Major interaction on record — check this product against your medications before combining. Check your meds →
Dietary supplement

Can-Gest Ingredients & Drug Interactions

by Alta Health Products

Can-Gest label
See full label image
Unknown Category: Botanical
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Can-Gest against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Major

Can-Gest is a dietary supplement by Alta Health Products with 7 active ingredients. Its ingredients are commonly taken for irritable bowel syndrome (ibs), indigestion and gas, nausea.Based on those ingredients, 1,290 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Peppermint, Boldo Tree, Balm. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Can-Gest by Alta Health Products

Ask about any prescription or over-the-counter medication and we check it for interactions with Can-Gest by Alta Health Products — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Can-Gest by Alta Health Products

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 11, 2026

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 7 active ingredients.
  • “Alta Health Products Proprietary Blend” is a proprietary blend — the label doesn't break down how much of each component you get.

Can-Gest contains 7 ingredients, including peppermint, mallow, boldo tree, alder buckthorn, orange tree, lemon balm, and a proprietary blend. The three we know the most about are peppermint (the most widely studied for digestive support), alder buckthorn (a strong laxative), and lemon balm.

There are no inactive ingredients listed for this product.

Does it work?

Strong evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Strong

Clinical evidence supports at least one of this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: digestive system support and elimination.
  • We looked for evidence on: Abdominal pain, Constipation, Dyspepsia, Gallbladder disease, Irritable bowel syndrome (IBS), Postoperative ileus — and 4 related terms.
  • The strongest evidence on file: Peppermint is rated "Likely Effective" for Irritable bowel syndrome (IBS) (Natural Medicines).
  • Also on file: Peppermint is rated "Possibly Effective" for Dyspepsia.
  • Also on file: Alder Buckthorn is rated "Possibly Effective" for Constipation.

Peppermint is likely effective for irritable bowel syndrome (IBS) and possibly effective for indigestion, nausea from chemotherapy or medical procedures, and reducing colon spasms during barium enema. Alder buckthorn is possibly effective for constipation, though it's intended only for short-term use.

Mallow, lemon balm, boldo tree, orange tree, and marigold don't have sufficient reliable evidence in our data to establish whether they work for any specific condition.

The evidence, ingredient by ingredient Peppermint Mallow Boldo Alder Buckthorn Sweet Orange Lemon Balm Calendula

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 7 of the 7 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 7 of 7.
  • General safety write-ups exist for 7 of 7.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Peppermint is generally well tolerated when taken by mouth, though you might experience abdominal pain, belching, diarrhea, dry mouth, heartburn, nausea, or vomiting. Concentrated peppermint oil should be used cautiously; rare cases of severe allergic reactions and oral burns from undiluted oil have been reported.

Alder buckthorn is safe for short-term use (8–10 days) but chronic use can damage your digestive tract lining and cause a condition called pseudomelanosis coli (dark pigmentation), which may increase colorectal cancer risk. Mallow is generally well tolerated short-term but may cause diarrhea, indigestion, nausea, or vomiting.

Boldo contains ascaridole, a liver toxin, and has caused hepatotoxicity (liver damage) in case reports; it's not safe during pregnancy. Lemon balm is generally well tolerated but high-dose and long-term safety aren't well studied.

We have no safety data on file for orange tree or marigold.

Side effects, ingredient by ingredient Peppermint Mallow Boldo Alder Buckthorn Sweet Orange Lemon Balm Calendula

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 6 of the 7 matched ingredients can interact with medications — Calendula, Lemon Balm, Boldo, Peppermint, Alder Buckthorn, among others.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; heart-rhythm medications; lithium.
  • For scale: 1,291 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking Can-Gest, double-check with your pharmacist if you take any of these: drugs metabolized by CYP3A4, CYP2C9, or CYP2C19 enzymes (including some heart and psychiatric medications); blood thinners or antiplatelet drugs like warfarin; lithium; transplant rejection prevention drugs (tacrolimus, cyclosporine); corticosteroids; potassium-depleting diuretics; heart medications like digoxin; or thyroid hormones. These are Moderate-severity interactions.

