What Supplements Interact with Methapyrilene?
Methapyrilene brand name: Capathyn. Every interaction below applies to the brands too.
Drug–supplement interaction data sourced from Natural Medicines Pro, the licensed clinical database from TRC Healthcare / Therapeutic Research, with additional analysis by the HelloPharmacist Pharmacist Team. Our sources · Editorial policy
What is this page for?
One answer, for one medication: what supplements and herbal products interact with Methapyrilene? Every vitamin, herb, and supplement ingredient we’ve checked against it is on this page, ranked by severity, each linking to the full report for that exact pair.
This page covers supplement interactions only — to check Methapyrilene against your other medications, use the drug–drug interaction checker. Educational information from our licensed clinical databases, not medical advice. Our editorial policy
46 supplements and herbal ingredients have interactions with Methapyrilene on file in the HelloPharmacist interaction database — 3 rated major, 32 moderate, and 11 minor. The most serious involve Activated Charcoal, Henbane and Scopolia.
Our assessment: with 3 major-rated interactions on the list, this one deserves real attention — know the major entries before combining anything with Methapyrilene.
Ranked by severity below. Every entry links to the full pharmacist-reviewed report for that exact combination — what can happen, how likely it is, and what to do about it.
This box checks one ingredient at a time (like turmeric or magnesium). Taking a supplement product with a whole label of ingredients? Search the product instead — we check every ingredient on it ↓
Methapyrilene: Top Interactions at a Glance
The most significant Methapyrilene supplement & herbal interactions, colored by severity. Tap any ingredient to open the full report for that pair.
Showing the 12 highest-ranked of 46 interacting ingredients — plus 1,406 more checked with no known interaction. See the complete ranked list.
The Major Interactions to Know About
The most clinically significant Methapyrilene + supplement combinations in our database, best-documented first. Open any card for the full report.
Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the route of administration.
Read the full interaction Major Likelihood Probable Henbane + MethapyrileneiConcomitant use of henbane can have additive anticholinergic effects and adverse effects with amantadine, antihistamines, atropine, belladonna alkaloids, hyoscy...
Read the full interaction Major Likelihood Probable Scopolia + MethapyrileneiThe alkaloid constituents of scopolia, including hyoscyamine, scopolamine, and atropine, could potentiate the effects and adverse effects of anticholinergic dru...
Read the full interactionEvery Supplement Checked Against Methapyrilene
All 1,452 ingredients in our database, ranked by severity — 46 with a Methapyrilene interaction on file and 1,406 with none found. Filter by severity or search any ingredient; hover the for what each ingredient is.
Looking for an interaction with a specific supplement product? Search products instead ↓
No ingredients match “”.
Activated CharcoalActivated Carbon, animal Charcoal, carbo Vegetabilis, +13 more Probable
What it is: Activated charcoal is a highly porous form of carbon that can bind certain substances in the gut, and it is used in hospitals to treat some...
Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the route of administration.
Read the full Activated Charcoal + Methapyrilene interactionHenbaneHyoscyamus Niger, beleño, devil's Eye, +11 more Probable
What it is: Henbane is a highly poisonous plant containing potent alkaloids like hyoscyamine and scopolamine, and even small amounts can cause serious o...
Concomitant use of henbane can have additive anticholinergic effects and adverse effects with amantadine, antihistamines, atropine, belladonna alkaloids, hyoscyamine, phenothiazines, procainamide, scopolamine, and tricyclic antidepressants.
Read the full Henbane + Methapyrilene interactionScopoliaScopolia Carniolica, belladonna Scopola, escopolia, +6 more Probable
What it is: Scopolia is a poisonous plant in the nightshade family that contains powerful anticholinergic alkaloids like atropine, hyoscyamine, and scop...
The alkaloid constituents of scopolia, including hyoscyamine, scopolamine, and atropine, could potentiate the effects and adverse effects of anticholinergic drugs.
Read the full Scopolia + Methapyrilene interactionBelladonna Probable
What it is: Belladonna is a highly toxic plant whose alkaloids (like atropine and scopolamine) are powerful medicines used only in carefully controlled,...
Belladonna may increase the risk of adverse effects when used concomitantly with anticholinergic drugs.
