Interactions on record — worth a quick check against your medications. Based on 6 of 7 ingredients. Check your meds →
Dietary supplement

Immune Support Reishi & Shiitake Mushroom Blend Ingredients & Drug Interactions

by New Chapter

Immune Support Reishi & Shiitake Mushroom Blend label
See full label image
Capsule Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

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

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

The interaction bottom line Most serious interaction: Moderate

Immune Support Reishi & Shiitake Mushroom Blend is a dietary supplement by New Chapter with 7 active ingredients. Its ingredients are commonly taken for immune support, blood sugar support in diabetes, high blood pressure.Based on those ingredients, 955 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Poria, Reishi, Lion's Mane. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Immune Support Reishi & Shiitake Mushroom Blend by New Chapter

Ask about any prescription or over-the-counter medication and we check it for interactions with Immune Support Reishi & Shiitake Mushroom Blend by New Chapter — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of Immune Support Reishi & Shiitake Mushroom Blend by New Chapter

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

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Aug 6, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 7 of its 7 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

This blend contains seven active mushroom ingredients: maitake, lion's mane, shiitake, reishi, poria, turkey tail, and chaga. Each brings compounds traditionally used to support immune function.

The product also contains inactive ingredients — pullulan (a capsule material), carrageenan, water, potassium chloride, and ground rice — which help deliver and stabilize the active mushrooms.

Does it work?

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

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use.

Why this rating?
  • The label markets this product for: immune support.
  • We looked for evidence on: Common cold, Influenza, Coronavirus disease 2019 (COVID-19), HIV/AIDS, Hepatitis B, Hepatitis C — and 4 related terms.
  • The closest evidence on file: Poria Mushroom is rated "Insufficient Reliable Evidence To Rate" for Influenza (Natural Medicines).
  • Also on file: Poria Mushroom is rated "Insufficient Reliable Evidence To Rate" for Coronavirus disease 2019 (COVID-19).
  • Also on file: Maitake Mushroom is rated "Insufficient Reliable Evidence To Rate" for HIV/AIDS, Coronavirus disease 2019 (COVID-19).

The evidence on how well these mushrooms work is limited. For maitake, lion's mane, reishi, poria, and chaga, the data we hold shows insufficient reliable evidence to rate their effectiveness for the conditions they're marketed for — so we don't know yet whether they deliver the immune support promised.

Shiitake appears possibly ineffective for dental plaque and has insufficient evidence for other uses. If you're considering this product to treat or prevent a specific condition, talk it over with your doctor or pharmacist about what the research actually shows.

The evidence, ingredient by ingredient Maitake Mushroom Lion's Mane Mushroom Shiitake Mushroom Reishi Mushroom Poria Mushroom Chaga

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

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

Why this rating?
  • We hold adverse-effect (side-effect) data for 6 of the 6 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 5 of 6.
  • General safety write-ups exist for 6 of 6.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

All six mushrooms in this blend are generally well tolerated when used as food or supplement. Maitake, lion's mane, shiitake, and reishi most commonly cause mild stomach upset, nausea, or diarrhea.

Reishi may cause dizziness, dry mouth, itching, or a rash. Poria is generally well tolerated, though allergic reactions (like allergic rhinitis or asthma) have been rarely reported.

Chaga has caused kidney failure in two cases and acute kidney injury in one case, all tied to excessive consumption of the high oxalate content. For pregnancy and breastfeeding, the safety data on concentrated supplements is thin for all six ingredients — the facts advise against use because there isn't enough information to know either way.

Talk with your doctor or pharmacist if you're pregnant, breastfeeding, or planning to become pregnant.

Side effects, ingredient by ingredient Maitake Mushroom Lion's Mane Mushroom Shiitake Mushroom Reishi Mushroom Poria Mushroom Chaga

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 6 of the 6 matched ingredients can interact with medications — Poria Mushroom, Maitake Mushroom, Shiitake Mushroom, Reishi Mushroom, Chaga, among others.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; diabetes medications.
  • For scale: 955 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, check with your doctor or pharmacist if you take blood thinners or antiplatelet drugs (aspirin, warfarin, clopidogrel — this carries the highest risk). Also confirm if you take antidiabetes medications, blood pressure drugs, immunosuppressants, sedatives, or any drugs metabolized by the liver enzyme CYP2D6 (including some antidepressants and heart rhythm medications).

