Mineral Oil
Top 25%

#586 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 Spearmint reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Spearmint and Mineral Oil records this page draws on were last updated July 11, 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 Spearmint

What is Spearmint?

Spearmint
  • Digestive upset and indigestion
  • Nausea
  • Hormonal acne and unwanted hair (PCOS-related)
  • Memory and focus
  • Mild stress and anxiety
  • Joint discomfort

Spearmint is a common culinary mint that is generally safe in food and tea amounts. Early research suggests possible benefits for digestion, mild hormone-related issues (such as excess facial hair in women), and memory, but the evidence is still limited. Talk to your pharmacist or doctor before using concentrated supplements, especially if you are pregnant or have a health condition.

Mentha spicata · Lamiaceae · Leaves and essential oil · Tea, capsules, dried leaf, essential oil, extract

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

Spearmint: dosing

There is no official standard dose for spearmint. In research, people have used it as a cup of tea once or twice a day, or as standardized extracts in capsules. Because products vary widely in strength, it is best to follow the directions on the product label.Spearmint supplements are sometimes standardized to a certain amount of rosmarinic acid. Start low and watch how your body responds.

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

Read the full Spearmint monograph & all interactions
Medication

About Mineral Oil

What Is Mineral Oil Used For?

Brand name: Kondremul Plain

Most mineral oil products are used to relieve occasional constipation. Rectal enema products — including Fleet, Leader Ready to Use Mineral Oil, Foster and Thrive Ready to Use Mineral oil, Enema, and Enema Mineral Oil — are also used for relief of fecal impaction (stool that is stuck and won't pass) and to remove residue left in the bowel after a barium procedure.

Humco Mineral Oil Light topical liquid is used to help treat and prevent diaper rash, protect chafed skin, and seal out wetness. HANHOO BlemishPatch is applied directly to skin concerns as a topical patch.

See full Mineral Oil drug information
Keep checking

Other Drugs & Spearmint

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

0Major
579Moderate
0Minor
2,250No known interaction
Moderate

579 interactions

Showing 60 of 579 moderate interactions — see all 579 on the Spearmint page.

No interaction 2,250 drugs checked — show the list
Evidence & sources

Spearmint References

The 20 references that drive our Spearmint 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. Electronic Code of Federal Regulations. Title 21. Part 182 -- Substances Generally Recognized As Safe. Available at: https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPart=182
  2. Akdogan M, Ozguner M, Aydin G, Gokalp O. Investigation of biochemical and histopathological effects of Mentha piperita Labiatae and Mentha spicata Labiatae on liver tissue in rats. Hum Exp Toxicol 2004;23:21-8.
  3. Poon, T. S. and Freeman, S. Cheilitis caused by contact allergy to anethole in spearmint flavoured toothpaste. Australas.J Dermatol. 2006;47(4):300-301. PubMed
  4. Andersen, K. E. Contact allergy to toothpaste flavors. Contact Dermatitis 1978;4(4):195-198. PubMed
  5. de Sousa, D. P., Farias Nobrega, F. F., and de Almeida, R. N. Influence of the chirality of (R)-(-)- and (S)-(+)-carvone in the central nervous system: a comparative study. Chirality 5-5-2007;19(4):264-268.
  6. Larsen, W., Nakayama, H., Fischer, T., Elsner, P., Frosch, P., Burrows, D., Jordan, W., Shaw, S., Wilkinson, J., Marks, J., Jr., Sugawara, M., Nethercott, M., and Nethercott, J. Fragrance contact dermatitis: a worldwide multicenter investigation (Part II PubMed
  7. Guney, M., Oral, B., Karahanli, N., Mungan, T., and Akdogan, M. The effect of Mentha spicata Labiatae on uterine tissue in rats. Toxicol.Ind.Health 2006;22(8):343-348.
  8. Masumoto, Y., Morinushi, T., Kawasaki, H., Ogura, T., and Takigawa, M. Effects of three principal constituents in chewing gum on electroencephalographic activity. Psychiatry Clin.Neurosci. 1999;53(1):17-23. PubMed
  9. Bulat, R., Fachnie, E., Chauhan, U., Chen, Y., and Tougas, G. Lack of effect of spearmint on lower oesophageal sphincter function and acid reflux in healthy volunteers. Aliment.Pharmacol Ther. 1999;13(6):805-812. PubMed
  10. Francalanci, S., Sertoli, A., Giorgini, S., Pigatto, P., Santucci, B., and Valsecchi, R. Multicentre study of allergic contact cheilitis from toothpastes. Contact Dermatitis 2000;43(4):216-222. PubMed
  11. Bonamonte, D., Mundo, L., Daddabbo, M., and Foti, C. Allergic contact dermatitis from Mentha spicata (spearmint). Contact Dermatitis 2001;45(5):298.
  12. Tomson, N., Murdoch, S., and Finch, T. M. The dangers of making mint sauce. Contact Dermatitis 2004;51(2):92-93. PubMed
  13. Clayton, R. and Orton, D. Contact allergy to spearmint oil in a patient with oral lichen planus. Contact Dermatitis 2004;51(5-6):314-315. PubMed
  14. Dal Sacco, D., Gibelli, D., and Gallo, R. Contact allergy in the burning mouth syndrome: a retrospective study on 38 patients. Acta Derm.Venereol. 2005;85(1):63-64. PubMed
  15. Goncalves, J. C., Oliveira, Fde S., Benedito, R. B., de Sousa, D. P., de Almeida, R. N., and de Araujo, D. A. Antinociceptive activity of (-)-carvone: evidence of association with decreased peripheral nerve excitability. Biol Pharm Bull. 2008;31(5):1017- 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 Spearmint and Mineral Oil Together: Common Questions

Is it safe to take Spearmint with Mineral Oil?
We do not list a known interaction between Spearmint and Mineral Oil. 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.
Should I take Spearmint and Mineral Oil at the same time of day?
At least one FDA label for a product containing Mineral Oil says to take it with food. If you take Spearmint on an empty stomach out of habit, keep them separate and take Mineral Oil with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Mineral Oil products can differ — so check the directions on your own box. This is about absorption, not an interaction.
How was the Spearmint and Mineral Oil combination checked?
Interactions in our licensed database are recorded against drug classes. Mineral Oil is filed under 1 classification, and Spearmint has documented interactions with 2 drug classes — none of Mineral Oil's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Spearmint interact with any other medications?
Yes. Spearmint has 579 documented drug interactions in our database — Mineral Oil is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Mineral Oil interact with any supplements?
Yes. Mineral Oil has documented interactions with 17 supplements in our database — Spearmint is not one of them. The Mineral Oil 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 Mineral Oil and Spearmint?

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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.