Additionally, avoid combining this product with other stimulant laxatives or drugs that harm the liver.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with clinical evidence supporting its stated purpose. Major medication interactions have been identified, and safety information is well characterized.

Can-Gest is built around peppermint for digestive support, backed by solid evidence for IBS, along with alder buckthorn as a short-term laxative. If you take any blood thinners, heart medications, lithium, tacrolimus, corticosteroids, diuretics, thyroid hormones, or CNS depressants, check your specific medications with the tool on this page before starting—the ingredient interactions are real.

Talk to your pharmacist before using this product, especially if you're pregnant, breastfeeding, or have liver disease.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 7 of 7 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated May 19, 2022.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Can-Gest, straight from the product label.

Brand Alta Health Products
Barcode (UPC) 076920000345
Net contents 4 Ounce(s)
Market status On market
Date entered into DSLD May 19, 2022
DSLD ID 263251
Product type Botanical
Supplement form Unknown
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Can-Gest by Alta Health Products, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
0.25 tsp
Maximum serving Sizes:
0.25 tsp
UPC/BARCODE
076920000345
IngredientAmount% DV
Peppermint0 NP--
Mallow0 NP--
Alta Health Products Proprietary Blend0 NP--
Boldo Tree0 NP--
Alder Buckthorn0 NP--
Orange Tree0 NP--
Balm0 NP--
Marigold0 NP--

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation

A traditional blend of eight herbal extracts that nourish the digestive system and help maintain the eliminative system while providing nutritional support for the liver.

A Natural Digestive Aid

Free from: Sugar, salt, yeast, wheat, soy, dairy products, colorings, flavorings or preservatives. No GMO. Gluten free.

Made in USA

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

FDA Statement of Identity

Herbal Dietary Supplement

General Statements

4 oz. Tub

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement take 1/4 tsp in a tea cup of hot water.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Can-Gest by Alta Health Products label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Can-Gest label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Can-Gest by Alta Health Products

These are the 7 active ingredients this product is made of. Select any to open its full monograph.

Serving size0.25 tsp Dosage formUnknown Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Alta Health Products Proprietary Blend

0 NP per serving
Interaction report

Can-Gest by Alta Health Products Drug Interactions

Want to check YOUR meds against Can-Gest?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
1,290Drugs
48 Major 1,224 Moderate 18 Minor

Ingredients driving the most interactions

Peppermint 796
Boldo Tree 482
Balm 264
Marigold 248
Orange Tree 246

Individual Drug Interactions

The ingredients in Can-Gest interact with 1,290 drugs. Click any drug to see the details.

6 of the 7 ingredients in Can-Gest interact with drugs. Each result below shows which ingredient is responsible. Peppermint Boldo Tree Balm Marigold Orange Tree Alder Buckthorn

Each ingredient & the kinds of drugs it affects

For each ingredient in Can-Gest with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Peppermint5 drug types · 796 drugs

Cyclosporine (Neoral, Sandimmune)

Theoretically, peppermint oil might increase the levels and adverse effects of cyclosporine.
In animal research, peppermint oil inhibits cyclosporine metabolism and increases cyclosporine levels. Inhibition of cytochrome P450 3A4 (CYP3A4) may be partially responsible for this interaction. An interaction between peppermint oil and cyclosporine has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C19 (Cyp2C19) Substrates

Theoretically, peppermint might increase the levels of CYP2C19 substrates.
In vitro research shows that peppermint oil inhibits CYP2C19. So far, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, peppermint might increase the levels of CYP2C9 substrates.
In vitro research shows that peppermint oil inhibits CYP2C9. So far, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, peppermint might increase the levels of CYP3A4 substrates.
Clinical research in healthy volunteers shows that a single dose of peppermint oil 600 mg inhibits CYP3A4 enzymes and increases the AUC of felodipine, a CYP3A4 substrate. However, in vitro research suggests that peppermint oil only inhibits CYP3A4 at very high concentrations.

