Shiitake Ingredients & Drug Interactions
by Hawaii Pharm
What is this page for?
First and foremost: checking Shiitake 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
Shiitake is a dietary supplement by Hawaii Pharm with 1 active ingredient. Its ingredients are commonly taken for immune support, general wellness and nutrition, cholesterol and heart health.Based on those ingredients, 312 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Shiitake Mushroom Extract, Dry. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Shiitake by Hawaii Pharm
Ask about any prescription or over-the-counter medication and we check it for interactions with Shiitake by Hawaii Pharm — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
Ask the Pharmacist
A licensed pharmacist will answer your question by email — free, usually within 24 hours.
Got it — thank you!
A licensed pharmacist will answer within 24 hours. Keep an eye on your email (worth checking spam, just in case).
HelloPharmacist Scorecard of Shiitake by Hawaii Pharm
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.
What’s inside
Full disclosure
This product contains one active ingredient: shiitake mushroom extract in a concentrated dry form. The extract is delivered in a liquid formulation with alcohol, water, and glycerin as inactive ingredients.
Does it work?
Couldn't assess
The evidence for shiitake mushroom is limited. It is rated possibly ineffective for dental plaque.
For chemotherapy-induced anemia, atherosclerosis, and breast cancer, there isn't enough reliable evidence to rate how well it works. The data we hold doesn't establish its effectiveness for these uses.
How safe is it?
Well-documented data
When you eat shiitake as a cooked food, it's generally well tolerated. Concentrated supplements are a different story — there isn't enough safety data on supplement doses to say how safe they are, so caution is advised.
The most common side effects from the supplement form are abdominal discomfort, bloating, diarrhea, nausea, and vomiting. Raw shiitake can cause shiitake dermatitis, a distinctive skin eruption with whiplash-like marks, sometimes with whole-body symptoms.
Rarely, large unchewed pieces can block the intestines. Some people, especially those who handle shiitake mushrooms frequently, can develop allergic contact dermatitis, asthma, or other allergy symptoms from contact or inhalation.
Workers exposed to shiitake spores have occasionally developed hypersensitivity pneumonitis (a lung inflammation) with difficulty breathing, chest pain, dry cough, asthma, and rhinitis. Pregnancy and lactation safety data are not on file for this ingredient.
Meds to double-check
Moderate interaction found
Before you take this product, double-check if you're on immunosuppressants (drugs that calm your immune system after transplant or for autoimmune conditions) or medications broken down by the liver enzyme CYP2D6 — both are Moderate severity concerns. The shiitake extract may weaken immunosuppressants or lower levels of CYP2D6 drugs.
If you're unsure whether your medications are affected, use the interaction checker on this page or ask your pharmacist.
The bottom line
Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
Shiitake mushroom extract is generally well tolerated as a food, but concentrated supplements lack robust safety data. If you take immunosuppressants or drugs metabolized by CYP2D6, check with your doctor or pharmacist before starting — the extract may interfere with how these medications work.
Talk it over with your own healthcare provider before adding this to your routine.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Oct 24, 2023.
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
General information
Key facts about Shiitake, straight from the product label.
| Brand | Hawaii Pharm |
|---|---|
| Barcode (UPC) | 840253648853 |
| Net contents | 4 Fluid Ounce(s); 120 mL |
| Market status | On market |
| Date entered into DSLD | Oct 24, 2023 |
| DSLD ID | 301882 |
| Product type | Botanical |
| Supplement form | Liquid |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free |
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 Shiitake by Hawaii Pharm, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Shiitake Mushroom Extract, Dry | 983 mg | -- |
Other ingredients: Alcohol, Water, Glycerin
Tap any ingredient to jump to its full detail below.
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.
Brand IP Statement(s)
Hawaii Pharm Herbal Extract Highest quality since 2008
Suggested/Recommended/Usage/Directions
Suggested use: Shake well before using. For adults add about 20-30 drops (0.7-1 mL, one full squeeze of the dropper bulb) to some juice or water, up to 4 times a day.
Precautions
Warning: We recommend to seek expert medical advice before taking.
Do not use if you are allergic to any ingredients.
Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.
Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.
May affect the ability to drive and operate machinery. May have contraindications, can cause side effects and adverse reactions. Do not use if seal is broken or missing.
Keep out of the reach of children!
Storage
Store in a cool dry place.
Seals/Symbols
cGMP Made in compliance with cGMP 21 CFR 111 in an FDA registered and inspected facility.
Organic Alcohol Based USA Made in United States of America
FDA Disclaimer Statement
This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure or prevent any disease.
General Statements
Scan this QR-code to get 15% discount on your next purchase. Limited time deal.
Formula
Lentinula edodes
Organic Alcohol Based
Formulation
Only natural ingredients Purity is laboratory tested and verified
All the raw materials are gluten-free by their nature No artificial colors, flavors, or preservatives
Not tested on animals
Organic Alcohol Based
Made in USA, Hawaii
FDA Statement of Identity
Herbal Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Shiitake by Hawaii Pharm label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
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)The Ingredients in Shiitake by Hawaii Pharm
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size0.7 mL Dosage formLiquid Servings per container120 Amounts shown are per serving.
Shiitake Mushroom Extract, Dry
Interacts with312 drugs
Shiitake is a popular edible mushroom that is nutritious and safe to eat as food for most people. Some of its extracts (like lentinan and AHCC) have b...
Shiitake Mushroom Extract, Dry monograph & interactionsOther (inactive) ingredients: Alcohol, Water, Glycerin. These complete the product’s ingredient list but are not active constituents.
Shiitake by Hawaii Pharm Drug Interactions
HelloPharmacist Interaction Report
Shiitake by Hawaii Pharm contains shiitake mushroom extract, which has documented interactions with two categories of medications.
The most serious concern is with immunosuppressants — the extract may theoretically weaken the effects of these drugs, which is a Moderate severity issue. In vitro evidence suggests shiitake stimulates immune function, but this hasn't been studied in humans taking these medications.
Read the full breakdown — every affected drug type, severity by severity
The extract also interacts with a group of drugs metabolized by the liver enzyme CYP2D6 (Moderate severity). Lab studies suggest the shiitake extract AHCC might speed up how your body breaks down these drugs, potentially lowering their levels — though again, this effect hasn't been reported in people.
Altogether, these interactions span 312 individual medications.
Before you start, run your exact medications through the checker on this page. If you take immunosuppressants or any drug metabolized by CYP2D6, talk with your doctor or pharmacist first — they'll know your specific prescriptions and can tell you whether shiitake is right for you.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Shiitake?
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 checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Shiitake interact with 312 drugs. Click any drug to see the details.
1 of the 1 ingredient in Shiitake interact with drugs. Each result below shows which ingredient is responsible. Shiitake Mushroom Extract, Dry
AdalimumabHumira
How Adalimumab interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Adalimumab interactionAdalimumab-adazHyrimoz
How Adalimumab-adaz interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Adalimumab-adaz interactionAdalimumab-adbmCyltezo
How Adalimumab-adbm interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Adalimumab-adbm interactionAdalimumab-afzbAbrilada
How Adalimumab-afzb interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Adalimumab-afzb interactionAdalimumab-attoAmjevita
How Adalimumab-atto interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Adalimumab-atto interactionAdalimumab-bwwdHadlima
How Adalimumab-bwwd interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Adalimumab-bwwd interactionAdalimumab-fkjpHulio
How Adalimumab-fkjp interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Adalimumab-fkjp interactionAerosphere Budesonide, Formoterol Fumarate, GlycopyrrolateBreztri
How Aerosphere Budesonide, Formoterol Fumarate, Glycopyrrolate interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aerosphere Budesonide, Formoterol Fumarate, Glycopyrrolate interactionAlefaceptAmevive
How Alefacept interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Alefacept interactionAlemtuzumabCampath