Read the full Belladonna + Methapyrilene interactionBetel Nut Probable
What it is: Betel nut is the seed of the areca palm and is chewed by millions of people across Asia and the Pacific as a stimulant.
In vitro and animal research suggests that betel nut extract can inhibit acetylcholinesterase activity.
Read the full Betel Nut + Methapyrilene interactionCoffee CharcoalCafé Arabica, café Carbonisé, café Robusta, +5 more Probable
What it is: Coffee charcoal is made by roasting green coffee beans until they turn black, creating a charcoal-like material used traditionally for diarr...
Coffee charcoal can reduce the absorption of orally administered drugs and should be separated from oral drug administration by at least two hours.
Read the full Coffee Charcoal + Methapyrilene interactionDatura Wrightii Probable
What it is: Datura wrightii (sacred datura or jimsonweed relative) is a highly poisonous desert plant that has been used in some traditional and ceremon...
Datura wrightii contains atropine and scopolamine, as well as other tropane alkaloids with anticholinergic activity.
Read the full Datura Wrightii + Methapyrilene interactionEuropean MandrakeMandragora Officinarum, alraunwurzel, mandragora, +7 more Probable
What it is: European mandrake is a highly toxic plant from the nightshade family that was used in ancient and medieval times as a sedative and pain reli...
Theoretically, concurrent use might increase absorption of some drugs because of inhibited gastrointestinal (GI) motility caused by European mandrake.
Read the full European Mandrake + Methapyrilene interactionGlucomannanGlucomanano, glucomannane, konjac, +1 more Probable
What it is: Glucomannan is a soluble fiber from the konjac root that swells into a gel in your stomach, which may help with mild weight loss, constipati...
Theoretically, glucomannan may decrease absorption of drugs taken orally.
Read the full Glucomannan + Methapyrilene interactionAngel's TrumpetBrugmansia Species, devil's Trumpet, floripondio, +5 more Possible
What it is: Angel's Trumpet is a highly poisonous ornamental plant that contains powerful toxins like scopolamine and atropine.
Concomitant use may increase anticholinergic effects and adverse effects.
Read the full Angel's Trumpet + Methapyrilene interactionBacopaBacopa Monnieri, andri, brahmi, +11 more Possible
What it is: Bacopa is an Ayurvedic herb most often used for memory and thinking.
Theoretically, concurrent use might decrease the effectiveness of both agents.
Read the full Bacopa + Methapyrilene interactionBoxwoodBuxus Sempervirens, bois D'artois, bois Béni, +15 more Possible
What it is: Boxwood is an evergreen shrub whose leaves have been used in folk medicine, most notably in some early studies looking at HIV.
Evidence from in vitro research suggests that boxwood extract can inhibit acetylcholinesterase activity.
Read the full Boxwood + Methapyrilene interactionCalamusAcorus Calamus, acore Calame, acore Odorant, +20 more Possible
What it is: Calamus is a swamp plant with a long history in Ayurvedic and traditional Chinese medicine, mostly for digestive and nervous-system complain...
Theoretically, concurrent use of anticholinergic drugs and calamus might decrease the effectiveness of the anticholinergic drug.
Read the full Calamus + Methapyrilene interactionClubmossLycopodium Clavatum, club Moss, common Clubmoss, +12 more Possible
What it is: Clubmoss (Lycopodium clavatum) is a primitive plant with a long history in folk medicine and homeopathy, but there is very little reliable h...
Evidence from in vitro research suggests that clubmoss extract can inhibit acetylcholinesterase activity.
Read the full Clubmoss + Methapyrilene interactionCorkwood Tree Possible
What it is: Corkwood Tree (Duboisia myoporoides) is an Australian plant best known as a commercial source of powerful tropane alkaloids like scopolamine...
Theoretically, corkwood tree might increase the risk of adverse anticholinergic effects when taken with anticholinergic drugs.
Read the full Corkwood Tree + Methapyrilene interactionEuropean BarberryBerberis Vulgaris, agracejo, barberry, +15 more Possible
What it is: European barberry is a shrub whose root, bark, and berries contain berberine, a bitter plant alkaloid that has been studied mostly in isolat...
Theoretically, taking European barberry with anticholinergic drugs might cause additive effects.