The interactions are theoretical in most cases, but maitake has one documented case where it raised warfarin levels — so don't skip the check.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

This blend pairs six immune-focused mushrooms, all generally well tolerated at typical doses but with documented interactions involving blood thinners, diabetes and blood pressure drugs, immunosuppressants, and other medication classes. The evidence for whether it actually works for immune support is not yet established in the data we hold.

If you take any regular medications, especially blood thinners or drugs for blood sugar or blood pressure, check with your doctor or pharmacist before you start.

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

Assessment coverage: 6 of 7 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jul 18, 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

At a glance

General information

Key facts about Immune Support Reishi & Shiitake Mushroom Blend, straight from the product label.

Brand New Chapter
Net contents 60 100% Vegan Capsule(s)
Market status On market
Date entered into DSLD Jul 18, 2023
DSLD ID 288206
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Kosher, Organic, Gluten Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Immune Support Reishi & Shiitake Mushroom Blend by New Chapter, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
2 Capsule(s)
Maximum serving Sizes:
2 Capsule(s)
Servings per container
30
IngredientAmount% DV
Maitake120 mg--
Lion's Mane120 mg--
Shiitake Mushroom120 mg--
Reishi300 mg--
Poria120 mg--
Turkey Tail120 mg--
Chaga120 mg--

Other ingredients: Pullulan, Carrageenan, Water, Potassium Chloride, ground Rice

Tap any ingredient to jump to its full detail below.

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

Suggested use: Two capsules daily with food. Not recommended for use in children.

Precautions

Not recommended for use in children.

Caution: As with any dietary supplement, you should advise your healthcare professional of the use of this product.

If you are nursing, pregnant, or considering pregnancy, you should consult your healthcare professional prior to using this product.

Discontinue use and contact your healthcare professional if you experience a side effect or an allergic reaction.

Do not exceed suggested use.

Keep out of reach of children.

Formulation

Certified gluten free by NSF; certified vegan; no artificial flavors or colors.

Certified gluten free by NSF; certified vegan; no artificial flavors or colors.

Formulated for absorption Immune system support

Made with organic reishi mushrooms

Non GMO Project Verified Nongmoproject.org NSF Certified Gluten Free

Certified Organic by International Certification Services, Inc., Medina, ND, USA

General Statements

Please refer to newchapter.com for more information about this product and its benefits.

The New Chapter money-back guarantee We proudly stand behind every product we make. However, if you are not satisfied, please visit www.newchapter.com/guarantee for refund details. Please recycle this bottle after use.

For questions or comments call 888-874-4461

FDA Disclaimer Statement

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

Brand IP Statement(s)

Copyright 2020 New Chapter, Inc.

New Chapter Est. 1982

Seals/Symbols

ICS (International Certification Services) Non GMO Project Verified Nongmoproject.org NSF Certified Gluten Free OU (Kosher)

Formula

OU (Kosher)

FDA Statement of Identity

Dietary Supplement

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

See for yourself

Immune Support Reishi & Shiitake Mushroom Blend by New Chapter label

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

Immune Support Reishi & Shiitake Mushroom Blend label

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

View the full label (PDF)
What’s inside

The Ingredients in Immune Support Reishi & Shiitake Mushroom Blend by New Chapter

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

Serving size2 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.

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

Maitake

Interacts with
260 drugs
120 mg per serving

Maitake is an edible mushroom long used as food and in traditional Japanese medicine, and it is being studied for possible immune, blood sugar, and bl...

Maitake monograph & interactions

Lion's Mane

Interacts with
327 drugs
120 mg per serving Form: Hericium erinaceus, Hericium erinaceus

Lion's mane is an edible mushroom that is popular as a 'nootropic' for memory, focus, and nerve health, but solid human evidence is still limited and...