How Alemtuzumab interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Alemtuzumab interactionAluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium HydroxideAscriptin Codeine #2
How Aluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium Hydroxide interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium Hydroxide interactionAmitriptylineElavil
How Amitriptyline interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Amitriptyline interactionAmitriptyline, ChlordiazepoxideLimbitrol DS
How Amitriptyline, Chlordiazepoxide interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Amitriptyline, Chlordiazepoxide interactionAmitriptyline, PerphenazineEtrafon, Etrafon-A, Etrafon-Forte, Triavil
How Amitriptyline, Perphenazine interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Amitriptyline, Perphenazine interactionAmphetamineAdensys XR-ODT, Adzenys ER, Dyanavel XR, Mydayis
How Amphetamine interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Amphetamine interactionAmphetamine Aspartate, Amphetamine Sulfate, Dextroamphetamine Saccharate, Dextroamphetamine SulfateAdderall, Adderall XR
How Amphetamine Aspartate, Amphetamine Sulfate, Dextroamphetamine Saccharate, Dextroamphetamine Sulfate interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Amphetamine Aspartate, Amphetamine Sulfate, Dextroamphetamine Saccharate, Dextroamphetamine Sulfate interactionAmphetamine SulfateBenzedrine, Evekeo ODT
How Amphetamine Sulfate interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Amphetamine Sulfate interactionAnifrolumab-fniaSaphnelo
How Anifrolumab-fnia interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Anifrolumab-fnia interactionAntithymocyte GlobulinThymoglobulin
How Antithymocyte Globulin interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryImmunosuppressants Moderate
Interaction Summary
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
Read the full Shiitake Mushroom Extract, Dry + Antithymocyte Globulin interactionAripiprazoleAbilify, Abilify Maintena, Abilify Mycite
How Aripiprazole interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aripiprazole interactionAripiprazole LauroxilAristada, Aristada Initio Kit
How Aripiprazole Lauroxil interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aripiprazole Lauroxil interactionAspirin, Aluminum Hydroxide, Codeine Phosphate, Magnesium HydroxideAscriptin Codeine #3
How Aspirin, Aluminum Hydroxide, Codeine Phosphate, Magnesium Hydroxide interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aspirin, Aluminum Hydroxide, Codeine Phosphate, Magnesium Hydroxide interactionAspirin, Butalbital, Caffeine, Codeine PhosphateFiorinal w/ Codeine
How Aspirin, Butalbital, Caffeine, Codeine Phosphate interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aspirin, Butalbital, Caffeine, Codeine Phosphate interactionAspirin, Caffeine, Codeine PhosphateAnacin w/ Codeine
How Aspirin, Caffeine, Codeine Phosphate interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aspirin, Caffeine, Codeine Phosphate interactionAspirin, Caffeine, Dihydrocodeine BitartrateSynalgos DC
How Aspirin, Caffeine, Dihydrocodeine Bitartrate interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aspirin, Caffeine, Dihydrocodeine Bitartrate interactionAspirin, Caffeine, HydrocodoneDamason-P
How Aspirin, Caffeine, Hydrocodone interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aspirin, Caffeine, Hydrocodone interactionAspirin, Caffeine, Phenacetin, PropoxypheneMargesic Comp. 65
How Aspirin, Caffeine, Phenacetin, Propoxyphene interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aspirin, Caffeine, Phenacetin, Propoxyphene interactionAspirin, Carisoprodol, Codeine PhosphateSoma Compound w/ Codeine
How Aspirin, Carisoprodol, Codeine Phosphate interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aspirin, Carisoprodol, Codeine Phosphate interactionAspirin, Codeine PhosphateAspirin w/ Codeine
How Aspirin, Codeine Phosphate interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aspirin, Codeine Phosphate interactionAspirin, Codeine Phosphate, MethocarbamolRobaxisal C
How Aspirin, Codeine Phosphate, Methocarbamol interacts with Shiitake — through 1 ingredient. Tap an ingredient for the detail:
Shiitake Mushroom Extract, DryCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
Read the full Shiitake Mushroom Extract, Dry + Aspirin, Codeine Phosphate, Methocarbamol interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Shiitake with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.
Shiitake Mushroom Extract, Dry
Cytochrome P450 2D6 (Cyp2D6) Substrates
Theoretically, shiitake mushroom might decrease levels of drugs metabolized by CYP2D6.
