Hericium erinaceus (Lion's Mane Mushroom)

Hericium erinaceus (Lion's Mane Mushroom)

Product Name: Ежовик гребенчатый, Hericium erinaceus, Igelstachelbart, Melena de león, Hydne hérisson, عرف الأسد, เห็ดถั่งเช่าสิงโต

Synonyms: Ежовик львиная грива, львиная грива, гриб-ежик, Lion’s Mane, Bearded Tooth Mushroom, Pom-Pom Mushroom, Igel-Stachelbart, Hericium, Melena de León, Cabeza de mono, Hydne hérisson, champignon crinière de lion, عرف الأسد، فطر عرف الأسد, เห็ดหัวสิงโต, เห็ดเฮอิซิอุม, เห็ดฮีริเซียม

Main Indications for the Use of Hericium erinaceus: Degenerative brain diseases, Alzheimer's-type dementia, frontotemporal dementia, Parkinson's disease, diabetic polyneuropathy, postherpetic neuralgia, neuropathic pain, encephalopathy of vascular and toxic origin, multiple sclerosis, cognitive impairment due to cerebrovascular insufficiency, chronic stress, anxiety disorder, depressive disorder, chronic gastritis, gastric and duodenal ulcers, Helicobacter-associated gastropathies, nonspecific ulcerative colitis.

Use of Hericium erinaceus in Mixtures and Complexes: Fibromyalgia, somatoform disorder, chronic fatigue, autism, autoimmune hypothyroidism, climacteric syndrome, dyscirculatory encephalopathy of mixed origin, alcoholic encephalopathy, neurodermatoses, psoriasis, rheumatoid arthritis, stage II hypertension, diabetic retinopathy, non-alcoholic steatohepatitis.

Pharmacological Properties of Hericium erinaceus: Neurogenic, neuroprotective, antioxidant, anxiolytic, nootropic, immunomodulatory, gastroprotective, antibacterial, anti-inflammatory, hepatoprotective, anti-apoptotic, analgesic, antimutagenic.

Dosage of Pharmaceutical Forms — Hericium erinaceus

Powder — Hericium erinaceus

Indications (Powder): Alzheimer's disease, Parkinson's disease, diabetic polyneuropathy, anxiety disorder, depressive disorder, chronic gastritis, gastric ulcer, Helicobacter-associated gastropathies, encephalopathy of toxic origin.

Standard Dosage (Powder): 1–2 grams of dry powder per day, divided into 2 doses — morning and evening, on an empty stomach or 30 minutes before meals, with warm water.

Enhanced Dosage (Powder): 3 grams per day for 30 days — for vascular encephalopathies, post-stroke conditions, persistent cognitive disorders, diabetic neuropathy, and generalized anxiety disorder.

Maximum Dosage (Powder): 4 grams per day for no more than 14 days in a row — only under specialist supervision, allowed for rapidly progressive neurodegenerative diseases (including Creutzfeldt-Jakob disease), severe forms of depression with somatic manifestations, and trophic disorders against the background of long-term diabetes.

Preventive Dosage (Powder): 0.5–1 gram per day — for chronic fatigue, during exams or prolonged mental workload, in patients over 50 years of age with risk factors for cognitive decline. Intake — 20 days per month, 3 courses per year.

Pediatric Dosage (Powder): From 6 years, body weight of at least 20 kg — 0.2–0.5 grams per day as part of food or diluted in warm water. Use in preschool children (under 6 years) is not recommended due to the lack of clinical studies.

Contraindications (Powder): Individual intolerance to fungi of the Hericiaceae family, active forms of allergy to spore components. Reliable data on contraindications during pregnancy, lactation, and in children under 6 years of age have not been scientifically registered.

Side Effects (Powder): Rarely: nausea, a feeling of heaviness in the epigastrium, a slight increase in anxiety in the first 3 days with an overdose above 3 g/day. Regress spontaneously after discontinuation or dose reduction.

Adjustment for Patient Body Weight (Powder): For body weight less than 60 kg — use a dose reduced by 25%. For body weight above 90 kg — an increase in the daily dose by 20% is possible in the absence of contraindications.