Likelihood Possible Evidence B
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, peppermint might increase the levels of CYP1A2 substrates.
In vitro and animal research shows that peppermint oil and peppermint leaf inhibit CYP1A2. However, in clinical research, peppermint tea did not significantly affect the metabolism of caffeine, a CYP1A2 substrate. It is possible that the 6-day duration of treatment may have been too short to identify a difference.

Likelihood Possible Evidence B
Peppermint full monograph & interactions

Boldo Tree5 drug types · 482 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, taking boldo with anticoagulant/antiplatelet drugs might increase the risk of bleeding.
Animal and in vitro research shows that boldine, a constituent of boldo, has antiplatelet activity. In one case report, an adult taking a combination of boldo and fenugreek with warfarin experienced an increase in international normalized ratio (INR); however, it is unclear if this effect was due to boldo, fenugreek, the combination, or another factor.

Likelihood Possible Evidence D
Hepatotoxic Drugs

Theoretically, taking boldo with hepatotoxic drugs might increase the risk of hepatic injury and disease.
Boldo leaf contains ascaridole, a known liver toxin. Many cases of hepatotoxicity, including elevated liver transaminase levels and jaundice, have been reported in patients taking boldo.

Likelihood Possible Evidence D
Lithium

Theoretically, taking boldo with lithium might increase the levels and clinical effects of lithium.
Boldo is believed to have diuretic effects. Theoretically, these diuretic effects might reduce the excretion of lithium. The dose of lithium might need to be decreased.

Likelihood Probable Evidence D
Tacrolimus (Prograf)

Taking boldo with tacrolimus may decrease the levels and clinical effects of tacrolimus, potentially increasing the risk of transplant rejection.
In one case report, a patient with a long-term history of stable tacrolimus levels developed subtherapeutic levels after taking boldo 300 mg twice daily orally for several weeks. Tacrolimus levels returned to normal after discontinuing boldo. However, the mechanism of this interaction is unclear.

Likelihood Possible Evidence D
Warfarin (Coumadin)

A combination of boldo and fenugreek was thought to be associated with an increased international normalized ratio (INR) in a female on warfarin. It is not clear if boldo, fenugreek, or the combination played a role in this interaction. Therefore, boldo may have additive effects with warfarin.

Likelihood Possible Evidence D
Boldo Tree full monograph & interactions

Balm2 drug types · 264 drugs

Cns Depressants

Theoretically, concomitant use of lemon balm might have additive effects with CNS depressant drugs.
Lemon balm seems to have CNS depressant activity in animals and in humans.

Likelihood Possible Evidence B
Thyroid Hormone

Theoretically, lemon balm might interfere with thyroid hormone replacement therapy.
In vitro, constituents of lemon balm extract bind to thyroid stimulating hormone (TSH), preventing TSH receptor-binding and leading to the inhibition of TSH-stimulated adenylate cyclase activity. In animals, lemon balm extract has been shown to decrease levels of circulating TSH and inhibit thyroid secretion.

Likelihood Possible Evidence D
Balm full monograph & interactions

Marigold1 drug type · 248 drugs

Cns Depressants

Theoretically, calendula might have additive effects when used with CNS depressants, although this appears to be unlikely.
Although some animal research has suggested that a saponoside constituent in calendula may have sedative effects, calendula has been used for over 30 years without reports of sedation in humans.

Likelihood Unlikely Evidence D
Marigold full monograph & interactions

Orange Tree7 drug types · 246 drugs

Celiprolol (Celicard)

Consuming sweet orange with celiprolol can decrease oral absorption of celiprolol.
A pharmacokinetic study in healthy volunteers shows that celiprolol levels, after a single dose of 100 mg, are decreased by up to 90% in people who drink sweet orange juice 200 mL three times daily. It's not known if lower consumption of sweet orange juice will have the same effect. Theoretically, this occurs due to short-term inhibition of organic anion transporting polypeptide (OATP). Recommend separating drug administration and consumption of sweet orange by at least 4 hours.