In vitro studies suggest that the shiitake mushroom extract AHCC might induce the CYP2D6 enzyme. This effect has not been reported in humans.
Immunosuppressants
Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
In vitro evidence suggests that shiitake mushroom extracts stimulate immune function.
Brand information
Manufacturer and brand details for Shiitake, from the product label.
Hawaii Pharm
See all Hawaii Pharm products- Name
- Hawaii Pharm LLC
- Street Address
- 510 Sumner St. Ste. 613
- City
- Honolulu
- State
- HI
- ZipCode
- 96817
- Phone Number
- 888-854-2924
- Web Address
- www.hawaiipharm.com
Shiitake by Hawaii Pharm: Common Questions
Does Shiitake by Hawaii Pharm interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What does shiitake mushroom extract do?
Is this safe to take if I'm on immunosuppressants?
What are the most common side effects?
Is it safe to take this while pregnant or breastfeeding?
Is this the same as eating shiitake mushrooms in food?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Shiitake is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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.
The Full Monographs Behind Shiitake’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Shiitake'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.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
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 67 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.
Shiitake Mushroom 67 references
- Hitosugi M, Kitamura O, Takatsu A, Yoshino Y. Autopsy case of duodenal obstruction from impacted mushroom. J Gastroenterol 1998;33:562-5. PubMed
- Hanada K, Hashimoto I. Flagellate mushroom (Shiitake) dermatitis and photosensitivity. Dermatol 1998;197:255-7. PubMed
- Levy AM, Kita H, Phillips SF, et al. Eosinophilia and gastrointestinal symptoms after ingestion of shiitake mushrooms. J Allergy Clin Immunol 1998;101:613-20. PubMed
- Murakami M, Kawabe K, Hosoi Y, et al. Decreased pulmonary perfusion in hypersensitivity pneumonitis caused by Shiitake mushroom spores. J Intern Med 1997;241:85-8. PubMed
- Matsui S, Nakazawa T, Umegae Y, Mori M. Hypersensitivity pneumonitis induced by Shiitake mushroom spores. Intern Med 1992;31:1204-6.
- Nakamura T. Shiitake (Lentinus edodes) dermatitis. Contact Dermatitis 1992;27:65-70.
- Ueda A, Obama K, Aoyama K, et al. Allergic contact dermatitis in shiitake (Lentinus edodes (Berk) Sing) growers. Contact Dermatitis 1992;26:228-33.
- Burikhanov, R. B., Wakame, K., Igarashi, Y., Wang, S., and Matsuzaki, S. Suppressive effect of active hexose correlated compound (AHCC) on thymic apoptosis induced by dexamethasone in the rat. Endocr.Regul. 2000;34(4):181-188.
- Gao, Y., Zhang, D., Sun, B., Fujii, H., Kosuna, K., and Yin, Z. Active hexose correlated compound enhances tumor surveillance through regulating both innate and adaptive immune responses. Cancer Immunol.Immunother. 2006;55(10):1258-1266. PubMed
- Ritz, B. W., Nogusa, S., Ackerman, E. A., and Gardner, E. M. Supplementation with active hexose correlated compound increases the innate immune response of young mice to primary influenza infection. J Nutr. 2006;136(11):2868-2873. PubMed
- Aviles, H., O'Donnell, P., Sun, B., and Sonnenfeld, G. Active hexose correlated compound (AHCC) enhances resistance to infection in a mouse model of surgical wound infection. Surg.Infect.(Larchmt.) 2006;7(6):527-535. PubMed
- Spierings, E. L., Fujii, H., Sun, B., and Walshe, T. A Phase I study of the safety of the nutritional supplement, active hexose correlated compound, AHCC, in healthy volunteers. J Nutr Sci Vitaminol.(Tokyo) 2007;53(6):536-539. PubMed
- Aviles, H., O'Donnell, P., Orshal, J., Fujii, H., Sun, B., and Sonnenfeld, G. Active hexose correlated compound activates immune function to decrease bacterial load in a murine model of intramuscular infection. Am J Surg. 2008;195(4):537-545. PubMed
- Ritz, B. W. Supplementation with active hexose correlated compound increases survival following infectious challenge in mice. Nutr.Rev. 2008;66(9):526-531. PubMed
- Terakawa, N., Matsui, Y., Satoi, S., Yanagimoto, H., Takahashi, K., Yamamoto, T., Yamao, J., Takai, S., Kwon, A. H., and Kamiyama, Y. Immunological effect of active hexose correlated compound (AHCC) in healthy volunteers: a double-blind, placebo-controll
- Mach, C. M., Fugii, H., Wakame, K., and Smith, J. Evaluation of active hexose correlated compound hepatic metabolism and potential for drug interactions with chemotherapy agents. J Soc Integr.Oncol. 2008;6(3):105-109.