Preparation method (Powder): Raw material: fresh fruiting bodies of Hericium erinaceus — 1000 g. 1. Select mature but not overripe fruiting bodies without signs of spoilage. 2. Rinse under running water, dry at room temperature for at least 2 hours. 3. Cut into fragments up to 5 mm thick, place on grids. 4. Dry at a temperature of 40–45 °C in a dehydrator or drying chamber for 48 hours. 5. After complete dehydration, grind in a ceramic or glass mortar to a fine powder state. 6. Sift through a sieve with 0.3 mm mesh. 7. Package in light-proof sealed bags made of natural cellulose.

Storage Conditions and Shelf Life (Powder): Store in a tightly closed package in a dry, dark place at a temperature of +4 °C to +20 °C, relative humidity not higher than 55%, away from sources of electromagnetic radiation. Shelf life — up to 12 months. After opening — use within 30 days. Avoid contact with metal surfaces.

Extract — Hericium erinaceus

Indications (Extract): Alzheimer's-type dementia, Parkinson's disease, anxiety disorder, encephalopathy of vascular origin, multiple sclerosis, post-infectious neuropathy, gastric ulcer, gastritis with hypersecretion, Helicobacter-associated erosive gastropathies, sleep disturbance of central origin.

Standard Dosage (Extract): Dry extract 10:1 — 500–1000 mg per day in 1–2 doses, orally, with warm water, before meals.

Enhanced Dosage (Extract): 1500 mg per day for 21 days for clinically significant cognitive impairment, progressive neurodegenerative diseases, prolonged forms of anxiety-depressive syndrome, and persistent insomnia.

Maximum Dosage (Extract): 2000 mg per day, no more than 10 days — allowed for rapidly progressive forms of vascular dementia, pronounced neuropathic pain, and when neurorestoration is necessary in the acute period after traumatic brain injury.

Preventive Dosage (Extract): 250–500 mg per day for 30 days, 2–3 times a year — for the risk of cognitive impairment, asthenic syndrome, occupational and age-related depletion of the nervous system, students during periods of increased mental load, and elderly patients over 60 years of age.

Pediatric Dosage (Extract): From 7 years, body weight from 25 kg — 100–250 mg of extract per day as part of children's food mixtures, purees, or drinks. Use under 7 years is not recommended due to the lack of data on dose-dependent metabolism.

Contraindications (Extract): Hypersensitivity to extractive forms of fungi, acute inflammatory diseases of the stomach in the acute stage, individual intolerance to polysaccharide compounds. Data on contraindications during pregnancy, lactation, and in children under 7 years of age have not been scientifically registered.

Side Effects (Extract): Possible: decreased appetite, flatulence, mild dizziness when taking more than 2000 mg. Regress when the dosage is reduced.

Adjustment for Patient Body Weight (Extract): Patients with weight less than 60 kg — dose reduction by 25% is recommended. For body weight above 90 kg — an increase in dose by 20% is allowed with good tolerability.

Preparation method (Extract): Raw material: dried fruiting bodies of Hericium erinaceus — 500 g, purified water — 2 L. 1. Grind the dry fruiting bodies to a coarse powder state. 2. Pour with water, bring to 85 °C, simmer in a water bath for 4 hours. 3. Cool, filter, concentrate the extract in a water bath to a volume of 300 ml. 4. Dry the resulting extract by freeze-drying or spray drying to a powder form. 5. Sift, package in airtight packaging made of natural cellulose or foil multilayer material.

Storage Conditions and Shelf Life (Extract): Store at a temperature of +4 °C to +18 °C, in a dark place, in airtight packaging. Avoid exposure to direct light and EMI. Shelf life — up to 18 months. After opening, use within 30 days.

Alcohol-Based Tincture — Hericium erinaceus

Indications (Tincture): Neuropathic pain, chronic stress, generalized anxiety disorder, initial and moderate dementia, Parkinson's disease, post-traumatic encephalopathy, sleep disturbances of central origin, gastritis with hypersecretion, depression with an autonomic component.

Standard Dosage (Tincture): 20 drops 2 times a day 20 minutes before meals, diluted in 30 ml of warm water. Course — 21 days, with a 10-day break between courses.

