No active regulatory warningsFDA MedWatch, EMA EudraVigilance, WHO VigiBase, WADA Prohibited List · 2026-05-29
Updated: 2026-05-29 · v2.0 · Prof. G. Pkhakadze, MD, MPH, PhDCiteEditorial
📰Read the full Oyster Mushroom evidence review on GMJ News →Complete clinical article, references and updates on news.gmj.ge. This page is the structured safety summary.
1
Safe
Oyster Mushroom
Pleurotus ostreatus
Generally SafeLimitedMushrooms
RDA
Typical 500–2,000 mg extract
Target
N/A
Upper limit
No UL
Products
8
Dosage by population group — reference
🔗 Best with: Shiitake Extract, Reishi, Maitake✅ USP Verified, ConsumerLab Approved, USDA Organic
⚠ NOT a statin replacement — lovastatin content is trace [1]
⚠ Better as food than supplement [1]
⚠ Pleuran: one pediatric respiratory infection trial [2]
ℹ️ Not obtained from food. Not applicable — this is not obtained from food in meaningful amounts; supplementation is the practical route.
🔬 Lab interpreter
ℹ️ No validated blood test. There is no established laboratory test to assess status or guide dosing for this ingredient. Clinical response and symptoms are the practical guide.
⚕ For professionals — confirm ranges against your local laboratory.
Clinical verdict
Oyster mushroom is primarily CULINARY — delicious, nutritious, with incidental health benefits from trace lovastatin and beta-glucans. NOT a statin replacement (lovastatin content far too low). Pleuran (beta-glucan) has one positive pediatric respiratory trial. Eat as food for enjoyment and modest benefits [1] [2].
1 How much do I need?
👤 Adults: Specific dosage data under clinical review
👴 Elderly: Specific dosage data under clinical review
🤰 Pregnancy: See guidance
Safe culinary mushroom [1].
👦 Pediatric: Specific dosage data under clinical review
🏃 Athletes: Standard dose
⚖️ Obesity: Standard dose
Fat-soluble compounds may require dose adjustment in obesity.
🩺 Renal: Consult specialist
Dose adjustment may be needed in renal impairment.
🌱 Vegan: Standard dose

How to take

🍽 Timing: Eat as food [1].
💊 With food: Sauté, grill, add to soups/stir-fries [1].
🚫 Avoid: No contraindications [1].
2 Which form?
FormBioavailabilityVeganCost
['Fresh/dried oyster mushroom', 'common', 'Culinary. Delicious, versatile [1].']StandardCheck label
['Pleuran (beta-glucan extract)', '', 'Immune supplement. Some pediatric respiratory tract infection data [2].']StandardCheck label
3 Common questions
Can oyster mushrooms replace statins?
No — the natural lovastatin content is far too low for therapeutic cholesterol effects. You would need to eat kilograms daily. Eat them as food for modest, incidental benefits [1].
Oyster mushrooms for immune health?
Pleuran (beta-glucan) showed reduced respiratory infections in children in one trial [2]. The immunomodulatory effect is real but modest compared to Turkey Tail or Reishi.
4 Clinical evidence

Strong

Culinary mushroom with nutritional value — well-characterized [1]. Contains lovastatin (trace) — confirmed by chemical analysis [1]. HIGH

Moderate

Pleuran (beta-glucan): reduced respiratory tract infections in children in one Slovak RCT [2]. Cholesterol: some small trials show modest reduction from regular consumption (likely fiber + lovastatin combination) [1]. Immune: beta-glucan effects [1]. MODERATE

Insufficient

Cancer [1]. Diabetes [1]. Cardiovascular outcomes [1]. Anti-aging [1]. Dedicated medicinal use (better as food than supplement) [2]. LOW
5 Safety, toxicity & adverse events

Absolute contraindications

✕ Mushroom hypersensitivity

Relative

⚠ Contains lovastatin — theoretical additive effect/risks with statins at high intake
⚠ Pregnancy and lactation — culinary amounts fine; concentrated extracts less studied

🚩 Red flags

Patient expecting statin-equivalent effects from oyster mushroom — lovastatin content is trace [1]
6 Interactions

Supplement synergies

Diverse mushroom consumption · Dietary
Different mushrooms provide different beta-glucan profiles [1].
7 Regulatory
Global: Major food crop. No special regulatory status needed [1].
8 US supplement products
8
on-market products containing Oyster Mushroom (NIH DSLD)

Brands carrying Oyster Mushroom (8)

Click a brand to see its Oyster Mushroom products.
Or browse all 8 products in one list →
9 Frequently paired with
Cordyceps 5 sharedCalcium 4 shared
Oyster Mushroom vs Shiitake ExtractOyster Mushroom vs Reishi
10 Cite this page
Vancouver: Pkhakadze G. Oyster Mushroom — safety profile [Internet]. Tbilisi: PHIG; 2026 [cited 2026 Aug 15]. Available from: https://supplement.ge/ingredients/oyster-mushroom/
APA 7th: Pkhakadze, G. (2026). Oyster Mushroom — Safety profile. Public Health Institute of Georgia. https://supplement.ge/ingredients/oyster-mushroom/
📋 Editorial information
Author: Prof. G. Pkhakadze, MD, MPH, PhD
Affiliation: David Tvildiani Medical University (DTMU)
First published: January 2026
Last reviewed: 2026-05-29
Next review: February 2027
References: 2 cited sources
COI: SupplementIndex receives no funding from supplement manufacturers. All content independently authored by PHIG.
Process: Systematic literature review
📄 License & reuse
Published under Creative Commons Attribution 4.0 International (CC BY 4.0). You may share and adapt for any purpose with attribution.
Pkhakadze G. "Oyster Mushroom — Safety Profile." SupplementIndex, PHIG, 2026. https://supplement.ge/ingredients/oyster-mushroom/ CC BY 4.0.
GP
Prof. G. Pkhakadze, MD, MPH, PhD
Professor of Public Health · Head of Department, DTMU
Editor-in-Chief, Georgian Medical Journal (ISSN 3088-4322)
Chair, Public Health Institute of Georgia · UEMS Public Health Section
Educational and public health purposes. CC BY 4.0. Consult your healthcare provider before starting any supplement. Corrections: info@accreditation.ge. Publisher: PHIG