- Wang, S., Welte, T., Fang, H., Chang, G. J., Born, W. K., O'Brien, R. L., Sun, B., Fujii, H., Kosuna, K., and Wang, T. Oral administration of active hexose correlated compound enhances host resistance to West Nile encephalitis in mice. J Nutr. 2009;139(3 PubMed
- Sumiyoshi, Y., Hashine, K., Kakehi, Y., Yoshimura, K., Satou, T., Kuruma, H., Namiki, S., and Shinohara, N. Dietary administration of mushroom mycelium extracts in patients with early stage prostate cancers managed expectantly: a phase II study. Jpn.J Cl PubMed
- Yin, Z., Fujii, H., and Walshe, T. Effects of active hexose correlated compound on frequency of CD4+ and CD8+ T cells producing interferon-gamma and/or tumor necrosis factor-alpha in healthy adults. Hum.Immunol. 2010;71(12):1187-1190.
- Lee, W. W., Lee, N., Fujii, H., and Kang, I. Active Hexose Correlated Compound promotes T helper (Th) 17 and 1 cell responses via inducing IL-1beta production from monocytes in humans. Cell Immunol. 2012;275(1-2):19-23.
- Daddaoua, A., Martinez-Plata, E., Ortega-Gonzalez, M., Ocon, B., Aranda, C. J., Zarzuelo, A., Suarez, M. D., de Medina, F. S., and Martinez-Augustin, O. The nutritional supplement Active Hexose Correlated Compound (AHCC) has direct immunomodulatory actio
- Roman, B. E., Beli, E., Duriancik, D. M., and Gardner, E. M. Short-term supplementation with active hexose correlated compound improves the antibody response to influenza B vaccine. Nutr Res. 2013;33(1):12-17. PubMed
- Uno, K., Kosuna, K., Sun, B., Fujii, H., Wakame, K., Chikumaru, S., Hosokawa, G., and Ueda, Y. Active Hexose Correlated Compound (AHCC) Improves Immunological Parameters and Performance Status of Patients with Solid Tumors. Biotherapy 2000;14(3):303-309.
- Ghoneum, M., Wimbley, M., Salem, F., McKlain, A., Attallah, N., and Gill, G. Immunomodulatory and anticancer effects of active hexose correlated compound (AHCC). Int J Immunother 1995;11:23-28.
- Thaiudom, S., Piyaniran, W., and Chutaputthi, A. A study of the efficacy of Active Hexose Correlated Compound (AHCC) in the treatment of chronic Hepatitis C patients at Phramongkutklao Hospital. The Medical News (Thailand) 2010;325:13-16.
- Smith, J. A., Hunter, R. J., Fujii, H., Wakame, K., and Wolf, J. Defining Synergistic Activity ofthe Combination of Active Hexose Correlated Compound (AHCC) with Liposomal Doxorubicin (Doxil). Presented at the 18th International Congress on Nutrition and
- Sia, G. M. and Candlish, J. K. Effects of shiitake (Lentinus edodes) extract on human neutrophils and the U937 monocytic cell line. Phytother.Res. 1999;13(2):133-137. DOI
- Fujiwara, K., Sato, T., Yonei, T., Genba, K., Nogami, N., and Yamadori, I. [A case of chronic hypersensitivity pneumonitis induced by shiitake mushroom spores]. Nihon Kokyuki.Gakkai Zasshi 2000;38(12):908-913.
