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Dietary supplement

Lion's Mane Mushroom 1,000 mg Ingredients & Drug Interactions

by Doctors' Preferred

Lion's Mane Mushroom 1,000 mg 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 Lion's Mane Mushroom 1,000 mg 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

Lion's Mane Mushroom 1,000 mg is a dietary supplement by Doctors' Preferred with 1 active ingredient. Its ingredients are commonly taken for memory and cognitive support, nerve health, mood and anxiety.Based on those ingredients, 327 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Lion's Mane. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Lion's Mane Mushroom 1,000 mg by Doctors' Preferred

Ask about any prescription or over-the-counter medication and we check it for interactions with Lion's Mane Mushroom 1,000 mg by Doctors' Preferred — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of Lion's Mane Mushroom 1,000 mg by Doctors' Preferred

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

From our pharmacy team — supplement deep dive

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

What’s inside

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 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: Lion's Mane Mushroom at 1,000 mg per capsule. The capsule also holds inactive ingredients — hypromellose, stearic acid, and silica — which serve as binding and flow agents.

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 — see Lion's Mane Mushroom's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: Cognitive support and general wellness tonic.
  • We looked for evidence on: Memory, Cognitive function, Cognitive impairment, Anxiety, Depression, Brain health — and 3 related terms.
  • The closest evidence on file: Lion's Mane Mushroom is rated "Insufficient Reliable Evidence To Rate" for Anxiety (Natural Medicines).
  • Also on file: Lion's Mane Mushroom is rated "Insufficient Reliable Evidence To Rate" for Cognitive function, Cognitive impairment, Depression, Memory.

The evidence for lion's mane mushroom isn't established yet in the data we hold. Studies haven't generated reliable evidence for Alzheimer's disease, anxiety, athletic performance, cancer, cognitive function, or cognitive impairment.

That doesn't mean it doesn't work — it means we don't have the research to back up those claims yet.

The evidence, ingredient by ingredient Lion's Mane Mushroom

How safe is it?

Some data gaps
Safety Information · database check
Some gaps

Safety data exists for these ingredients, but with some important gaps.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 0 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

As a food, lion's mane mushroom is generally well tolerated. As a supplement taken long-term, though, safety hasn't been studied much.

The most common side effects reported are gastrointestinal discomfort, nausea, and skin rash. During pregnancy and breastfeeding, there isn't enough safety data, so the advice is to avoid this supplement.

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

Side effects, ingredient by ingredient Lion's Mane Mushroom

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?
  • 1 of the 1 matched ingredient can interact with medications — Lion's Mane Mushroom.
  • 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: 327 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 you take this, double-check if you're on blood thinners or antiplatelet drugs — there's a Moderate risk of increased bleeding. Also flag it if you take diabetes medications (Moderate risk of blood sugar dropping too low) or immunosuppressants (Moderate risk of reduced effectiveness).

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 some safety-information gaps remain.

Lion's mane may be worth considering if you're interested in cognitive support, but the evidence isn't solid yet. If you take blood thinners, diabetes medications, or immunosuppressants, check with us first — this product could interfere.

A quick conversation with your pharmacist will let you know if it's right for you.

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 Feb 23, 2025.

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 Lion's Mane Mushroom 1,000 mg, straight from the product label.

Brand Doctors' Preferred
Barcode (UPC) 810047391678
Net contents 60 Vegan Capsule(s)
Market status On market
Date entered into DSLD Feb 23, 2025
DSLD ID 322434
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Gluten Free, Dairy 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 Lion's Mane Mushroom 1,000 mg by Doctors' Preferred, 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 Vegan Capsule(s)
Maximum serving Sizes:
2 Vegan Capsule(s)
Servings per container
30
UPC/BARCODE
810047391678
IngredientAmount% DV
Lion's Mane1 Gram(s)--

Other ingredients: Hypromellose, Stearic Acid, Silica

Tap any ingredient to jump to its full detail below.

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

Ancient tradition meets modern science Lion's Mane has been used as an overall tonic in Chinese tradition for thousands of years. Now, modern research is digging deeper into medicinal mushrooms to fully unlock their remarkable potential. Unconditionally guaranteed for purity and labeled potency. Due to the nature of these ingredients, color variation may occur.