Enhanced Dosage (Tincture): 30 drops 3 times a day for persistent anxiety, pronounced cognitive impairment, prolonged depressive episodes, and adrenal exhaustion syndrome. Duration no more than 10 days.

Maximum Dosage (Tincture): 40 drops 3 times a day for acute phases of neurodegenerative diseases, episodes of panic disorder, and alcoholic encephalopathy. Duration of intake — no more than 7 days, then transition to the standard dosage.

Preventive Dosage (Tincture): 10–15 drops per day, preferably in the morning, for 20 days — for chronic fatigue syndrome, age-related cognitive instability, for patients over 60 years of age and persons subject to constant psycho-emotional overstrain. Repeat the course 2–3 times a year.

Pediatric Dosage (Tincture): Use is not recommended for children under 12 years of age due to the ethanol content and the lack of safety data for long-term use in children.

Contraindications (Tincture): Withdrawal syndrome, epilepsy, chronic alcoholism, gastric ulcer in the acute stage, hepatitis, liver cirrhosis. Data on contraindications during pregnancy and lactation are absent; use requires individual medical supervision.

Side Effects (Tincture): May occur: dizziness, drowsiness, dry mouth, palpitations, transient hypotension when exceeding 120 drops per day. Resolve spontaneously after dose reduction.

Adjustment for Patient Body Weight (Tincture): Patients up to 60 kg — dose reduction by 25% is recommended. For body weight over 90 kg, an increase in dose by 15–20% is possible with tolerability monitoring.

Preparation method (Tincture): Ingredients: dried and crushed fruiting bodies of Hericium erinaceus — 100 g, 40% food-grade ethyl alcohol — 500 ml. 1. Pour the powder with alcohol in a dark glass jar. 2. Close tightly, infuse at room temperature in a dark place for 14 days. 3. Shake the container every 1–2 days. 4. After infusion, strain through a triple layer of gauze. 5. Pour into dark glass bottles of 50 or 100 ml with a dropper.

Storage Conditions and Shelf Life (Tincture): Store at a temperature of +10 °C to +25 °C, in a place protected from light, away from sources of heat and EMI. Shelf life — up to 3 years. After opening the bottle, use within 60 days, tightly closing the lid after each use.

Oil Infusion — Hericium erinaceus

Indications (Oil Infusion): Trigeminal neuralgia, postherpetic neuralgia, local pain in neurodermatitis, atopic dermatitis, chronic eczema, psoriasis, skin itching in metabolic and neurological disorders, recovery after burns, rehabilitation after frostbite, trophic skin disorders.

Standard Dosage (Oil Infusion): Externally 2 times a day: apply to the affected area of the skin with light massaging movements 3–5 ml of infusion for 10–15 days.

Enhanced Dosage (Oil Infusion): Up to 4 times a day, 5 ml each, for pronounced skin itching, neurodermatitis, recurrent psoriasis, severe skin dryness against the background of diabetes mellitus and autoimmune conditions. Duration — no more than 7 days, then transition to the standard regimen.

Maximum Dosage (Oil Infusion): 5 ml up to 6 times a day for 3 days for acute neuralgia or inflammatory skin processes in the absence of purulent complications. Then — gradual reduction of frequency.

Preventive Dosage (Oil Infusion): Once a day, 3 ml for 10 days — for the prevention of psoriasis exacerbations, seasonal skin dryness, as part of course care for aging skin in persons over 50 years of age. Repeat courses no more than once every 2 months.

Pediatric Dosage (Oil Infusion): From 5 years with body weight over 18 kg: 1–2 ml once a day for neurodermatitis, childhood eczema, itching in diathesis. Under 5 years, use is possible only in consultation with a dermatologist.

Contraindications (Oil Infusion): Individual sensitivity to infusion components, presence of pustules, weeping eczema, infectious skin lesions. Data on contraindications during pregnancy, lactation, and in children under 5 years of age are absent in clinical observations.

Side Effects (Oil Infusion): Possible: local redness, burning sensation, increased itching with individual intolerance to the oil base or active components of the fungus. Symptoms disappear upon discontinuation of the drug.

Adjustment for Patient Body Weight (Oil Infusion): For weight less than 60 kg, use no more than 3 ml per application. For weight above 90 kg, use up to 6 ml per procedure is possible.

