Lion's Mane Mushroom — USDA FoodData Central nutrition facts (per 100g)

| Nutrient | Amount per 100g |
| --- | --- |
| Ash | 1.08 g |
| Beta-glucan | 2.75 g |
| Beta-sitostanol | 0 mg |
| Beta-sitosterol | 0 mg |
| Biotin | 16.9 µg |
| Calcium, Ca | 0 mg |
| Campesterol | 0 mg |
| Carbohydrate, by difference | 7.59 g |
| Copper, Cu | 0.177 mg |
| Delta-5-avenasterol | 0 mg |
| Delta-7-Stigmastenol | 0 mg |
| Energy | 42.7 kcal |
| Energy (Atwater General Factors) | 42.7 kcal |
| Energy (Atwater Specific Factors) | 35.1 kcal |
| Ergosta-5,7-dienol | 4.41 mg |
| Ergosta-7-enol | 2.52 mg |
| Ergosta-7,22-dienol | 0.819 mg |
| Ergosterol | 68.1 mg |
| Ergothioneine | 17.2 mg |
| Fiber, total dietary | 4.38 g |
| Folate, total | 29.6 µg |
| Glutathione | 16.3 mg |
| Histidine | 0.449 g |
| Iron, Fe | 0.688 mg |
| Isoleucine | 0.748 g |
| Leucine | 1.33 g |
| Lysine | 1.2 g |
| Magnesium, Mg | 11.7 mg |
| Manganese, Mn | 0.18 mg |
| Methionine | 0.267 g |
| Niacin | 1.63 mg |
| Nitrogen | 0.4 g |
| Phenylalanine | 0.703 g |
| Phosphorus, P | 94 mg |
| Potassium, K | 443 mg |
| Protein | 2.5 g |
| Riboflavin | 0.363 mg |
| Selenium, Se | 1.77 µg |
| Sodium, Na | 0.336 mg |
| Stigmasterol | 0 mg |
| Thiamin | 0.146 mg |
| Threonine | 0.899 g |
| Total lipid (fat) | 0.256 g |
| Tryptophan | 0.326 g |
| Valine | 1.64 g |
| Vitamin B-6 | 0.066 mg |
| Vitamin D (D2 + D3) | 0.021 µg |
| Vitamin D (D2 + D3), International Units | 0.848 IU |
| Vitamin D2 (ergocalciferol) | 0.021 µg |
| Vitamin D4 | 0 µg |
| Water | 88.6 g |
| Zinc, Zn | 0.745 mg |

Values are raw as published by USDA at the 100g basis — not rounded per 21 CFR 101.9(c) label-declaration rules, and 100g is USDA's publication basis, not a serving size any US nutrition label declares against.

Source: USDA FoodData Central, FDC ID 1999626, usda_ff (released 2026-04-30). https://bettermenu.live/tools/ingredient-search/us/foods/lion-s-mane-mushroom-1999626/