Medication interaction hub

What Supplements Interact with Griseofulvin?

Griseofulvin brand names: Fulvicin PG, Fulvicin-U/F, Grisactin Ultra, Grisactin. Every interaction below applies to the brands too.

61 Interactions 1 Major 47 Moderate 13 Minor
Curated & coded by · Clinical Pharmacist · Updated September 23, 2026

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 Griseofulvin? 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 Griseofulvin against your other medications, use the drug–drug interaction checker. Educational information from our licensed clinical databases, not medical advice. Our editorial policy

HelloPharmacist Bottom Line
Our Pharmacist Explains
What is this? The interaction data in the HelloPharmacist supplement database is licensed from Natural Medicines Pro by TRC Healthcare (Therapeutic Research). HelloPharmacist pharmacists often add our own analysis and context on top of that licensed data — such as this Bottom Line summary and the notes on individual interaction pages — and any such commentary is noted as ours.

If you take griseofulvin for a fungal infection of the skin, scalp, or nails, give this list of 61 ingredients real attention. The single major entry is activated charcoal, which binds the drug in your gut so less of it reaches your blood and the infection gets less treatment. Most of the 47 moderate entries fall into two patterns. Griseofulvin already makes skin burn more easily in the sun, and 20 ingredients here, bergamot oil and chlorophyll among them, add to that effect. Another 19 involve herbs containing pyrrolizidine alkaloids, which griseofulvin's action on liver enzymes can turn more toxic.

Beer earns a spot too, since alcohol with griseofulvin can cause flushing and a racing heartbeat. Bulk fibers like glucomannan can also blunt absorption, so leave a good gap between them and your dose. The 13 minor entries are the lowest stakes here; the charcoal and sun warnings are the ones to learn first.

— , Clinical Pharmacist · July 18, 2026

Major 1 Moderate 47 Minor 13 No known interaction 1,391

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 ↓

Most Viewed Ingredient Interactions

Griseofulvin: Top Interactions at a Glance

The Griseofulvin supplement & herbal interactions people checked most in the last 24 hours, colored by severity. Tap any ingredient to open the full report for that pair.

Showing the 12 highest-ranked of 61 interacting ingredients — plus 1,391 more checked with no known interaction. See the complete ranked list.

Start here

The Most-Checked Griseofulvin Combinations Today

The Griseofulvin + supplement pages people viewed most in the last 24 hours (resets at midnight). Open any card for the full report.

Moderate Likelihood Possible Butterbur + Griseofulvini

Theoretically, CYP3A4 inducers might increase the toxicity of butterbur.

Read the full interaction Minor Likelihood Possible Saccharomyces Boulardii + Griseofulvini

Theoretically, taking antifungals with Saccharomyces boulardii might decrease the effectiveness of Saccharomyces boulardii.

Read the full interaction Moderate Likelihood Possible Alfalfa + Griseofulvini

Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.

Read the full interaction Moderate Likelihood Possible Chlorella + Griseofulvini

Theoretically, chlorella might have additive effects with photosensitizing drugs.

Read the full interaction Moderate Likelihood Probable Chenopodium Oil + Griseofulvini

Theoretically, concomitant use of chenopodium oil with other photosensitizing drugs can increase the risk of adverse effects.

Read the full interaction Moderate Likelihood Possible Rue + Griseofulvini

Theoretically, rue might increase the risk for phototoxicity when used with photosensitizing drugs.

Read the full interaction
The complete list

Every Supplement Checked Against Griseofulvin

All 1,452 ingredients in our database, ranked by severity — 61 with a Griseofulvin interaction on file and 1,391 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 ↓

Straight answers

Can You Take It With Griseofulvin?

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 Butterbur with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, CYP3A4 inducers might increase the toxicity of butterbur.

Full Butterbur + Griseofulvin answer

Can you take Saccharomyces Boulardii with Griseofulvin?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, taking antifungals with Saccharomyces boulardii might decrease the effectiveness of Saccharomyces boulardii.

Full Saccharomyces Boulardii + Griseofulvin answer

Can you take Alfalfa with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.

Full Alfalfa + Griseofulvin answer

Can you take Chlorella with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, chlorella might have additive effects with photosensitizing drugs.

Full Chlorella + Griseofulvin answer

Can you take Chenopodium Oil with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of chenopodium oil with other photosensitizing drugs can increase the risk of adverse effects.

Full Chenopodium Oil + Griseofulvin answer

Can you take Xanthan Gum with Griseofulvin?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, xanthan gum can alter the absorption of oral drugs due to its fiber qualities.

Full Xanthan Gum + Griseofulvin answer

Can you take Activated Charcoal with Griseofulvin?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the rout...

Full Activated Charcoal + Griseofulvin answer

Can you take Bergamot with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, topical bergamot essential oil might increase the risk of side effects when used along with photosensitizing drugs.

Full Bergamot + Griseofulvin answer

Can you take Chlorophyll with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of chlorophyll with photosensitizing drugs may have additive effects.

Full Chlorophyll + Griseofulvin answer

Can you take Chlorophyllin with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of chlorophyllin with photosensitizing drugs may have additive effects.

Full Chlorophyllin + Griseofulvin answer

Can you take Coffee Charcoal with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Coffee charcoal can reduce the absorption of orally administered drugs and should be separated from oral drug administration by at least two...