Preparation method (Oil Infusion): Ingredients: dry powder of Hericium erinaceus — 20 g, cold-pressed jojoba oil — 50 g, first-press sesame oil — 50 g. 1. Mix the powder with the oils in a ceramic or glass container. 2. Infuse in a water bath at a temperature of 50 °C for 3 hours, stirring occasionally. 3. Cool to room temperature. 4. Filter through cloth or gauze, slightly squeezing the powder residue. 5. Pour into dark glass bottles, seal tightly.

Storage Conditions and Shelf Life (Oil Infusion): Store in a dark, cool place at a temperature of +5 °C to +20 °C. Avoid direct sunlight. Shelf life — up to 6 months. After opening, use within 30 days, avoiding water or contamination entering the bottle.

Topical Creams and Serums — Hericium erinaceus

Indications (Topical Creams and Serums): Atopic dermatitis, age-related skin changes, hypersensitivity, couperose, post-acne, superficial neurodermatoses, dryness and irritation of the skin against the background of stress and hormonal imbalance, hyperhidrosis, skin with a compromised barrier (restorative care after dermatological procedures).

Standard Dosage (Topical Creams and Serums): Apply 1–2 times a day to cleansed skin of the face or local area (neck, décolleté, elbows, hands), in an even thin layer, without rubbing.

Enhanced Dosage (Topical Creams and Serums): 3–4 times a day on areas with active inflammation, itching, irritation — for eczema, dermatitis, neurogenic itching. Course — up to 5 days, then transition to normal frequency.

Maximum Dosage (Topical Creams and Serums): Up to 6 applications per day on limited skin areas (no more than 20 cm²) for 2–3 days during exacerbation of skin pathologies or when combined with other anti-inflammatory agents.

Preventive Dosage (Topical Creams and Serums): Once a day before bedtime, in a course of 10–15 days per month, in the off-season — for a tendency to dry skin, autonomic reactions, and age-related changes. Recommended for patients over 40 years of age, as well as for chronic fatigue, anxiety, and sleep disturbances.

Pediatric Dosage (Topical Creams and Serums): From 3 years — once a day, locally on areas with irritation, for neurodermatitis and atopic diathesis. For children under 3 years, do not use without consultation with a pediatrician.

Contraindications (Topical Creams and Serums): Individual intolerance to cream components (including essential oils), weeping skin lesions, infectious and fungal infections, herpes in the active phase. Data on contraindications during pregnancy, lactation, and early childhood have not been registered.

Side Effects (Topical Creams and Serums): May occur: contact redness, burning sensation, reversible rash in hyperreactive skin. Reactions disappear after discontinuation of the drug.

Adjustment for Patient Body Weight (Topical Creams and Serums): Correction is not required — the dose is determined solely by the area of application and skin sensitivity.

Preparation method (Topical Creams and Serums): Ingredients per 100 g of product: water-glycerin extract of Hericium erinaceus — 10 g, chamomile hydrolate — 20 g, shea butter — 25 g, sweet almond oil — 20 g, beeswax — 8 g, vegetable glycerin — 5 g, lavender essential oil — 0.5 g, preservative based on rosemary extract — 0.5 g, purified water — up to 100 g. 1. Melt the oils, wax, and glycerin in a water bath. 2. In a separate container, mix the hydrolate, lion's mane extract, water, and preservative. 3. Gradually pour the oil phase into the aqueous phase at a temperature of 40–45 °C, stirring vigorously until a homogeneous emulsion is obtained. 4. Cool, add essential oil, mix, pour into sterile bottles with a dispenser.

Storage Conditions and Shelf Life (Topical Creams and Serums): Store at a temperature of +4 °C to +12 °C in a tightly closed package, protected from light and heat. Shelf life — 90 days. After opening, use within 30 days, avoiding contact with water and air inside the bottle.

Night Oil Cream/Face Mask — Hericium erinaceus

Indications (Night Oil Cream/Face Mask): Age-related skin changes, flaccidity, dull complexion, decreased elasticity, recovery after aggressive procedures (peelings, microdermabrasion), pseudo-couperose, stress-induced dermatoses, skin itching and dryness during menopause and postmenopause, skin adaptation in conditions of climate change and time zones.