Lion's Mane monograph & interactions

Shiitake Mushroom

Interacts with
312 drugs
120 mg per serving

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 monograph & interactions

Reishi

Interacts with
375 drugs
300 mg per serving Form: Ganoderma lucidum, Ganoderma lucidum

Reishi is a traditional Asian mushroom widely used to support the immune system and overall wellness. Human evidence for most of its claimed benefits...

Reishi monograph & interactions

Poria

Interacts with
417 drugs
120 mg per serving

Poria mushroom (Fu Ling) is a fungus long used in Traditional Chinese Medicine, mainly as a mild diuretic and digestive and calming aid. Modern scient...

Poria monograph & interactions

Turkey Tail

120 mg per serving Form: Trametes versicolor, Trametes versicolor

Chaga

Interacts with
327 drugs
120 mg per serving Form: Inonotus obliquus, Inonotus obliquus

Chaga is a fungus that grows mostly on birch trees and is used as a tea or supplement, mainly for immune and antioxidant support. Human evidence for i...

Chaga monograph & interactions

Other (inactive) ingredients: Pullulan, Carrageenan, Water, Potassium Chloride, Ground Rice. These complete the product’s ingredient list but are not active constituents.

Interaction report

Immune Support Reishi & Shiitake Mushroom Blend by New Chapter Drug Interactions

Want to check YOUR meds against Immune Support Reishi & Shiitake Mushroom Blend?

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

 Go to the checker
955Drugs
955 Moderate

Ingredients driving the most interactions

Poria 417
Reishi 375
Lion's Mane 327
Chaga 327
Shiitake Mushroom 312

Individual Drug Interactions

The ingredients in Immune Support Reishi & Shiitake Mushroom Blend interact with 955 drugs. Click any drug to see the details.

6 of the 7 ingredients in Immune Support Reishi & Shiitake Mushroom Blend interact with drugs. Each result below shows which ingredient is responsible. Poria Reishi Lion's Mane Chaga Shiitake Mushroom Maitake

Each ingredient & the kinds of drugs it affects

For each ingredient in Immune Support Reishi & Shiitake Mushroom Blend with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Poria3 drug types · 417 drugs

Anticholinergic Drugs

Theoretically, poria mushroom might decrease the clinical effects of anticholinergic drugs.
In animal research, poria mushroom essential oil reduces acetylcholinesterase activity. This interaction has not been shown in humans.

Likelihood Possible Evidence D
Cholinergic Drugs

Theoretically, poria mushroom might have additive effects when used with cholinergic drugs.
In animal research, poria mushroom essential oil reduces acetylcholinesterase activity. This interaction has not been shown in humans.

Likelihood Possible Evidence D
Cns Depressants

Theoretically, taking poria mushroom extract may enhance the therapeutic and adverse effects of sedatives.
Animal research shows that poria mushroom extract has sedative properties. This interaction has not been shown in humans.

Likelihood Possible Evidence D
Poria full monograph & interactions

Reishi3 drug types · 375 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, high doses of reishi mushroom might increase the risk of bleeding.
A dose of 1.5 grams daily of reishi mushroom does not seem to decrease platelet aggregation, but a higher dose of 3 grams daily does.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, reishi mushroom might have additive effects with antidiabetes drugs.
Animal research suggests that reishi mushroom decreases blood sugar. However, in patients with type 2 diabetes, taking reishi mushroom does not reduce fasting glucose levels, and its effects on glycated hemoglobin are inconsistent.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, concurrent use of reishi mushroom with antihypertensive drugs might increase the risk of hypotension.
Reishi mushroom has shown hypotensive activity in animal research. Clinical evidence suggests that reishi mushroom reduces blood pressure in some, but not all, patients with hypertension.