- Lippert, U., Martin, V., Schwertfeger, C., Junghans, V., Ellinghaus, B., and Fuchs, T. Shiitake dermatitis. Br.J Dermatol. 2003;148(1):178-179.
- Lobanok, A. G., Babitskaia, V. G., Plenina, L. V., Puchkova, T. A., and Osadchaia, O. V. [Composition and biological activity of submerged mycelium of the xylotrophic basidiomycete Lentinus edodes]. Prikl.Biokhim.Mikrobiol. 2003;39(1):69-73. DOI
- Curnow, P. and Tam, M. Contact dermatitis to Shiitake mushroom. Australas.J.Dermatol. 2003;44(2):155-157. PubMed
- Mak, R. K. and Wakelin, S. H. Shiitake dermatitis: the first case reported from a European country. Br J Dermatol 2006;154(4):800-801. PubMed
- Sastre, J., Ibanez, M. D., Lopez, M., and Lehrer, S. B. Respiratory and immunological reactions among Shiitake (Lentinus edodes) mushroom workers. Clin.Exp.Allergy 1990;20(1):13-19.
- Liu, M., Li, J., Kong, F., Lin, J., and Gao, Y. Induction of immunomodulating cytokines by a new polysaccharide-peptide complex from culture mycelia of Lentinus edodes. Immunopharmacology 1998;40(3):187-198. PubMed
- Ade R, Sukut C, Wiser HJ, Shockman S, Buescher L. Shiitake dermatitis demonstrating Köebner phenomenon. Int J Dermatol. 2015;54(5):e179-81.
- Adler MJ, Larsen WG. Clinical variability of shiitake dermatitis. J Am Acad Dermatol. 2012 Oct;67(4):e140-1. PubMed
- Adriano AR, Acosta ML, Azulay DR, Quiroz CD, Talarico SR. Shiitake dermatitis: the first case reported in Brazil. An Bras Dermatol. 2013 May-Jun;88(3):417-9. PubMed
- Ampere A, Delhaes L, Soots J, Bart F, Wallaert B. Hypersensitivity pneumonitis induced by Shiitake mushroom spores. Med Mycol. 2012 Aug;50(6):654-7. PubMed
- Baran W, Batycka-Baran A, Maj J, Szepietowski JC. Shiitake dermatitis - now also in Poland. Acta Derm Venereol. 2015 Jan;95(1):102-3. PubMed
- Boels D, Landreau A, Bruneau C, et al. Shiitake dermatitis recorded by French Poison Control Centers - new case series with clinical observations. Clin Toxicol (Phila). 2014 Jul;52(6):625-8. PubMed
- Chu EY, Anand D, Dawn A, Elenitsas R, Adler DJ. Shiitake dermatitis: a report of 3 cases and review of the literature. Cutis. 2013 Jun;91(6):287-90.
- Corazza M, Zauli S, Ricci M, et al. Shiitake dermatitis: toxic or allergic reaction? J Eur Acad Dermatol Venereol. 2015 Jul;29(7):1449-51. PubMed
- Czarnecka AB, Kreft B, Marsch WCh. Flagellate dermatitis after consumption of Shiitake mushrooms. Postepy Dermatol Alergol. 2014 Jun;31(3):187-90. PubMed
- Dai X, Stanilka JM, Rowe CA, et al. Consuming Lentinula edodes (Shiitake) Mushrooms Daily Improves Human Immunity: A Randomized Dietary Intervention in Healthy Young Adults. J Am Coll Nutr. 2015;34(6):478-87.
