Fake Tiger Milk Mushroom? How to Spot the Real One
When people ask about fake tiger milk mushroom, the mushroom it gets mixed up with in the research is Pleurotus tuber-regium. It is a real, edible mushroom with its own studies, but it is a different species from a different family. So it is the wrong mushroom if you meant to buy tiger milk mushroom. To spot the real one, look for the species name Lignosus rhinocerus first. The word sclerotium and checkable certificates tell you how careful the brand is.
TYGRON® is a daily sachet built on the sclerotium of the Malaysian tiger milk mushroom (Lignosus rhinocerus), from ORGANO, operated by Fungitech Australia Pty Ltd and Fungitech Sdn Bhd, and formulated in Sydney. We sell one of the two mushrooms on this page, so the research claims below link to their sources.
What does "fake tiger milk mushroom" actually mean?
According to a review in Frontiers in Pharmacology (Nallathamby and colleagues, 2018): "Lignosus rhinocerotis was often mistaken for Pleurotus tuber-regium or Lentinus tuber-regium." The paper spells our species a slightly different way, and those last two names are one mushroom, as a 2026 paper in Scientific Reports shows.
That sentence is about people identifying the mushroom. It is not about shops. We looked for a study showing that sellers pass one off as the other and found none, so we accuse no one. Here, "fake" means one thing only: the wrong mushroom, if it is sold or bought as tiger milk mushroom.
Is Pleurotus tuber-regium a bad mushroom?
No. It is a good mushroom with its own history. A 2022 paper in Frontiers in Microbiology calls it "an edible and medicinal sclerotium-producing mushroom" and lists its sclerotia as an ingredient in pork sausage and a way to thicken and flavour soups. The 2026 Scientific Reports paper says it is "widely used as food and traditional medicine in parts of Africa and Asia". Nothing we found suggests it is unsafe. It is simply not tiger milk mushroom.
Why are the two mushrooms so hard to tell apart?
- They share a nickname. A 2014 paper in the Journal of Agricultural and Food Chemistry describes Pleurotus tuber-regium as "both an edible and a medicinal mushroom also known as tiger milk mushroom". Even scientists use the same English name for two species, and the common Chinese name for the other mushroom sounds close to ours.
- Both grow from a sclerotium. This is a firm, tuber-like food store that sits in the soil, or in rotting wood for Pleurotus tuber-regium.
- Powder hides everything. After 20 years of learning about and cultivating mushrooms, I would not trust my own eyes with a milled sclerotium. The skin, the cap and the underside are gone, and what is left of either one looks the same: a pale powder.
Labs can tell them apart. Choong and colleagues (2016) scanned five sclerotia with infrared light, these two among them, and report the scan "has revealed the dissimilarity among five mushrooms sclerotia". You cannot do that in your kitchen, which is why the label matters.
How do tiger milk mushroom and Pleurotus tuber-regium compare?
| Tiger milk mushroom | Pleurotus tuber-regium | |
|---|---|---|
| Species | Lignosus rhinocerus | Pleurotus tuber-regium, also written Lentinus tuber-regium |
| Family | Polyporaceae | Pleurotaceae |
| Under the cap | Tiny holes called pores | Gills |
| Sclerotium | Brown knobbly skin, white inside, irregular shape, stays underground | Dark brown skin, white inside, up to 30 cm wide, in soil or rotting wood |
| Traditional use | Native communities in Malaysia, for hunger, cough and asthma, and stamina | Food in soups and sausage; folk use for headache, stomach pain, fever and cold |
| Compounds named in the papers we cite | 1,3 and 1,6 beta-glucans, lectins, immune-related proteins | Beta-glucan with a 1,3 backbone and 1,6 branches, phenolic acids, triterpenes, sterols |
| PubMed papers (our search, October 2026) | 119 | 113 |
| ClinicalTrials.gov studies (same date) | 4 | 0 |
This table is not a ranking. The family of Pleurotus tuber-regium comes from the Duke University herbarium record. Counts are our own searches of PubMed and ClinicalTrials.gov for each species name, so they will change.
Do the two mushrooms have the same active compounds?
They overlap, and that overlap is the trap. Both carry beta-glucan. Zhang and colleagues (2001) found a beta-glucan in Pleurotus tuber-regium sclerotium with a 1,3 backbone and a 1,6 side branch on one out of every three units. The 2018 review reports that the tiger milk mushroom genome "appears to code for 1,3-β- and 1,6-β- glucans". So "beta-glucan" on a pack, even "1,3/1,6 beta-glucan", does not tell you the species.
Beyond that, the papers we cite report different things. For tiger milk mushroom sclerotium, the same review lists proteins called lectins, at 39.13 percent of the proteins found, and immune-related proteins at 2.52 percent. For Pleurotus tuber-regium sclerotium, Lin and colleagues (2014) found natural compounds called phenolic acids, Wang and colleagues (2022) studied triterpenes, and a 2025 follow-up studied sterols. These are separate studies, not a side-by-side test, so a compound missing from one column has not been shown to be absent.
What do published studies say each mushroom does?
Tiger milk mushroom. The 2018 review says the sclerotium is sought after by native communities in Malaysia "to stave off hunger, relieve cough and asthma, and provide stamina". In a 2021 study in Scientific Reports, 50 healthy adults took tiger milk mushroom for three months and the researchers reported a 19.7 percent rise in FEV1, a measure of how much air you can blow out in one second. A 2026 systematic review on asthma found promise.
