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Dietary supplement

Reishi Ingredients & Drug Interactions

by HealthForce SuperFoods

Reishi label
See full label image
Powder Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 23, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Reishi 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

Reishi is a dietary supplement by HealthForce SuperFoods with 1 active ingredient. Its ingredients are commonly taken for immune support, fatigue and general well-being, stress and sleep.Based on those ingredients, 494 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Reishi Fruiting Body Extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Reishi by HealthForce SuperFoods

Ask about any prescription or over-the-counter medication and we check it for interactions with Reishi by HealthForce SuperFoods — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Reishi by HealthForce SuperFoods

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

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 1 active ingredient.
  • “Reishi Fruiting Body Extract” is listed as a grouped ingredient — the label gives one combined amount (1,600 mg) without saying how much of each component you get.

This product has one active ingredient: beta-glucans, which are compounds extracted from reishi mushroom. Beta-glucans are the compounds in reishi thought to support heart and cholesterol health.

There are no other active ingredients — the powder is the extract itself.

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 Beta-glucans's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: Immune support, stress, sleep and well-being.
  • We looked for evidence on: Stress, Insomnia, Psychological well-being, Chronic fatigue syndrome (CFS), Cancer-related fatigue, Upper respiratory tract infection (URTI) — and 4 related terms.
  • The closest evidence on file: Beta-glucans is rated "Insufficient Reliable Evidence To Rate" for Cancer (Natural Medicines).
  • Also on file: Beta-glucans is rated "Insufficient Reliable Evidence To Rate" for Chronic fatigue syndrome (CFS), Upper respiratory tract infection (URTI), Lower respiratory tract infections.

The beta-glucans in this product are likely effective for managing dyslipidemia (abnormal cholesterol and triglyceride levels) and supporting heart health in coronary artery disease. That's based on clinical evidence.

If you're taking it for other reasons — immune support, sleep, stress, or anything else — the data we hold doesn't establish effectiveness for those uses.

The evidence, ingredient by ingredient Reishi Mushroom Beta-glucans

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 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 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.

Beta-glucans from food sources are generally well tolerated. However, concentrated supplement doses haven't been studied as thoroughly as food amounts, so caution is advised if you're using this powder long-term.

The most common side effect reported topically (on skin) is contact dermatitis or mild skin reactions. When taken by mouth at very high doses in clinical trials, one patient showed temporary elevations in liver enzymes, but this was rare.

There isn't enough safety data on concentrated beta-glucan supplements during breastfeeding, so talk with your doctor or pharmacist if you're nursing.

Side effects, ingredient by ingredient Reishi Mushroom Beta-glucans

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 — Beta-glucans.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: immunosuppressants / transplant drugs.
  • For scale: 293 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.

Check with your pharmacist before starting if you take immunosuppressant drugs (those after a transplant or for autoimmune conditions) or blood pressure medications. Beta-glucans may interfere with immunosuppressants and could lower your blood pressure further.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

If you're managing cholesterol or heart disease and want an evidence-based reishi supplement, this one's worth discussing with your doctor — especially if you take blood pressure or immune-suppressing medications. The concentrated dose here hasn't been studied as extensively as whole food sources, so it's worth checking in with your pharmacist about how long you plan to use it.

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 Sep 25, 2024.

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 Reishi, straight from the product label.

Brand HealthForce SuperFoods
Barcode (UPC) 650786003728
Net contents 140 Gram(s); 4.94 Ounce(s)
Market status On market
Date entered into DSLD Sep 25, 2024
DSLD ID 317496
Product type Botanical
Supplement form Powder
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 Reishi by HealthForce SuperFoods, 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:
1.6 Gram(s)
Maximum serving Sizes:
1.6 Gram(s)
Servings per container
88
UPC/BARCODE
650786003728
IngredientAmount% DV
1,3/1,6 Beta-D-Glucans0 NP--
Reishi Fruiting Body Extract1600 mg--

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

Eco Facility Lab Verified Ecofresh Packaging

Vegan Ethics Certified Vegan Vegan.org

Integrity Extracts Reishi powder is certified organic, vegan, kosher, and gluten-free.

Integrity Extracts Reishi powder is certified organic, vegan, kosher, and gluten-free.