Likelihood Possible Evidence D
Reishi full monograph & interactions

Lion's Mane3 drug types · 327 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, lion's mane mushroom may increase the risk of bleeding when used with anticoagulant/antiplatelet drugs.
In vitro research suggests that lion's mane mushroom extracts can inhibit platelet aggregation.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, lion's mane mushroom may have additive effects when used with antidiabetes drugs.
Animal research suggests that an aqueous extract of lion's mane mushroom can reduce serum glucose and increase serum insulin.

Likelihood Possible Evidence D
Immunosuppressants

Theoretically, concurrent use of lion's mane mushroom might interfere with immunosuppressive therapy.
In animal and in vitro research, lion's mane mushroom polysaccharides stimulate the immune system.

Likelihood Possible Evidence D
Lion's Mane full monograph & interactions

Chaga3 drug types · 327 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, chaga may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
In vitro and animal research suggests that chaga extract can inhibit platelet aggregation. This effect has not been reported in humans.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, taking chaga with antidiabetes drugs might increase the risk of hypoglycemia.
Animal research suggests that chaga might decrease blood glucose levels and increase insulin levels. This has not been reported in humans.

Likelihood Possible Evidence D
Immunosuppressants

Theoretically, chaga might interfere with immunosuppressive therapy.
In vitro research suggests that certain constituents of chaga stimulate immune function. This has not been reported in humans.

Likelihood Possible Evidence D
Chaga full monograph & interactions

Shiitake Mushroom2 drug types · 312 drugs

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.

Likelihood Possible Evidence D
Immunosuppressants

Theoretically, taking shiitake mushroom might decrease the effects of immunosuppressive therapy.
In vitro evidence suggests that shiitake mushroom extracts stimulate immune function.

Likelihood Possible Evidence D
Shiitake Mushroom full monograph & interactions

Maitake3 drug types · 260 drugs

Antidiabetes Drugs

Theoretically, combining maitake mushroom with antidiabetes drugs might increase the risk of hypoglycemia.
Clinical research shows that taking maitake mushroom polysaccharide (MMP) can lower blood glucose levels in patients with types 2 diabetes.

Likelihood Possible Evidence B
Antihypertensive Drugs

Theoretically, combining maitake mushroom with antihypertensive drugs might increase the risk of hypotension.
Animal research shows that maitake mushroom can lower blood pressure.

Likelihood Possible Evidence D
Warfarin (Coumadin)

There is limited evidence that maitake mushroom may increase the anticoagulant effects of warfarin.
In a case report, a patient previously stabilized on warfarin developed an elevated international normalized ratio (INR) of 5.1 after taking maitake mushroom (Grifron-Pro Maitake D-Fraction) 1 drop/kg daily in three divided doses for one week. The elevated INR resolved after holding warfarin for two days, then reducing the dose by 11%. It is thought that the beta-glucan constituent of maitake mushroom might cause warfarin dissociation from proteins, resulting in increased free warfarin levels and increased warfarin effects.

Likelihood Possible Evidence D
Maitake full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Immune Support Reishi & Shiitake Mushroom Blend, from the product label.

New Chapter

See all New Chapter products
Name
New Chapter, Inc.
Street Address
90 Technology Drive
City
Brattleboro
State
VT
ZipCode
05301
Phone Number
888-874-4461
Web Address
www.newchapter.com
Pharmacist Counseling Corner