Likelihood Likely Evidence B
Ivermectin (Stromectol, Others)

Consuming sweet orange juice with ivermectin can decrease the oral absorption of ivermectin.
A pharmacokinetic study in healthy volunteers shows that taking ivermectin orally with sweet orange juice 750 mL over 4 hours reduces the bioavailability of ivermectin. This effect does not seem to be related to effects on P-glycoprotein. The effect on ivermectin is more pronounced in males compared to females.

Likelihood Likely Evidence B
Organic Anion-Transporting Polypeptide Substrates (Oatp)

Consuming sweet orange juice can decrease oral absorption of OATP substrates. Separate administration by at least 4 hours.
Clinical research shows that consuming sweet orange juice inhibits OATP, which reduces bioavailability of oral drugs that are substrates of OATP. For example, sweet orange juice decreases bioavailability of fexofenadine, a substrate of OATP, by about 72% and of celiprolol, another OATP substrate, by up to 90%. Since sweet orange juice seems to affect OATP for a short time, recommend separating drug administration and consumption of sweet orange juice by at least 4 hours.

Likelihood Likely Evidence B
Pravastatin (Pravachol)

Consuming sweet orange juice with pravastatin can increase the absorption of pravastatin.
A small pharmacokinetic study in healthy volunteers shows that consuming sweet orange juice 800 mL over 3 hours, including before, during, and after taking pravastatin 10 mg, increases pravastatin levels by about 149%, without affecting pravastatin elimination. Theoretically this effect might be due to modulation of organic anion transporting polypeptides (OATPs) by sweet orange juice. Sweet orange juice does not seem to affect simvastatin levels, but it is not known if sweet orange affects any of the other statins.

Likelihood Likely Evidence B
Fexofenadine (Allegra)

Consuming sweet orange juice with fexofenadine can decrease oral absorption of fexofenadine.
Clinical research shows that coadministration of sweet orange juice 1200 mL decreases bioavailability of fexofenadine by about 72%. In an animal model, sweet orange juice decreased bioavailability of fexofenadine by 31%. Fexofenadine manufacturer data indicates that concomitant administration of sweet orange juice and fexofenadine results in larger wheal and flare sizes in research models. This suggests that sweet orange reduces the clinical response to fexofenadine. Theoretically, this occurs due to short-term inhibition of organic anion transporting polypeptide (OATP). Recommend separating drug administration and consumption of sweet orange by at least 4 hours.

Likelihood Likely Evidence B
P-Glycoprotein Substrates

Sweet orange juice seems to modulate P-glycoprotein (P-gp), which might affect the blood levels of P-gp substrates.
Animal and in vitro research suggest that orange juice extract inhibits drug efflux by P-gp, increasing absorption and levels of P-gp substrates. In contrast, pharmacokinetic research in humans shows that drinking large amounts of sweet orange juice decreases absorption and levels of the P-gp substrate celiprolol. This suggests that orange juice actually induces drug efflux by P-gp or affects drug levels by another mechanism such as inhibiting the gut drug transporter called organic anion transporting polypeptide (OATP). Until more is known, sweet orange juice should be used cautiously in people taking P-gp substrates.

Likelihood Possible Evidence B
Quinolone Antibiotics

Calcium-fortified sweet orange juice might reduce quinolone absorption.
Calcium binds to quinolones in the gut. Theoretically, the calcium in certain fortified orange juices can also bind to quinolone antibiotics and reduce their absorption and levels.

Likelihood Possible Evidence D
Orange Tree full monograph & interactions

Alder Buckthorn5 drug types · 122 drugs

Corticosteroids

Alder buckthorn has stimulant laxative effects. Theoretically, concomitant use of corticosteroids with alder buckthorn can increase the risk of potassium depletion.

Likelihood Possible Evidence D
Digoxin (Lanoxin)

Alder buckthorn has stimulant laxative effects. Theoretically, potassium depletion associated with alder buckthorn might increase the risk of digoxin toxicity.