Integrity Extracts Reishi powder is certified organic, vegan, kosher, and gluten-free. GFCO.org Certified Gluten-free

"Mushroom of Immortality"

Lab tested for pesticides, GMOs, irradiation, botanical identity, microbial activity, gluten, and heavy metals.

Certified Organic by Oregon Tilth TruGanic Verified Sourcing USDA Organic

Formula

Reishi (Ganoderma lingzhi), also known as the "Mushroom of Immortality" has been used in Chinese Medicine for at least 2,000 years and has been documented in some of the earliest phamacopoeia texts in Asia. Reishi was traditionally used as a tonic to strengthen vital energy or "Qi", and was thought to help support balance and inner strength. Valued as a potent adaptogen in modern herbalism, reishi may help the body adapt to stress, and supports the maintenance of a healthy immune system. Reishi has a deep woodsy, bitter flavor. Our pure, wood-grown reishi mushroom extract is made by hot water extraction using the fruiting body of the fungi.

Integrity Extracts Reishi powder is certified organic, vegan, kosher, and gluten-free. OU Pareve (Kosher)

Suggested/Recommended/Usage/Directions

The powder can be added to smoothies, fresh juices, or teas.

Suggested Use: 1 teaspoon per day, or as advised by a qualified health care professional. Add to smoothies, teas, or hot water. Consume with conscious, positive intent.

General Statements

"I wish you great health and happiness always!" Dr. Jameth Sheridan - Naturopath and Hard-Core Herbal Medicine Researcher

FDA Disclaimer Statement

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

FDA Statement of Identity

Dietary Supplement

Seals/Symbols

USDA Organic OTCO (Oregon Tilth Certified Organic) Certified Vegan Vegan.org GFCO.org Certified Gluten-free OU Pareve (Kosher)

TruGanic Verified Sourcing

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

See for yourself

Reishi by HealthForce SuperFoods label

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

Reishi 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 Reishi by HealthForce SuperFoods

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

Serving size1.6 Gram(s) Dosage formPowder Servings per container88 Amounts shown are per serving.

Reishi Fruiting Body Extract

Interacts with
375 drugs
1600 mg per serving Form: Ganoderma lingzhi Fruiting Body Extract

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 Fruiting Body Extract monograph & interactions
Interaction report

Reishi by HealthForce SuperFoods Drug Interactions

Want to check YOUR meds against Reishi?

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
494Drugs
494 Moderate

Ingredients driving the most interactions

Reishi Fruiting Body Extract 375

Individual Drug Interactions

The ingredients in Reishi interact with 494 drugs. Click any drug to see the details.

1 of the 1 ingredient in Reishi interact with drugs. Each result below shows which ingredient is responsible. Reishi Fruiting Body Extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Reishi 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.

Reishi Fruiting Body Extract3 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 Fruiting Body Extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Reishi, from the product label.

HealthForce SuperFoods

See all HealthForce SuperFoods products
Name
Excelsior Alchemy
City
Tempe
State
AZ
ZipCode
85284
Phone Number
(800) 748-6229
Web Address
www.HealthForceSuperFoods.com
Pharmacist Counseling Corner

Reishi by HealthForce SuperFoods: Common Questions

Does Reishi by HealthForce SuperFoods interact with any medications?
Yes. Based on its ingredients, Reishi has a known interaction with 494 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Reishi 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.
Does this actually work for high cholesterol or heart disease?
Yes — the beta-glucans in reishi are likely effective for both. The evidence is solid for managing dyslipidemia (abnormal cholesterol and triglycerides) and for coronary artery disease. If you're taking it for other reasons like immune support or sleep, we don't have evidence for those yet.
Is it safe to take long-term?
Beta-glucans from food are well tolerated, but this is a concentrated supplement and long-term safety data is limited. Use with caution if you plan to take it regularly for months on end. Talk to your pharmacist about what makes sense for your situation.
Can I take this while breastfeeding?
There isn't enough research on concentrated beta-glucan supplements during breastfeeding. Talk with your doctor or pharmacist — they can help you weigh the benefits and risks for your situation.
What are the side effects?
When taken by mouth, beta-glucans are generally well tolerated. One rare case in a clinical trial showed temporary liver enzyme elevations. Most reported side effects are from topical (skin) use — mild contact dermatitis or skin reactions. If you notice anything unusual, let your pharmacist know.
Are there any fillers or other ingredients in this?
No — this product is just the reishi extract itself. No inactive ingredients are listed.