Immune Support Reishi & Shiitake Mushroom Blend by New Chapter: Common Questions

Does Immune Support Reishi & Shiitake Mushroom Blend by New Chapter interact with any medications?
Yes. Based on its ingredients, Immune Support Reishi & Shiitake Mushroom Blend has a known interaction with 955 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Immune Support Reishi & Shiitake Mushroom Blend contains 7 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I'm pregnant or breastfeeding?
The safety data on these concentrated mushroom supplements during pregnancy and breastfeeding isn't solid enough to say yes or no for each ingredient. Talk with your doctor or pharmacist — they can weigh your individual situation and advise you personally.
What are the most common side effects?
Mild stomach upset, nausea, diarrhea, and bloating are the most frequently reported. Reishi may also cause dizziness or a rash, and lion's mane can cause skin rash or nausea. These tend to be mild and often settle with continued use or by taking it with food.
Is this product actually effective for immune support?
The evidence in our data shows insufficient reliable information for most of these mushrooms and what they're claimed to do. That doesn't mean they don't work — just that the research isn't conclusive yet. If immune support is your goal, ask your doctor what the current science supports.
What does each mushroom in this blend do?
The blend includes maitake, lion's mane, shiitake, reishi, poria, turkey tail, and chaga — all traditionally used for immune function. The facts we have don't lay out a specific role for each one, but together they're meant to support your immune system.
Can chaga cause kidney problems?
Yes — there have been two cases of kidney failure and one of acute kidney injury linked to very high chaga intake, because chaga is high in oxalate. If you have kidney disease or a history of kidney stones, talk with your doctor or pharmacist before taking this.
Does this have fillers or other junk in it?
The inactive ingredients are pullulan (a capsule material), carrageenan, water, potassium chloride, and ground rice — all standard capsule or stabilizing materials. There's nothing unusual in the ingredient list.

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

Not sure if Immune Support Reishi & Shiitake Mushroom Blend is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.

Immune Support Reishi & Shiitake Mushroom Blend label
Go deeper

The Full Monographs Behind Immune Support Reishi & Shiitake Mushroom Blend’s Ingredients

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

Herb & supplement monograph

Maitake Mushroom

Interacts with 260 drugs

Maitake is an edible mushroom long used as food and in traditional Japanese medicine, and it is being studied for possible immune, blood sugar, and blood pressure effects. The human evidence...

Read the full Maitake Mushroom monograph → Herb & supplement monograph

Lion's Mane Mushroom

Interacts with 327 drugs

Lion's mane is an edible mushroom that is popular as a 'nootropic' for memory, focus, and nerve health, but solid human evidence is still limited and early. It is generally well tolerated as...

Read the full Lion's Mane Mushroom monograph → Herb & supplement monograph

Shiitake Mushroom

Interacts with 312 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 been studied as immune support, mainly al...

Read the full Shiitake Mushroom monograph → Herb & supplement monograph

Reishi Mushroom

Interacts with 375 drugs

Reishi is a traditional Asian mushroom widely used to support the immune system and overall wellness. Human evidence for most of its claimed benefits is limited or low-quality, so it should...

Read the full Reishi Mushroom monograph → Herb & supplement monograph

Poria Mushroom

Interacts with 417 drugs

Poria mushroom (Fu Ling) is a fungus long used in Traditional Chinese Medicine, mainly as a mild diuretic and digestive and calming aid. Modern scientific evidence in humans is very limited,...

Read the full Poria Mushroom monograph → Herb & supplement monograph

Chaga

Interacts with 327 drugs

Chaga is a fungus that grows mostly on birch trees and is used as a tea or supplement, mainly for immune and antioxidant support. Human evidence for its benefits is very limited, and it may...

Read the full Chaga monograph →
Sources

Sources & How We Checked

Immune Support Reishi & Shiitake Mushroom Blend's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

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

The 110 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.

Maitake Mushroom 8 references
  1. Kabir Y, Kimura S. Dietary mushrooms reduce blood pressure in spontaneously hypertensive rats (SHR). J Nutr Sci Vitaminol (Tokyo) 1989;35:91-4. PubMed
  2. Kabir Y, Yamaguchi M, Kimura S. Effect of shiitake (Lentinus edodes) and maitake (Grifola frondosa) mushrooms on blood pressure and plasma lipids of spontaneously hypertensive rats. J Nutr Sci Vitaminol (Tokyo) 1987;33:341-6. PubMed
  3. Konno S, Tortorelis DG, Fullerton SA, et al. A possible hypoglycaemic effect of maitake mushroom on Type 2 diabetic patients. Diabet Med 2001;18:1010. PubMed
  4. Chen JT, Tominaga K, Sato Y, et al. Maitake mushroom (Grifola frondosa) extract induces ovulation in patients with polycystic ovary syndrome: a possible monotherapy and a combination therapy after failure with first-line clomiphene citrate. J Altern Compl
  5. Hanselin MR, Vande Griend JP, Linnebur SA. INR elevation with maitake extract in combination with warfarin. Ann Pharmacother 2010;44:223-4. PubMed
  6. Talpur, N. A., Echard, B. W., Fan, A. Y., Jaffari, O., Bagchi, D., and Preuss, H. G. Antihypertensive and metabolic effects of whole Maitake mushroom powder and its fractions in two rat strains. Mol.Cell Biochem. 2002;237(1-2):129-136. PubMed
  7. Deng, G., Lin, H., Seidman, A., Fornier, M., D'Andrea, G., Wesa, K., Yeung, S., Cunningham-Rundles, S., Vickers, A. J., and Cassileth, B. A phase I/II trial of a polysaccharide extract from Grifola frondosa (Maitake mushroom) in breast cancer patients: i
  8. Wesa KM, Cunningham-Rundles S, Klimek VM, et al. Maitake mushroom extract in myelodysplastic syndromes (MDS): a phase II study. Cancer Immunol Immunother 2015;64(2):237-47. PubMed