Likelihood Possible Evidence D
Diuretic Drugs

Alder buckthorn has stimulant laxative effects. Theoretically, overuse of alder buckthorn might compound diuretic-induced potassium loss. There is some concern that people taking alder buckthorn along with potassium depleting diuretics might have an increased risk for hypokalemia.
Some diuretics that can deplete potassium include chlorothiazide (Diuril), chlorthalidone (Thalitone), furosemide (Lasix), and hydrochlorothiazide (HCTZ, HydroDIURIL, Microzide), and others.

Likelihood Possible Evidence D
Stimulant Laxatives

Alder buckthorn has stimulant laxative effects. Concomitant use with stimulant laxative medications might compound fluid and electrolyte loss.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Alder buckthorn has stimulant laxative effects. In some people alder buckthorn can cause diarrhea. Diarrhea can increase the effects of warfarin, increase international normalized ratio (INR), and increase the risk of bleeding. Advise patients who take warfarin not to take excessive amounts of alder buckthorn.

Likelihood Possible Evidence D
Alder Buckthorn full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Can-Gest, from the product label.

Alta Health Products

See all Alta Health Products products
Name
Alta Health Products
City
Idaho City
State
ID
ZipCode
83631
Pharmacist Counseling Corner

Can-Gest by Alta Health Products: Common Questions

Does Can-Gest by Alta Health Products interact with any medications?
Yes. Based on its ingredients, Can-Gest has a known interaction with 1,290 medications, including 48 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Can-Gest contains 7 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Is peppermint in Can-Gest safe to use?
Peppermint is generally well tolerated when taken by mouth, though it can cause abdominal pain, belching, diarrhea, dry mouth, heartburn, nausea, or vomiting in some people. Concentrated peppermint oil should be used carefully—severe allergic reactions and oral burns from undiluted oil are rare but have been reported.
Can I take Can-Gest if I'm pregnant?
Peppermint is rated likely safe during pregnancy, but boldo is possibly unsafe and may stimulate the uterus, so it's best avoided. Mallow, alder buckthorn, and lemon balm have insufficient data or are not recommended in pregnancy. Talk to your doctor or pharmacist about whether this product is right for you.
How long can I use Can-Gest safely?
Peppermint and lemon balm are intended for short-term use, and safety with long-term dosing isn't well studied. Alder buckthorn should not be used longer than 8 to 10 days because chronic use can damage your bowel lining. If you need ongoing digestive support, check with your pharmacist.
Does alder buckthorn in Can-Gest cause side effects?
Alder buckthorn can cause cramp-like discomfort and diarrhea. Chronic use (9 months or longer) is linked to pseudomelanosis coli—dark pigmentation of the colon—which may increase colorectal cancer risk, though evidence is mixed.
What is Can-Gest supposed to help with?
Peppermint is likely effective for irritable bowel syndrome and possibly effective for indigestion and nausea. Alder buckthorn is possibly effective for constipation short-term. The other ingredients don't have enough reliable evidence in our data to confirm they work for specific conditions.
Can I take Can-Gest if I'm breastfeeding?
Mallow and boldo should be avoided while breastfeeding because safety data are limited or unknown. Lemon balm has limited safety information, so use caution and talk to your doctor first. Peppermint in food amounts is likely fine, but concentrated supplements need approval from your provider. We have no safety data on file for orange tree or marigold.

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

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Can-Gest label
Go deeper

The Full Monographs Behind Can-Gest’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Peppermint

Interacts with 796 drugs

Peppermint is a popular herb with the best evidence supporting enteric-coated peppermint oil for easing IBS symptoms. It is generally well tolerated for most adults, but it can cause heartbu...

Read the full Peppermint monograph → Herb & supplement monograph

Mallow

Mallow (Malva sylvestris) is a traditional herb valued for its soothing, mucilage-rich leaves and flowers, used mostly for sore throat, cough, and minor skin or stomach irritation. Scientifi...

Read the full Mallow monograph → Herb & supplement monograph

Boldo

Interacts with 482 drugs

Boldo is a South American shrub whose leaves are traditionally used for digestive and gallbladder complaints, but good human evidence is very limited. The leaves and oil contain ascaridole,...