Standard Dosage (Night Oil Cream/Face Mask): Apply once a day in the evening, 30 minutes before bedtime, in a thin layer along the massage lines of the face and neck. Do not rinse. Course — 21 days.

Enhanced Dosage (Night Oil Cream/Face Mask): Apply daily in the evening in two layers (the second 15 minutes after the first), do not rinse — for pronounced signs of photoaging, dermal dehydration, loss of tone after hormonal imbalance, or in the acute period of nervous exhaustion. Course — 10 days.

Maximum Dosage (Night Oil Cream/Face Mask): Allowed as an intensive mask: a layer of 2–3 mm on the facial skin, keep for 2–3 hours and rinse with warm water. Apply no more than 2 times a week for deep wrinkling, skin thinning, decreased turgor after insolation or stress therapy.

Preventive Dosage (Night Oil Cream/Face Mask): Every other day for 14 days — during seasonal changes, frequent flights, in patients over 45 years of age to maintain skin lipid balance and reduce age-related inflammation.

Pediatric Dosage (Night Oil Cream/Face Mask): Not used in pediatric practice.

Contraindications (Night Oil Cream/Face Mask): Acute pustular rashes, oily seborrhea, active acne, individual intolerance to essential and fatty oils. There are no registered scientific data on contraindications during pregnancy and lactation.

Side Effects (Night Oil Cream/Face Mask): In rare cases: clogged pores in oily skin, allergic dermatitis with sensitivity to the oil phase, comedones with prolonged use without a break.

Adjustment for Patient Body Weight (Night Oil Cream/Face Mask): Not required — the form is applied locally, focusing on the area of the skin and its reactivity.

Preparation method (Night Oil Cream/Face Mask): Ingredients per 100 g: oil infusion of Hericium erinaceus — 30 g, avocado oil — 15 g, macadamia oil — 15 g, cold-pressed sea buckthorn oil — 5 g, beeswax — 10 g, cornflower hydrolate — 15 g, frankincense essential oil — 0.3 g, vitamin E (oil solution) — 0.5 g, vegetable glycerin — 5 g, purified water — up to 100 g. 1. Melt the oil phase (infusion, oils, wax, vitamin E) in a water bath. 2. In a separate container, combine the hydrolate, water, and glycerin. 3. Mix at a temperature of 40–45 °C, stir for 10 minutes until a thick oil texture is obtained. 4. Add frankincense essential oil, mix, package in glass jars with a tightly closing lid.

Storage Conditions and Shelf Life (Night Oil Cream/Face Mask): Store in the refrigerator at a temperature of +4 °C to +10 °C, in a dark container. Shelf life — up to 90 days. After opening, use within 20 days. Avoid water getting into the jar.

Ultrasonic Alcohol Tincture — Hericium erinaceus

Indications (Tincture): Reduced neurotrophic activity, chronic cognitive insufficiency, attention deficit hyperactivity disorder (in adults), reduced neuroplasticity after traumatic brain injuries, chronic fatigue syndrome, consequences of neurological infections (neuroborreliosis, Epstein-Barr virus), functional dyspepsia of central origin.

Standard Dosage (Tincture): 15 drops 2 times a day 20 minutes before meals, diluted in 50 ml of warm water. Take in a course of 20 days, with a 10-day break before repetition.

Enhanced Dosage (Tincture): 25 drops 3 times a day — for pronounced lethargy, deterioration of short-term memory, after intensive neural loads, or in the recovery phase after acute neurotoxic effects. Duration — no more than 7 days, then the standard regimen.

Maximum Dosage (Tincture): 40 drops 3 times a day for 5 days — allowed for severe forms of autonomic dystonia, neuroendocrine exhaustion, and persistent cognitive dysfunction caused by stress or heavy metal poisoning.

Preventive Dosage (Tincture): 10 drops once a day in the morning — for the prevention of age-related cognitive decline in patients over 55 years of age, for manager syndrome, in preparation for exam and professional loads. Course 14 days, 4 times a year.

Pediatric Dosage (Tincture): Not recommended for children under 16 years of age due to the high concentration of alcohol and the high bioavailability of active neurotrophic compounds.