Read the full European Barberry + Methapyrilene interactionGuar GumDietary Fiber, farine De Guar, fibre Alimentaire, +10 more Possible
What it is: Guar gum is a soluble, gel-forming fiber from the guar bean that may modestly help with cholesterol, blood sugar, and bowel regularity.
Guar gum might reduce the absorption of some oral drugs, potentially decreasing their effectiveness.
Read the full Guar Gum + Methapyrilene interactionGum ArabicAcacia, acacia Gum, arabic Gum, +16 more Possible
What it is: Gum arabic is a soluble dietary fiber from the acacia tree that is widely used as a safe food additive and is sometimes taken as a supplemen...
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Gum Arabic + Methapyrilene interactionHuperzine AHupa, huperzina A, huperzine, +3 more Possible
What it is: Huperzine A is a purified compound from a Chinese clubmoss that acts like a mild cholinesterase inhibitor, similar in mechanism to some pres...
Theoretically, huperzine A might decrease the effects of anticholinergic drugs.
Read the full Huperzine A + Methapyrilene interactionIbogaTabernanthe Iboga, bois Sacré, eboka Possible
What it is: Iboga is a Central African shrub whose root bark contains ibogaine, a powerful hallucinogenic compound studied mainly for addiction.
Theoretically, iboga might decrease the effectiveness of anticholinergic drugs.
Read the full Iboga + Methapyrilene interactionJimson Weed Possible
What it is: Jimson Weed is a highly poisonous plant that contains powerful nerve-affecting compounds, and even small amounts can cause severe poisoning,...
Theoretically, jimson weed may increase anticholinergic effects and adverse effects.
Read the full Jimson Weed + Methapyrilene interactionMarjoramOriganum Majorana, essence De Marjolaine, garden Marjoram, +12 more Possible
What it is: Marjoram is a Mediterranean kitchen herb related to oregano that is widely used in food and traditional medicine for digestive, sleep, and r...
In vitro research suggests that marjoram extract can inhibit acetylcholinesterase activity.
Read the full Marjoram + Methapyrilene interactionMethylene Blue3, 7-bis (dimethylamino)-phenazathionium Chloride, Azul De Metileno, +8 more Possible
What it is: Methylene blue is a synthetic dye that is an FDA-approved prescription medicine for a rare blood disorder called methemoglobinemia, and it i...
Concomitant use may increase anticholinergic effects and adverse effects.
Read the full Methylene Blue + Methapyrilene interactionNutmegMyristica Fragrans, buah Pala, jaatipatree, +14 more Possible
What it is: Nutmeg is a popular cooking spice that has long been used in traditional medicine for digestion and other complaints, but there is little so...
Theoretically, concomitant use of nutmeg and anticholinergic drugs might decrease the effectiveness of either agent.
Read the full Nutmeg + Methapyrilene interactionPhosphatidylserine Possible
What it is: Phosphatidylserine is a natural fat-like compound found in cell membranes, especially in the brain, and it is sold mainly to support memory...
Theoretically, phosphatidylserine might decrease the effectiveness anticholinergic drugs.
Read the full Phosphatidylserine + Methapyrilene interactionPoria Mushroom Possible
What it is: Poria mushroom (Fu Ling) is a fungus long used in Traditional Chinese Medicine, mainly as a mild diuretic and digestive and calming aid.
Theoretically, poria mushroom might decrease the clinical effects of anticholinergic drugs.
Read the full Poria Mushroom + Methapyrilene interactionPurple Nut Sedge Possible
What it is: Purple nut sedge (Cyperus rotundus) is a common weed whose tubers have a long history in Ayurvedic, Chinese, and other traditional medicine...
In vitro, purple nut sedge dose-dependently inhibits acetylcholinesterase (AChE).
Read the full Purple Nut Sedge + Methapyrilene interactionSageSalvia Officinalis, broadleaf Sage, common Sage, +14 more Possible
What it is: Sage is a common kitchen herb that is generally safe in food amounts and is traditionally used for sore throats, digestion, sweating, and me...
Theoretically, sage might decrease the clinical effects of anticholinergic drugs.
Read the full Sage + Methapyrilene interactionSlippery ElmIndian Elm, moose Elm, olmo Americano, +7 more Possible
What it is: Slippery elm is a traditional herbal remedy made from the inner bark of a North American elm tree, used mainly to soothe sore throats and ir...