Pleurotus tuber-regium. The 2014 paper reported strong antioxidant activity. In the 2025 study, mice on a high-fat, high-sugar diet given the highest dose of sterol extract had 17.2 percent lower body weight and 20.0 percent lower LDL cholesterol than the untreated high-fat group. The 2022 study reported less fat build-up in zebrafish.
These findings are about the mushrooms in those studies, not claims about TYGRON®, which is a functional food.
How can you check you are buying real tiger milk mushroom?
- Find the exact species. Look for Lignosus rhinocerus on the label or product page. "Tiger milk mushroom" alone is not enough. Some papers and labels spell it Lignosus rhinocerotis. It is the same species.
- Find the word sclerotium. Both mushrooms have one, so this check will not separate them. It is the part the traditional use is built on. If a pack does not say which part it uses, ask.
- Ask for certificates. GMP, HACCP and Halal tell you how a product is made. Check them with the issuer. Ours are published here.
- Look for proof you can look up. For us that is the Malaysia Book of Records, for the highest 1,3/1,6 beta-glucan content in tiger milk mushroom in Malaysia. 1,3/1,6 beta-glucan is the most important active compound and quality benchmark in tiger milk mushroom, and a higher content signals greater potency and quality.
- Judge the brand's openness. Does it name the company, say where it makes the product, and answer your questions?
Only check 1 speaks to the species. Checks 2 to 5 tell you how careful and open the brand is.
Our red-flag checklist goes further on doses and sellers, and this guide explains beta-glucan.
Why buy tiger milk mushroom from a brand like TYGRON®?
Buy the mushroom you meant to buy, from a brand that shows its work. Five reasons:
- Malaysia Book of Records: highest 1,3/1,6 beta-glucan content in tiger milk mushroom in Malaysia.
- 1,000 mg: tiger milk mushroom sclerotium in every sachet.
- TMM365+: our slow-grown method takes more than 365 days per harvest, against 60 to 180 days for the industry standard.
- Herbosomal®: ORGANO uses Herbosomal® patented liposomal encapsulation technology (patent number MY-188945-A) on the extract portion.
- Formulated in Australia: designed by our Sydney-based team, then manufactured in Malaysia.
Lignosus rhinocerus sclerotium, 1,000 mg in each of 14 sachets, with an elderberry taste, for ages 2 and up.
See TYGRON® →Frequently asked questions
Is Pleurotus tuber-regium the same as tiger milk mushroom?
No. It is a different species in a different family, even though some papers use the name tiger milk mushroom for it. The tiger milk mushroom of Malaysian tradition is Lignosus rhinocerus.
Is Pleurotus tuber-regium harmful?
We found nothing saying so. Published papers describe it as an edible mushroom used as food in parts of Africa and Asia. The only issue is buying it by mistake when you wanted tiger milk mushroom.
Does beta-glucan on a label prove it is tiger milk mushroom?
No. Both mushrooms carry beta-glucan. It tells you about a compound, not the species, so check for the name Lignosus rhinocerus as well.
About TYGRON®
TYGRON® by ORGANO is a tiger milk mushroom functional food taken daily by families in Malaysia and Singapore. It holds the Malaysia Book of Records for the highest 1,3/1,6 beta-glucan content in tiger milk mushroom in Malaysia. 1,3/1,6 beta-glucan is the most important active compound and quality benchmark in tiger milk mushroom, and a higher content signals greater potency and quality. TYGRON® is formulated in Australia, designed by our Sydney-based team (Fungitech Australia Pty Ltd) to one of the world's most stringent functional-food standards, then manufactured in Malaysia under GMP, HACCP and Halal-certified conditions. Why TYGRON® is formulated in Australia.
About the author
Written and reviewed by Boey Tze Zhou, Founder and CEO of ORGANO. Boey holds a Bachelor of Agricultural Science (First Class Honours) from Universiti Putra Malaysia and completed Stanford University's Introduction to Food and Health and the University of Minnesota's Integrative Health and Medicine specialization (including Herbal Medicine) through Coursera. With 20 years of mushroom learning and cultivation, he developed the TMM365+ slow-grown method behind the Malaysia Book of Records beta-glucan certification held by Fungitech Sdn Bhd. He is an international speaker on functional mushrooms, invited to China International Mushroom Day 2025 and other mushroom-science events across the Asia-Pacific, and was named one of the Top Ten Outstanding Penang Youth (TOPY) in 2024. Read more about the founder
Sources
- Nallathamby N, et al. Frontiers in Pharmacology, 2018;8:998
- Pieau L, et al. Scientific Reports, 2026;16:10770
- Sun X, et al. Frontiers in Microbiology, 2022;12:815954
- Lin S, et al. Journal of Agricultural and Food Chemistry, 2014;62(39):9488-98
- Choong YK, et al. Spectrochimica Acta Part A, 2016;152:34-42
- Zhang L, et al. Biopolymers, 2001;59(6):457-64
- Wang C, et al. Foods, 2022;11(18):2881
- Wang C, et al. Foods, 2025;14(14):2498
- Tan ESS, Leo TK, Tan CK. Scientific Reports, 2021;11:11781
- Paneerselvam GS, et al. BMC Pulmonary Medicine, 2026
- Duke University Herbarium Fungal Collection, specimen 0348443, MyCoPortal
This article is general information, not medical advice. TYGRON® is a functional food and does not replace medical care. If you have a health condition, take medication, or are pregnant or breastfeeding, speak to your doctor first. TYGRON® and the ORGANO logo are registered trademarks of Fungitech Sdn Bhd, registered in Malaysia.
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