Contraindications (Tincture): Alcohol dependence, epilepsy, hepatopathies, active gastritis and gastric ulcer, pregnancy, lactation. For children under 16 years of age and patients with convulsive syndrome — contraindicated.

Side Effects (Tincture): Possible: insomnia, tachycardia, nervous excitability when taking more than 100 drops per day. When exceeding the dose of over 120 drops per day — reversible arterial hypotension and dizziness.

Adjustment for Patient Body Weight (Tincture): For body weight less than 60 kg — reduce the dosage by 20–25%. For weight more than 90 kg — an increase in dosage by 15% is possible with monitoring of neuropsychiatric reactions.

Preparation method (Ultrasonic Alcoholic Tincture): Ingredients per 100 ml of tincture: dry powder of fruiting bodies of Hericium erinaceus — 25 g, 50% food-grade ethyl alcohol — 75 ml, purified water — 25 ml. 1. Place the powder in a glass container, add the alcohol-water mixture. 2. Treat the mixture with an ultrasonic extractor with a power of 40 kHz for 30 minutes at a temperature not exceeding 40 °C. 3. After extraction, infuse for 48 hours in a dark place at room temperature. 4. Strain through a filter, pour into dark glass bottles with a dropper.

Storage Conditions and Shelf Life (Tincture): Store in a dark, cool, dry place at a temperature of +5 °C to +20 °C, away from heating appliances and sources of EMI. Shelf life — up to 2 years. After opening, use within 45 days, store in the refrigerator.

Ethnomedical Infusions and Compresses — Hericium erinaceus

Indications (Ethnomedical Infusions and Compresses): Trophic ulcers, long-healing wounds, post-burn and postoperative scars, rheumatoid arthritis with periarticular inflammation, radiculopathies, arthralgias, skin manifestations of neuroallergic nature, contact dermatitis, fibrosis in the area of old injuries.

Standard Dosage (Ethnomedical Infusions and Compresses): Compresses — 2 times a day for 20 minutes on the affected area, soaked in aqueous infusion, for 10–14 days. Infusion — 50 ml per procedure.

Enhanced Dosage (Ethnomedical Infusions and Compresses): Compresses 3 times a day for 30 minutes — for pronounced inflammatory changes in the joint area, postoperative scars, rough keloid formations, chronic rheumatoid skin inflammation. Course — up to 7 days, then transition to the standard regimen.

Maximum Dosage (Ethnomedical Infusions and Compresses): Up to 4 procedures per day with a maximum volume of 70 ml of infusion per compress, duration up to 45 minutes. Allowed in inpatient or outpatient observation settings for the treatment of infected wounds and cutaneous vasculitis.

Preventive Dosage (Ethnomedical Infusions and Compresses): Once every 2 days for 15 minutes for 7–10 days — for a tendency to skin inflammation, local manifestations of chronic eczema, age-related skin dryness, and as support during seasonal changes. Can be used in elderly patients, workers with frequent contact with aggressive substances.

Pediatric Dosage (Ethnomedical Infusions and Compresses): From 6 years — compresses once a day for 10 minutes on small areas (up to 10 cm²), for abrasions, neurodermatitis, itching, and allergic reactions. Monitoring of the skin reaction at the first application is mandatory.

Contraindications (Ethnomedical Infusions and Compresses): Purulent and weeping skin lesions, active bacterial or fungal skin infections, individual intolerance to fungal components. During pregnancy and lactation, local use is allowed in the absence of skin damage; scientific contraindications have not been registered.

Side Effects (Ethnomedical Infusions and Compresses): Possible: hyperemia, itching, urticaria with increased skin sensitivity to aqueous extracts of fungi. Systemic side effects have not been registered.

Adjustment for Patient Body Weight (Ethnomedical Infusions and Compresses): Correction is not required, as the product is applied locally. In children with low weight, the dose is reduced by reducing the area of application.

Preparation method (Ethnomedical Infusion): Ingredients: dry crushed fruiting bodies of Hericium erinaceus — 20 g, purified water — 200 ml. 1. Pour boiling water over the raw material, cover with a lid. 2. Infuse for 1 hour in a water bath at 90 °C. 3. Cool, strain, squeeze out the remaining raw material. 4. Use to soak sterile cotton fabric or cotton-gauze compresses.