Theoretically, slippery elm may slow the absorption and reduce serum levels of oral drugs.
Read the full Slippery Elm + Methapyrilene interactionSyrian Rue Possible
What it is: Syrian Rue (Peganum harmala) is a traditional plant whose seeds contain potent compounds called harmala alkaloids, including MAO-inhibiting...
Theoretically, Syrian rue might decrease the effects of anticholinergic drugs.
Read the full Syrian Rue + Methapyrilene interactionTeazleDipsacus Fullonum, baignoire De Vénus, barber's Brush, +11 more Possible
What it is: Teazle (Dipsacus fullonum) is a spiky plant used in traditional and folk medicine, most notably as a tincture marketed for Lyme disease and...
In vitro research suggests that teazle extract can inhibit acetylcholinesterase activity.
Read the full Teazle + Methapyrilene interactionThymeThymus Vulgaris, farigoule, farigoulette, +14 more Possible
What it is: Thyme is a common kitchen herb that has long been used for coughs, sore throats, and digestive complaints.
Theoretically, concurrent use of anticholinergic drugs and thyme essential oil might reduce the effects of anticholinergic drugs.
Read the full Thyme + Methapyrilene interactionToothed ClubmossHuperzia Serrata, chinese Club Moss, huperazon, +4 more Possible
What it is: Toothed Clubmoss is a moss-like plant best known as the natural source of huperzine A, a compound studied mainly for memory and Alzheimer's...
In animal models, toothed clubmoss and huperzine A, an active constituent of toothed clubmoss, reversed cognitive deficits induced by scopolamine.
Read the full Toothed Clubmoss + Methapyrilene interactionTragacanthAdragante, astragale Adragant, astragale De Marseille, +14 more Possible
What it is: Tragacanth is a plant gum used mainly as a thickener and emulsifier in foods, cosmetics, and medicines, and traditionally to soothe the thro...
Theoretically, tragacanth might alter absorption of oral drugs.
Read the full Tragacanth + Methapyrilene interactionWild LettuceLactuca Virosa, acrid Lettuce, allubbyne, +13 more Possible
What it is: Wild lettuce is a traditional herb used mainly for sleep, anxiety, and pain, but solid human research supporting these uses is very limited.
Studies report varying evidence on whether or not wild lettuce contains hyoscyamine, an anticholinergic drug.
Read the full Wild Lettuce + Methapyrilene interactionThyroid Extract Likely
What it is: Thyroid extract supplements are made from dried animal thyroid gland and may contain real thyroid hormones (T3 and T4), but the amounts in o...
Food and medications can interfere with thyroid hormone absorption.
Read the full Thyroid Extract + Methapyrilene interactionAgarAgar-agar, agarose, agarose Gel, +17 more Possible
What it is: Agar is a plant-based gel made from red seaweed that is widely used as a vegetarian alternative to gelatin and as a source of dietary fiber.
Agar forms a thick gel, which may disrupt the absorption of nutrients and medications.
Read the full Agar + Methapyrilene interactionAlginAlginate, alginate De Calcium, alginate De Magnésium, +12 more Possible
What it is: Algin (alginate) is a fiber-like substance from brown seaweed that is widely used as a thickener, gel, and binder in foods and medicines.
Theoretically, algin can alter the absorption of oral drugs.
Read the full Algin + Methapyrilene interactionBlack PsylliumAfrican Plantain, brown Psyllium, dietary Fiber, +16 more Possible
What it is: Black psyllium is a soluble-fiber supplement made from the seeds of a Plantago plant, used mostly to ease constipation and support digestive...
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Black Psyllium + Methapyrilene interactionBlond PsylliumPlantago Ovata, balle De Psyllium, blond Plantago, +14 more Possible
What it is: Blond psyllium is a soluble fiber from the seed husks of Plantago ovata, and it is one of the better-studied fiber supplements.
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Blond Psyllium + Methapyrilene interactionCarobCeratonia Siliqua, algarrobo, carob Flour, +16 more Possible
What it is: Carob is a Mediterranean tree whose pods are widely used as a caffeine-free, naturally sweet cocoa alternative and as a thickener (carob gum...