Full Coffee Charcoal + Griseofulvin answer

Can you take European Mandrake with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use might increase absorption of some drugs because of inhibited gastrointestinal (GI) motility caused by European...

Full European Mandrake + Griseofulvin answer

Can you take Glucomannan with Griseofulvin?

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 + Griseofulvin answer

Can you take Masterwort with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. The use of masterwort in conjunction with photosensitizing drugs is contraindicated due to the potential for additive photosensitizing effec...

Full Masterwort + Griseofulvin answer

Can you take Wild Carrot with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might result in increased photosensitivity.

Full Wild Carrot + Griseofulvin answer

Can you take Alkanna with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Hepatotoxic pyrrolizidine alkaloids (PAs) are substrates of cytochrome P450 3A4 (CYP3A4).

Full Alkanna + Griseofulvin answer

Can you take Alpine Ragwort with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, CYP3A4 inducers might increase the risk of adverse effects from the pyrrolizidine alkaloid (PA) constituents in alpine ragwor...

Full Alpine Ragwort + Griseofulvin answer

Can you take Angelica Archangelica with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Angelica archangelica, whether ingested or applied to the skin, has the potential to induce photosensitivity reactions.

Full Angelica Archangelica + Griseofulvin answer

Can you take Arrach with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of arrach can increase risk of adverse effects, as unspecified Chenopodium species are associated with photos...

Full Arrach + Griseofulvin answer

Can you take Beer with Griseofulvin?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Concomitant use may cause a disulfiram-like reaction.

Full Beer + Griseofulvin answer
Read the list like a pharmacist

What 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) Griseofulvin is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Griseofulvin, 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.

Griseofulvin sits in 5 interaction categories. Open any one to see what the group means:

Photosensitizing Drugs 20 ingredients

Medications that make skin more sun-sensitive. Supplements with the same property can compound it.

20 of the supplement ingredients on this page reach Griseofulvin through this category.

Cytochrome P450 3A4 (Cyp3A4) Inducers 19 ingredients

A drug-metabolism group: these medications are processed by the named liver enzyme (a cytochrome P450). Supplements that speed this enzyme up or slow it down can lower or raise the medication's levels in your body.

19 of the supplement ingredients on this page reach Griseofulvin 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 Griseofulvin through this category.

Antifungals 3 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.

3 of the supplement ingredients on this page reach Griseofulvin through this category.

Griseofulvin (Fulvicin) 2 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.

2 of the supplement ingredients on this page reach Griseofulvin through this category.

About Griseofulvin

Griseofulvin is an oral antifungal medication used to treat ringworm infections of the skin, hair, and nails caused by specific dermatophyte fungi.

Generic name: Griseofulvin  ·  Brand names: Fulvicin PG, Fulvicin-U/F, Grisactin Ultra, Grisactin.

See the full Griseofulvin drug information
Check a real product

Take a Supplement Product? Check the Whole Bottle Against Griseofulvin

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 Griseofulvin.

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Products that contain Griseofulvin-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 Griseofulvin.

Citrus Bergamot Extract 2000 mg by tnvitamins contains Bergamot Bergamot 500 mg by Solaray contains Bergamot Bergamot 375 by ProCaps contains Bergamot Resveratrol Berberine Quercetin Apple Cider Vinegar Acai & Noni by Nutra Harmony contains Bergamot BCT Herbal Oil by Professional Botanicals contains Chenopodium Oil
Pharmacist Counseling Corner

Griseofulvin & Supplements: Common Questions

What supplements interact with Griseofulvin?
More than you might expect — 61 in total, though they are far from equal: 1 are rated major, 47 moderate, and 13 minor. The ranked list on this page puts the ones that genuinely matter first, and every entry opens a full report on that exact pair. The highest-ranked right now: Activated Charcoal, Bergamot, Chenopodium Oil.
Which Griseofulvin supplement interactions are the most serious?
The 1 major-rated combination — led by Activated Charcoal — deserve real caution: these are the ones generally best avoided, or used only with your prescriber watching. If you take any of them today, don't panic and don't stop anything abruptly — call your pharmacist first. Jump to the ranked list.
Can I take vitamins or supplements while on Griseofulvin?
Usually yes — most people on Griseofulvin can take most supplements. The catch is the exceptions, and they aren't always the exotic ones (St. John's Wort trips up more prescriptions than almost anything sold next to it). Look up each ingredient you actually take in the list above, and treat "no known interaction" as a green-ish light, not a guarantee. Try the label scanner or the interaction checker.
Do brands like Fulvicin PG have the same supplement interactions as Griseofulvin?
Yes — Fulvicin PG, Fulvicin-U/F, Grisactin Ultra, Grisactin all contain Griseofulvin, so everything on this page applies to them equally. Interactions belong to the active drug, never to the brand on the box; the same is true of generics.
Where do these interaction ratings come from?
Every rating comes from the Natural Medicines database — the same evidence-graded reference pharmacists and hospitals use — and each interaction carries three separate grades: severity (how bad it can be), likelihood (how well it's documented in studies and case reports), and an evidence level. Our pharmacists review the content; we never let an AI decide an interaction. See how to read the ratings and our editorial policy.
What about Griseofulvin and my other medications?
This page covers Griseofulvin against supplements and herbal ingredients. Checking Griseofulvin against your other prescription or OTC medications is a different tool — our drug interaction checker covers that side. Head to the drug–drug interaction checker, or read the full Griseofulvin drug information.

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

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Sourcing

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 , 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 23, 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.