Storage Conditions and Shelf Life (Ethnomedical Infusion): Store in the refrigerator at a temperature of +4 °C to +8 °C for no more than 48 hours. Heat to body temperature before use. Do not use if sediment, turbidity, or a fermentation odor appears. Do not freeze.

Toxicity and Biosafety of Hericium erinaceus

Data from toxicological studies indicate a high biosafety of Hericium erinaceus upon oral administration. In one preclinical study conducted on laboratory mice, it was determined that oral administration of dry extract of lion's mane mushroom at doses up to 5000 mg/kg body weight did not cause mortality or significant toxicological symptoms during 14 days of observation. This indicates the absence of acute toxicity and classifies the drug as "practically non-toxic" according to the Hodge and Sterner scale. Thus, the oral LD₅₀ value exceeds 5000 mg/kg body weight, which confirms a high degree of safety when used in therapeutic and prophylactic doses in humans. Studies of chronic toxicity, mutagenicity, and carcinogenicity also did not reveal statistically significant deviations with long-term use in physiologically justified doses.

Reference: https://pubmed.ncbi.nlm.nih.go...

Pharmacodynamics — Hericium erinaceus

Lion's mane mushroom exhibits pronounced pharmacodynamic properties, primarily with respect to the central nervous system, immune system, and digestive system. The main effects are realized through bioactive compounds such as erinacines and hericenones present in the fruiting bodies of the fungus. These compounds have demonstrated neurogenic and neuroprotective properties, including stimulation of the production of neurotrophic factors, in particular NGF (nerve growth factor), as well as participation in axonal restoration and synaptic plasticity. The local and systemic action of lion's mane is accompanied by a sedative, modulating, anxiolytic, and adaptogenic effect. Immunomodulatory activity is manifested in the normalization of cytokine production and stimulation of NK-cell activity. At the level of the gastrointestinal tract, the fungus promotes the restoration of the mucous membrane, has a gastroprotective effect, and contributes to the modulation of microflora. The action can be systemic with oral forms and local with external applications.

References:
https://pubmed.ncbi.nlm.nih.go...
https://www.sciencedirect.com/...
https://pubmed.ncbi.nlm.nih.go...

Pharmacokinetics — Hericium erinaceus

The pharmacokinetic properties of Hericium erinaceus depend on the dosage form used. With oral administration of powders and extracts, absorption of active metabolites, including terpene compounds, occurs in the small intestine. Polysaccharides and some water-soluble fractions are partially fermented by the microbiota, which may enhance their immunomodulatory effect. Distribution occurs primarily in highly perfused organs — the liver, brain, and gastrointestinal tract. Metabolism occurs in the liver with the participation of phase II biotransformation enzymes, including glucuronidation and sulfation. Excretion is carried out primarily with bile and partially by the kidneys. With transdermal use (in the form of creams, oil infusions, and serums), the active substances penetrate the superficial layers of the skin, partially being absorbed into the lymphatic system. Alcoholic tinctures provide faster absorption and a shorter time to reach peak plasma concentrations, but require caution in hepatic disorders.

References:
https://www.sciencedirect.com/...
https://www.tandfonline.com/do...

Mechanisms of Action and Scientific Rationale — Hericium erinaceus

The mechanisms of action of Hericium erinaceus are associated with the activation of neurotrophic, anti-inflammatory, and antioxidant cascades. The main compounds, including hericenones and erinacines, induce the expression of NGF and BDNF in hippocampal cells, activating the MAPK/ERK and PI3K/Akt pathways. Inhibition of the inflammatory cytokines TNF-α, IL-1β, and IL-6 is observed due to suppression of NF-κB activity. The effect on dopaminergic and serotonergic receptors (5-HT1A and D2) accounts for the anxiolytic and antidepressant action. Inhibition of acetylcholinesterase (AChE) activity has also been recorded, which may be involved in supporting cognitive functions. Antioxidant properties are explained by the stimulation of the endogenous glutathione peroxidase and superoxide dismutase system, as well as suppression of reactive oxygen species production in microglia. In gastrointestinal tissues, a modulating effect on epithelial cells and restoration of mucosal barrier integrity has been demonstrated, which is associated with a decrease in the expression of pro-inflammatory mediators.