Theoretically, carob might also impair the absorption of oral drugs.
Read the full Carob + Methapyrilene interactionKaraya GumBassora Tragacanth, goma Karaya, gomme Karaya, +14 more Possible
What it is: Karaya gum is a natural plant gum from the Sterculia tree that is mostly used as a bulk-forming laxative and as a thickener or adhesive in f...
Co-administration of oral drugs with bulk forming laxatives such as karaya gum may decrease, increase, or have no effect on the absorption of drugs.
Read the full Karaya Gum + Methapyrilene interactionMarshmallowAlthaea Officinalis, altea, alteia, +16 more Possible
What it is: Marshmallow root is a traditional herb rich in soothing, gel-like fibers called mucilage, which is why it has long been used for coughs, sor...
Theoretically, mucilage in marshmallow might impair absorption of oral drugs.
Read the full Marshmallow + Methapyrilene interactionXanthan GumBacterial Polysaccharide, corn Sugar Gum, goma Xantana, +7 more Possible
What it is: Xanthan gum is a fermentation-made fiber widely used to thicken and stabilize foods and to thicken liquids for people with swallowing diffic...
Theoretically, xanthan gum can alter the absorption of oral drugs due to its fiber qualities.
Read the full Xanthan Gum + Methapyrilene interactionCalabar BeanPhysostigma Venenosum, chop Nut, esere Nut, +7 more Unlikely
What it is: Calabar bean is a highly poisonous West African seed that contains physostigmine, a powerful cholinesterase inhibitor.
Theoretically, taking calabar bean might reduce the effects of anticholinergic drugs.
Read the full Calabar Bean + Methapyrilene interactionDeanol2-dimethyl Aminoethanol, cyclohexylpropionate De Déanol, deaner, +9 more Unlikely
What it is: Deanol (DMAE) is a compound related to choline that is marketed for memory, focus, and mood, but solid human evidence for most of these uses...
Theoretically, deanol might decrease the effectiveness of anticholinergic drugs.
Read the full Deanol + Methapyrilene interactionCan You Take It With Methapyrilene?
One-line answers, one card per combination — scroll through today’s 20 and tap any card for the full report. A different set rotates in daily until every combination has had its turn.
Can you take Glucomannan with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, glucomannan may decrease absorption of drugs taken orally.
Full Glucomannan + Methapyrilene answerCan you take Phosphatidylserine with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, phosphatidylserine might decrease the effectiveness anticholinergic drugs.
Full Phosphatidylserine + Methapyrilene answerCan you take Poria Mushroom with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, poria mushroom might decrease the clinical effects of anticholinergic drugs.
Full Poria Mushroom + Methapyrilene answerCan you take Purple Nut Sedge with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. In vitro, purple nut sedge dose-dependently inhibits acetylcholinesterase (AChE).
Full Purple Nut Sedge + Methapyrilene answerCan you take Sage with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, sage might decrease the clinical effects of anticholinergic drugs.
Full Sage + Methapyrilene answerCan you take Slippery Elm with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, slippery elm may slow the absorption and reduce serum levels of oral drugs.
Full Slippery Elm + Methapyrilene answerCan you take Syrian Rue with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, Syrian rue might decrease the effects of anticholinergic drugs.
Full Syrian Rue + Methapyrilene answerCan you take Teazle with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. In vitro research suggests that teazle extract can inhibit acetylcholinesterase activity.
Full Teazle + Methapyrilene answerCan you take Thyme with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use of anticholinergic drugs and thyme essential oil might reduce the effects of anticholinergic drugs.
Full Thyme + Methapyrilene answerCan you take Toothed Clubmoss with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. In animal models, toothed clubmoss and huperzine A, an active constituent of toothed clubmoss, reversed cognitive deficits induced by scopol...
Full Toothed Clubmoss + Methapyrilene answerCan you take Tragacanth with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, tragacanth might alter absorption of oral drugs.
Full Tragacanth + Methapyrilene answerCan you take Wild Lettuce with Methapyrilene?
Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Studies report varying evidence on whether or not wild lettuce contains hyoscyamine, an anticholinergic drug.
Full Wild Lettuce + Methapyrilene answerCan you take Thyroid Extract with Methapyrilene?
Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Food and medications can interfere with thyroid hormone absorption.
Full Thyroid Extract + Methapyrilene answerCan you take Agar with Methapyrilene?
Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Agar forms a thick gel, which may disrupt the absorption of nutrients and medications.
Full Agar + Methapyrilene answerCan you take Algin with Methapyrilene?
Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, algin can alter the absorption of oral drugs.
Full Algin + Methapyrilene answerCan you take Black Psyllium with Methapyrilene?
Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Full Black Psyllium + Methapyrilene answerCan you take Blond Psyllium with Methapyrilene?
Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Full Blond Psyllium + Methapyrilene answerCan you take Carob with Methapyrilene?
Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, carob might also impair the absorption of oral drugs.
Full Carob + Methapyrilene answerCan you take Karaya Gum with Methapyrilene?
Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Co-administration of oral drugs with bulk forming laxatives such as karaya gum may decrease, increase, or have no effect on the absorption o...
Full Karaya Gum + Methapyrilene answerCan you take Marshmallow with Methapyrilene?
Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, mucilage in marshmallow might impair absorption of oral drugs.
Full Marshmallow + Methapyrilene answerWhat Severity, Likelihood & Evidence Mean
Severity — How Serious It Can Be
- Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
- Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
- Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
- No known interaction. Checked against our sources with nothing documented — not the same as proven safety.
Likelihood — How Well It’s Documented
- Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
- Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
- Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
- Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Where This Data Comes From
- Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
- Each entry links to a full report with the clinical detail, likelihood, evidence level, and citations for that exact combination.
- Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
How Does Our Interaction Checker Work?
Behind every verdict on this page is a category system. Our source database doesn’t document supplement interactions drug-by-drug — it documents them against groups of medications that behave the same way (for example, “drugs processed by the CYP3A4 liver enzyme” or “blood-thinning medications”).
So the check works in three steps: (1) Methapyrilene is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Methapyrilene, and (3) each ingredient keeps its own severity, likelihood, and evidence grades from the underlying record. That’s why one supplement can carry several records for one drug — it may interact through more than one category.
Methapyrilene sits in 2 interaction categories. Open any one to see what the group means:
Anticholinergic Drugs 30 ingredients
A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.
30 of the supplement ingredients on this page reach Methapyrilene through this category.
Oral Drugs 17 ingredients
A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.
17 of the supplement ingredients on this page reach Methapyrilene through this category.
Take a Supplement Product? Check the Whole Bottle Against Methapyrilene
Most supplements are combination products — and the interaction may come from an ingredient you didn’t buy it for. Search any product below (or scan its label) and we’ll check every ingredient on it against Methapyrilene.
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Products that contain Methapyrilene-interacting ingredients
Real supplements from the NIH label database that contain the top interacting ingredients on this page — each one is worth a full label check before combining with Methapyrilene.
Methapyrilene & Supplements: Common Questions
What supplements interact with Methapyrilene?
Which Methapyrilene supplement interactions are the most serious?
Can I take vitamins or supplements while on Methapyrilene?
Do brands like Capathyn have the same supplement interactions as Methapyrilene?
Where do these interaction ratings come from?
What about Methapyrilene and my other medications?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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Where This Data Comes From — and Why You Can Trust It
🧪 Licensed clinical database
Every interaction verdict on this page comes from Natural Medicines Pro (TRC Healthcare / Therapeutic Research) — the same evidence-graded reference used by pharmacists and hospitals. We license this data directly; we do not scrape it, and no AI invents an interaction.
🧑⚕️ Pharmacist review
This page is curated and coded by Dr. Brian Staiger, PharmD, BCPS, Clinical Pharmacist, with additional analysis by the HelloPharmacist Pharmacist Team. Editorial commentary is ours; the licensed interaction records are shown as sourced.
🔄 Kept current
Our interaction database refreshes on a weekly cycle, and this page re-checks the live database every time it’s rebuilt — what you see reflects the database as of September 15, 2026.
🔍 Full transparency
How every dataset on this site is sourced, licensed, and updated is documented publicly: our data sources · editorial policy · how we use AI.
Educational information, not medical advice. An interaction being on file does not mean it will happen to you — and absence of one is not proof of safety. Never start or stop a medication or supplement without talking to your pharmacist or doctor.