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

Not sure if Reishi is safe with your meds?

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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.

Reishi label
Go deeper

The Full Monographs Behind Reishi’s Ingredients

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

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

Beta-glucans

Interacts with 293 drugs

Beta-glucans are natural fibers found in oats, barley, mushrooms, and yeast. The strongest evidence supports the oat and barley types for modestly lowering cholesterol and blood sugar, while...

Read the full Beta-glucans monograph →
Sources

Sources & How We Checked

Reishi'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 28 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.

Beta-glucans 11 references
  1. Katz, D. L., Nawaz, H., Boukhalil, J., Giannamore, V., Chan, W., Ahmadi, R., and Sarrel, P. M. Acute effects of oats and vitamin E on endothelial responses to ingested fat. Am.J.Prev.Med. 2001;20(2):124-129. PubMed
  2. Keenan, J. M., Pins, J. J., Frazel, C., Moran, A., and Turnquist, L. Oat ingestion reduces systolic and diastolic blood pressure in patients with mild or borderline hypertension: a pilot trial. J.Fam.Pract. 2002;51(4):369.
  3. Maki, K. C., Galant, R., Samuel, P., Tesser, J., Witchger, M. S., Ribaya-Mercado, J. D., Blumberg, J. B., and Geohas, J. Effects of consuming foods containing oat beta-glucan on blood pressure, carbohydrate metabolism and biomarkers of oxidative stress i
  4. Bergendiova, K., Tibenska, E., and Majtan, J. Pleuran (beta-glucan from Pleurotus ostreatus) supplementation, cellular immune response and respiratory tract infections in athletes. Eur.J.Appl.Physiol 2011;111(9):2033-2040.
  5. Talbott S, Talbott J. Effect of beta 1,3/1,6 glucan on respiratory tract infection symptoms and mood state in marathon athletes. J Sports Sci Med 2009;8(4):509-515.
  6. Feldman S, Schwartz HI Kalman DS Mayers A Kohrman HM Clemens R Krieger DR. Randomized phase II clinical trials of Wellmune WGP® for immune support during cold and flu season. The Journal of Applied Research 2009;9(1-2):30-42.
  7. McFarlin BK, Carpenter KC, Davidson T, McFarlin MA. Baker's yeast beta glucan supplementation increases salivary IgA and decreases cold/flu symptomatic days after intense exercise. J Diet Suppl. 2013;10(3):171-83. PubMed
  8. Jesenak M, Urbancek S, Majtan J, Banovcin P, Hercogova J. ß-Glucan-based cream (containing pleuran isolated from pleurotus ostreatus) in supportive treatment of mild-to-moderate atopic dermatitis. J Dermatolog Treat 2016;27(4):351-4.
  9. Mah E, Kaden VN, Kelley KM, Liska DJ. Beverage containing dispersible yeast ß-glucan decreases cold/flu symptomatic days after intense exercise: a randomized controlled trial. J Diet Suppl 2020;17(2):200-10. PubMed
  10. Zhong K, Liu Z, Lu Y, Xu X. Effects of yeast ß-glucans for the prevention and treatment of upper respiratory tract infection in healthy subjects: a systematic review and meta-analysis. Eur J Nutr. 2021. PubMed
  11. Cardenas FI, Mauguen A, Cheung IY, et al. Phase I trial of oral yeast-derived ß-glucan to enhance anti-GD2 immunotherapy of resistant high-risk neuroblastoma. Cancers (Basel) 2021;13(24):6265. PubMed