Vegan

GF Gluten Free

Made from fruiting bodies of Lion's Mane Mushroom

Storage

To preserve quality, store bottle at room temperature and humidity [59-86 degrees F (15-30 degrees C), 40% RH].

FDA Disclaimer Statement

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

General Statements

Get to know the doctors at DoctorsPreferred.com 1-800-304-1709

30-Day Supply

Seals/Symbols

Vegan Triple Tested cGMP Certified Facility

Triple Tested For Purity & Potency

Formula

Lion's Mane Mushroom 1,000 mg/serving

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Suggested use: Take two (2) vegan capsules once daily, with or without food.

Precautions

Precautions: Consult your healthcare practitioner before use if you are pregnant or nursing, have or suspect a medical condition, or use any medications.

Take with food if you experience stomach upset. Discontinue use two weeks prior to surgery or if any serious adverse reaction occurs. Do not use if safety seal is missing.

Keep out of reach of children.

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

See for yourself

Lion's Mane Mushroom 1,000 mg by Doctors' Preferred label

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

Lion's Mane Mushroom 1,000 mg 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 Lion's Mane Mushroom 1,000 mg by Doctors' Preferred

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

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

Lion's Mane

Interacts with
327 drugs
1 Gram(s) per serving Form: 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

Other (inactive) ingredients: Hypromellose, Stearic Acid, Silica. These complete the product’s ingredient list but are not active constituents.

Interaction report

Lion's Mane Mushroom 1,000 mg by Doctors' Preferred Drug Interactions

Want to check YOUR meds against Lion's Mane Mushroom 1,000 mg?

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
327Drugs
327 Moderate

Ingredients driving the most interactions

Lion's Mane 327

Individual Drug Interactions

The ingredients in Lion's Mane Mushroom 1,000 mg interact with 327 drugs. Click any drug to see the details.

1 of the 1 ingredient in Lion's Mane Mushroom 1,000 mg interact with drugs. Each result below shows which ingredient is responsible. Lion's Mane

Each ingredient & the kinds of drugs it affects

For each ingredient in Lion's Mane Mushroom 1,000 mg 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.

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
The maker

Brand information

Manufacturer and brand details for Lion's Mane Mushroom 1,000 mg, from the product label.

Doctors' Preferred

See all Doctors' Preferred products
Name
Healthy Directions
City
Bethesda
State
MD
ZipCode
20817
Phone Number
1-800-304-1709
Web Address
DoctorsPreferred.com
Pharmacist Counseling Corner

Lion's Mane Mushroom 1,000 mg by Doctors' Preferred: Common Questions

Does Lion's Mane Mushroom 1,000 mg by Doctors' Preferred interact with any medications?
Yes. Based on its ingredients, Lion's Mane Mushroom 1,000 mg has a known interaction with 327 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Lion's Mane Mushroom 1,000 mg contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism 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.
What is lion's mane mushroom supposed to do?
Lion's mane is marketed for cognitive support — things like memory, focus, and brain health — but we don't have reliable evidence yet that it actually works for those purposes. The research just isn't there to back up the claims.
Can I take this if I'm pregnant or breastfeeding?
No, the safety data isn't available. The advice is to avoid this supplement during pregnancy and while breastfeeding. Talk with your doctor or pharmacist about what's right for your situation.
What side effects should I watch for?
The most common ones reported are stomach upset, nausea, and skin rash. Lion's mane is generally well tolerated as a food, but long-term safety as a supplement hasn't been well studied.
I take warfarin (a blood thinner). Can I use this product?
Not without checking with your pharmacist first. Lion's mane may increase bleeding risk when combined with blood thinners. We need to review your specific situation before you start it.
I'm diabetic. Is this safe for me?
Check with your pharmacist or doctor first. Lion's mane may lower blood sugar the same way your diabetes medication does, which could drop it too far. Your healthcare team will help you decide if it's okay.
What's actually in the capsule besides the mushroom?
The capsule contains hypromellose (a coating material), stearic acid, and silica — these are inactive ingredients that help the capsule hold together and flow properly.

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

Not sure if Lion's Mane Mushroom 1,000 mg is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

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

Lion's Mane Mushroom 1,000 mg label
Go deeper

The Full Monographs Behind Lion's Mane Mushroom 1,000 mg’s Ingredients

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

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 →
Sources

Sources & How We Checked

Lion's Mane Mushroom 1,000 mg'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 6 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.

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 →

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

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