Read the full Boldo monograph → Herb & supplement monograph

Alder Buckthorn

Interacts with 122 drugs

Alder buckthorn bark is a stimulant laxative traditionally used for short-term relief of constipation. It can work, but it carries real risks with prolonged use, including bowel damage, and...

Read the full Alder Buckthorn monograph → Herb & supplement monograph

Sweet Orange

Interacts with 246 drugs

Sweet orange is a common citrus fruit that is a good source of vitamin C, fiber, and antioxidants, and is enjoyed as a food worldwide. Its peel and essential oil are used in aromatherapy and...

Read the full Sweet Orange monograph → Herb & supplement monograph

Lemon Balm

Interacts with 264 drugs

Lemon balm is a gentle, lemon-scented mint-family herb traditionally used to ease stress, support sleep, and calm digestion, and topically for cold sores. Early studies are promising but gen...

Read the full Lemon Balm monograph → Herb & supplement monograph

Calendula

Interacts with 248 drugs

Calendula is a flowering plant whose petals are used mainly in skin creams, oils, and ointments to soothe minor irritation and support wound healing. Some early research is promising for ski...

Read the full Calendula monograph →
Sources

Sources & How We Checked

Can-Gest's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 101 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Peppermint 41 references
  1. Liu JH, Chen GH, Yeh HZ, et al. Enteric-coated peppermint-oil capsules in the treatment of irritable bowel syndrome: a prospective, randomized trial. J Gastroenterol 1997;32:765-8. PubMed
  2. Pittler MH, Ernst E. Peppermint oil for irritable bowel syndrome: a critical review and metaanalysis. Am J Gastroenterol 1998;93:1131-5. PubMed
  3. Kline RM, Kline JJ, Di Palma J, Barbero GJ. Enteric-coated, pH-dependent peppermint oil capsules for the treatment of irritable bowel syndrome in children. J Pediatr 2001;138:125-8. PubMed
  4. Madisch A, Heydenreich CJ, Wieland V, et al. Treatment of functional dyspepsia with a fixed peppermint oil and caraway oil combination preparation as compared to cisapride. A multicenter, reference-controlled, double-blind equivalence study. Arzneimittel
  5. May B, Kuntz HD, Kieser M, Kohler S. Efficacy of a fixed peppermint oil/caraway oil combination in non-ulcer dyspepsia. Arzneimittelforschung 1996;46:1149-53.
  6. Micklefield GH, Greving I, May B. Effects of peppermint oil and caraway oil on gastroduodenal motility. Phytother Res 2000;14:20-3. DOI
  7. Morton CA, Garioch J, Todd P, et al. Contact sensitivity to menthol and peppermint in patients with intra-oral symptoms. Contact Dermatitis 1995;32:281-4. PubMed
  8. May B, Kohler S, Schneider B. Efficacy and tolerability of a fixed combination of peppermint oil and caraway oil in patients suffering from functional dyspepsia. Aliment Pharmacol Ther 2000;14:1671-7. PubMed
  9. Nash P, Gould SR, Bernardo DE. Peppermint oil does not relieve the pain of irritable bowel syndrome. Br J Clin Pract 1986;40:292-3. DOI
  10. Rees WD, Evans BK, Rhodes J. Treating irritable bowel syndrome with peppermint oil. Br Med J 1979;2:835-6. PubMed
  11. Davies SJ, Harding LM, Baranowski AP. A novel treatment of postherpetic neuralgia using peppermint oil. Clin J Pain 2002;18:200-2. PubMed
  12. Weston CF. Anal burning and peppermint oil. Postgrad Med J 1987;63:717. PubMed
  13. Dresser GK, Wacher V, Wong S, et al. Evaluation of peppermint oil and ascorbyl palmitate as inhibitors of cytochrome P4503A4 activity in vitro and in vivo. Clin Pharmacol Ther 2002;72:247-55. PubMed
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Mallow 2 references
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Boldo 10 references
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Alder Buckthorn 10 references
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Sweet Orange 17 references
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Lemon Balm 12 references
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Calendula 9 references
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

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