See these in context on the Beta-glucans monograph →

Reishi Mushroom 17 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. Tao J, Feng KY. Experimental and clinical studies on inhibitory effect of ganoderma lucidum on platelet aggregation. J Tongji Med Univ 1990;10:240-3. PubMed
  3. Singh AB, Gupta SK, Pereira BM, Prakash D. Sensitization to Ganoderma lucidum in patients with respiratory allergy in India. Clin Exp Allergy 1995;25:440-7.
  4. Lee SY, Rhee HM. Cardiovascular effects of mycelium extract of Ganoderma lucidum: inhibition of sympathetic outflow as a mechanism of its hypotensive action. Chem Pharm Bull (Tokyo) 1990;38:1359-64. PubMed
  5. Kwok Y, Ng KFJ, Li, CCF, et al. A prospective, randomized, double-blind, placebo-controlled study of the platelet and global hemostatic effects of Ganoderma lucidum (Ling-Zhi) in healthy volunteers. Anesth Analg 2005;101:423-6. PubMed
  6. Wanmuang, H., Leopairut, J., Kositchaiwat, C., Wananukul, W., and Bunyaratvej, S. Fatal fulminant hepatitis associated with Ganoderma lucidum (Lingzhi) mushroom powder. J Med Assoc Thai. 2007;90(1):179-181.
  7. Seto, S. W., Lam, T. Y., Tam, H. L., Au, A. L., Chan, S. W., Wu, J. H., Yu, P. H., Leung, G. P., Ngai, S. M., Yeung, J. H., Leung, P. S., Lee, S. M., and Kwan, Y. W. Novel hypoglycemic effects of Ganoderma lucidum water-extract in obese/diabetic (+db/+db
  8. Chu, T. T., Benzie, I. F., Lam, C. W., Fok, B. S., Lee, K. K., and Tomlinson, B. Study of potential cardioprotective effects of Ganoderma lucidum (Lingzhi): results of a controlled human intervention trial. Br.J.Nutr. 2012;107(7):1017-1027.
  9. Jin, X., Ruiz, Beguerie J., Sze, D. M., and Chan, G. C. Ganoderma lucidum (Reishi mushroom) for cancer treatment. Cochrane.Database.Syst.Rev. 2012;6:CD007731.
  10. Kabir, Y., Kimura, S., and Tamura, T. Dietary effect of Ganoderma lucidum mushroom on blood pressure and lipid levels in spontaneously hypertensive rats (SHR). J Nutr Sci Vitaminol.(Tokyo) 1988;34(4):433-438. PubMed
  11. Kanmatsuse, K., Kajiwara, N., Hayashi, K., Shimogaichi, S., Fukinbara, I., Ishikawa, H., and Tamura, T. [Studies on Ganoderma lucidum. I. Efficacy against hypertension and side effects]. Yakugaku Zasshi 1985;105(10):942-947. PubMed
  12. Gao, Y., Lan, J., Dai, X., Ye, J., and Zhou, S. A Phase I/II Study of Ling Zhi Mushroom Ganoderma lucidum(W.Curt: Fr.) Lloyd (Aphyllophoromycetideae) Extract in Patients with Type II Diabetes Mellitus. International Journal of Medicinal Mushrooms 2004;6. DOI
  13. Jin H, Zhang G, Cao X, and et al. Treatment of hypertension by linzhi combined with hypotensor and its effects on arterial, arteriolar and capillary pressure and microcirculation. In: Niimi H, Xiu RJ, Sawada T, and et al. Microcirculatory Approach to Asi
  14. Klupp NL, Chang D, Hawke F, Kiat H, Cao H, Grant SJ, Bensoussan A. Ganoderma lucidum mushroom for the treatment of cardiovascular risk factors. Cochrane Database Syst Rev. 2015 Feb 17;2:CD007259. PubMed
  15. Zhao H, Zhang Q, Zhao L, Huang X, Wang J, Kang X. Spore Powder of Ganoderma lucidum Improves Cancer-Related Fatigue in Breast Cancer Patients Undergoing Endocrine Therapy: A Pilot Clinical Trial. Evid Based Complement Alternat Med. 2012;2012:809614.
  16. Pazzi F, Adsuar JC, Domínguez-Muñoz FJ, García-Gordillo MA, Gusi N, Collado-Mateo D. Ganoderma lucidum effects on mood and health-related quality of life in women with fibromyalgia. Healthcare (Basel) 2020;8(4):520. PubMed
  17. Kogure T, Koiwai A, Fukushi D, et al. Hypereosinophilia with hepatic nodule formation caused by Ganoderma lucidum. Intern Med 2021;60(24):3897-3903.

See these in context on the Reishi 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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