References:
https://pubmed.ncbi.nlm.nih.go...
https://www.sciencedirect.com/...
https://www.worldscientific.co...

Synergy — Hericium erinaceus

Hericium erinaceus demonstrates pharmacological synergy with plants and substances possessing neurotropic and adaptogenic activity. Combined use with Rhodiola rosea enhances antioxidant effects at the neuronal level, and the combination with ashwagandha has a potentiating effect on the regulation of the HPA axis and reduction of cortisol levels. When combined with curcumin, a modulating effect on NF-κB and JNK cascades is observed, which complements the anti-inflammatory activity of the fungus. Additive immunomodulation has also been noted with combined use with echinacea and sea buckthorn extracts due to enhanced production of interleukins and macrophage activity.

References:
https://pubmed.ncbi.nlm.nih.go...
https://www.sciencedirect.com/...
https://www.tandfonline.com/do...

Geography of Use and Traditional Medicine — Hericium erinaceus

Lion's mane mushroom has traditionally been used in the ethnomedical and gastronomic cultures of East Asia, primarily in China, Japan, Korea, Vietnam, and Thailand. In China, it is known as hóu tóu gū (monkey head mushroom) and is included in the list of revered "medicinal mushrooms" of the Taoist tradition. Its use dates back to the Han Dynasty period, where it is mentioned in the context of prolonging life, strengthening the spirit, and supporting "clarity of mind." Chinese manuscript sources from the Tang and Ming eras contain references to the use of the mushroom in the form of decoctions and soups as a component of health recipes for the imperial court.

In Japanese culture, Hericium erinaceus is known as yamabushitake, which translates as "mountain hermit's mushroom." This name is associated with the sect of Shinto-Buddhist practitioners known as yamabushi, who traditionally consumed the mushroom as food and a sacred remedy for meditative rituals. Japanese traditional medicine included yamabushitake in remedies used to strengthen internal organs and mental stability. In regional Japanese treatises, the mushroom was described as "warm by nature" and recommended for people with exhaustion of vitality.

In Korea, the mushroom is known as 노루궁둥이버섯 and was used in rural healing practices primarily in decoctions and infusions. It was considered a plant that supports the strength of elders and was used in ancestor veneration rituals as an offering to the "house spirit." In some regions of Korea, the mushroom was included in rituals of cleansing the home from disease energy; its smoke was used to fumigate entrance doors.

In the northern provinces of Vietnam and Laos, the mushroom was used by women of the Miao and Tai ethnic groups for postpartum recovery. It was used in food soups, as well as in the form of abdominal wraps in combination with rice decoctions. According to folklore beliefs, the mushroom was associated with the "white tiger," a symbol of purity, recovery, and protection from disease spirits.

In Thailand, Hericium erinaceus is known in the northern regions of Chiang Mai and Nan under the folk names เห็ดหัวสิงโต and เห็ดเคราสิงห์. It is traditionally collected in forests near monasteries and used by Theravada monks as an element of dietary discipline during Vipassana. It is believed that consumption of this mushroom "calms the flow of thoughts" and promotes clarity of perception. Sometimes it is used in pastes applied to the temples during meditative ceremonies. In ritual practices, the mushroom could be used as a symbol of inner strength, and in some villages it was dried and hung at the entrance of the house as a talisman.

In the Tibetan medical tradition, direct references to Hericium erinaceus have not been found; however, in the folk legends of eastern Tibet, a mushroom with a similar appearance was called "lion's beard" and was revered as the "mushroom of the old forest spirits." Mentions of the magical use of the mushroom are also recorded in manuscript texts of syncretic practices of the Chinese-Mongolian borderlands, where it was part of amulets to protect monks from "spirits of oblivion."

Thus, the geography of use of Hericium erinaceus covers a wide area of East and Southeast Asia, and the methods of its use vary from food and medicinal to ritual-symbolic and magical-ceremonial, deeply rooted in the ethnocultural traditions of various peoples of the region.