- Hamer SE, Kulkarni K, Cohen SN. Shiitake dermatitis with oral ulceration and pustules. Clin Exp Dermatol. 2015 Apr;40(3):332-3. PubMed
- Hiernickel C, Metz S, Elsner P. Shiitake dermatitis: an impressive case report. J Dtsch Dermatol Ges. 2015 May;13(5):455-6. PubMed
- Karanovic S, George S, Topham E. Don't miss shiitake dermatitis: a case report. Br J Gen Pract. 2014 Aug;64(625):426-7. PubMed
- Kopp T, Mastan P, Mothes N, Tzaneva S, Stingl G, Tanew A. Systemic allergic contact dermatitis due to consumption of raw shiitake mushroom. Clin Exp Dermatol. 2009 Dec;34(8):e910-3. PubMed
- Lingström P, Zaura E, Hassan H, et al. The anticaries effect of a food extract (shiitake) in a short-term clinical study. J Biomed Biotechnol. 2012;2012:217164. PubMed
- Loo HV, Oon HH. Flagellate dermatitis following consumption of shiitake mushroom. Dermatol Reports. 2011 Oct 5;3(2):e21. PubMed
- Luber AJ, Ackerman LS. Flagellate shiitake mushroom dermatitis. Dermatol Online J. 2015 Aug 15;21(8). pii: 13030/qt7rm57553. DOI
- Mendonça CN, Silva PM, Avelleira JC, Nishimori FS, Cassia Fde F. Shiitake dermatitis. An Bras Dermatol. 2015 Mar-Apr;90(2):276-8.
- Netchiporouk E, Pehr K, Ben-Shoshan M, Billick RC, Sasseville D, Singer M. Pustular flagellate dermatitis after consumption of shiitake mushrooms. JAAD Case Rep. 2015 May 2;1(3):117-9. PubMed
- Nguyen AH, Gonzaga MI, Lim VM, Adler MJ, Mitkov MV, Cappel MA. Clinical features of shiitake dermatitis: a systematic review. Int J Dermatol. 2017 Jun;56(6):610-616. PubMed
- Poppe LM, Anders D, Kneitz H, Bröcker EB, Benoit S. Flagellate dermatitis caused by shiitake mushrooms. An Bras Dermatol. 2012 May-Jun;87(3):463-5. PubMed
- Pravettoni V, Primavesi L, Piantanida M. Shiitake mushroom (Lentinus edodes): a poorly known allergen in Western countries responsible for severe work-related asthma. Int J Occup Med Environ Health. 2014 Oct;27(5):871-4. PubMed
- Ricar J, Pizinger K, Cetkovska P. Shiitake dermatitis: a distinctive clinical entity. Int J Dermatol. 2013 Dec;52(12):1620-1. PubMed
- Shozushima M, Ohata K, Nonaka K, Matsuhashi N. Shiitake mushroom-induced ileus managed using double-balloon enteroscopy. Endoscopy. 2013;45 Suppl 2 UCTN:E437. PubMed
- Uslu U, Linkner RV. Shiitake mushroom dermatitis. Cutis. 2015 May;95(5):E11-2.
- Wang AS, Barr KL, Jagdeo J. Shiitake mushroom-induced flagellate erythema: A striking case and review of the literature. Dermatol Online J. 2013 Apr 15;19(4):5. DOI
- Tan J, Yuan K, Zuo J, et al. Two cases of small bowel obstruction due to a shiitake mushroom. Gastroenterol Rep (Oxf) 2019;7(4):298-300. doi: 10.1093/gastro/gox028. PubMed
- Boels D, Greillet C, Langrand J, et al. Shiitake dermatitis: experience of the Poison Control Centre Network in France from 2014 to 2019. Clin Toxicol (Phila) 2022. PubMed
- Miyagishima D, Inoue M, Kinjo K, et al. A case of bowel obstruction due to shiitake mushrooms: Diagnostic features on computed tomography. Intern Med 2022. PubMed
- Soga K, Mukai H, Kitae H. Management of shiitake mushroom-induced ileus using balloon enteroscopy. Dig Endosc 2022;34(4):e58-e59. PubMed
- Ma JY, Liu JW. Shiitake flagellate dermatitis. Mayo Clin Proc 2022;97(12):2192-2193. PubMed
- Booms A, Rashid Z, Al-Rubaie V, Bal A. Shiitake dermatitis: a case report of a rare mushroom-induced dermatitis in the United States. Int J Dermatol 2022. PubMed
- Sudy E, Urbina F. Shiitake dermatitis: clinical forms of presentation. Int J Dermatol 2023. PubMed
Parts of this content are provided by the Therapeutic Research Center, LLC.
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.
© 2021 Therapeutic Research Center, LLC