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The Lawyer's Wig Mushroom
Shaggy Mane — also called Lawyer's Wig for its distinctive shaggy white cap — is a remarkable medicinal mushroom with unique blood sugar-regulating properties and digestive health benefits. It is one of the few mushrooms with documented clinical evidence for glycaemic control.
Family
Agaricaceae
Origin
Europe, North America, Asia — grows in meadows, roadsides, and disturbed soils
Primary Benefit
Blood Sugar & Digestive Health
Coprinus comatus, the Shaggy Mane or Lawyer's Wig mushroom, is a common and distinctive fungus found across Europe and North America. It is easily recognised by its tall, white, shaggy cap that auto-digests into black ink as it matures — a process called deliquescence. Despite its ephemeral nature, it is prized as a culinary mushroom when young. Medicinally, it has attracted significant research interest for its blood sugar-regulating properties. A polysaccharide fraction from Coprinus comatus has demonstrated insulin-sensitising effects in diabetic animal models, and clinical interest is growing. It also contains unique compounds including coprinin and coprinol with antimicrobial properties.
Blood Sugar Regulation
Coprinus polysaccharides and vanadium content have demonstrated hypoglycaemic effects in multiple animal studies, improving insulin sensitivity and reducing fasting glucose.
Digestive & Gut Health
Rich prebiotic fibre content supports beneficial gut microbiota, intestinal motility, and digestive comfort.
Antimicrobial Properties
Coprinol and other compounds demonstrate antimicrobial activity against Staphylococcus aureus, E. coli, and Candida species.
Immune Support
Beta-glucan content activates innate immune cells, supporting overall immune defense.
Antioxidant Activity
Phenolic compounds and ergothioneine provide antioxidant protection against oxidative stress.
Get a free Shaggy Mane extract sample for your formulation trials. B2B clients only.
Extraction Method
Hot water extraction to maximize polysaccharide and vanadium yield.
Standardization
Standardized to ≥20% polysaccharides by UV spectrophotometry.
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