See these in context on the Maitake Mushroom monograph →

Lion's Mane Mushroom 6 references
  1. Product information for <em>Niaspan</em>. Abbott Laboratories. North Chicago, IL 60064. April 2015.
  2. Liang B, Guo Z, Xie F, Zhao A. Antihyperglycemic and antihyperlipidemic activities of aqueous extract of Hericium erinaceus in experimental diabetic rats. BMC Complement Altern Med. 2013;13:253. PubMed
  3. Mori K, Inatomi S, Ouchi K, Azumi Y, Tuchida T. Improving effects of the mushroom Yamabushitake (Hericium erinaceus) on mild cognitive impairment: a double-blind placebo-controlled clinical trial. Phytother Res. 2009;23(3):367-72.
  4. Mori K, Kikuchi H, Obara Y, et al. Inhibitory effect of hericenone B from Hericium erinaceus on collagen-induced platelet aggregation. Phytomedicine. 2010;17(14):1082-5. PubMed
  5. Li IC, Chang HH, Lin CH, et al. Prevention of early Alzheimer's disease by erinacine A-enriched Hericium erinaceus mycelia pilot double-blind placebo-controlled study. Front Aging Neurosci 2020 Jun 3;12:155. doi: 10.3389/fnagi.2020.00155. PubMed
  6. Tian B, Liu R, Xu T, et al. Modulating effects of Hericium erinaceus polysaccharides on the immune response by regulating gut microbiota in cyclophosphamide-treated mice. J Sci Food Agric 2023;103(6):3050-3064.

See these in context on the Lion's Mane Mushroom monograph →

Shiitake Mushroom 67 references
  1. Hitosugi M, Kitamura O, Takatsu A, Yoshino Y. Autopsy case of duodenal obstruction from impacted mushroom. J Gastroenterol 1998;33:562-5. PubMed
  2. Hanada K, Hashimoto I. Flagellate mushroom (Shiitake) dermatitis and photosensitivity. Dermatol 1998;197:255-7. PubMed
  3. 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
  4. 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
  5. Matsui S, Nakazawa T, Umegae Y, Mori M. Hypersensitivity pneumonitis induced by Shiitake mushroom spores. Intern Med 1992;31:1204-6.
  6. Nakamura T. Shiitake (Lentinus edodes) dermatitis. Contact Dermatitis 1992;27:65-70.
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Reishi Mushroom 17 references
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Poria Mushroom 3 references
  1. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  2. Kim H, Park I, Park K, Park S, Kim YI, Park BG. The positive effects of Poria cocos extract on quality of sleep in insomnia rat models. Int J Environ Res Public Health 2022;19(11):6629. PubMed
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Chaga 9 references
  1. Sun JE, Ao ZH, Lu ZM, et al. Antihyperglycemic and antilipidperoxidative effects of dry matter of culture broth of Inonotus obliquus in submerged culture on normal and alloxan-diabetes mice. J Ethnopharmacol 2008;118(1):7-13. PubMed
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