The short answer: Lion's mane is an edible mushroom long used in East Asian traditions. A handful of small human studies have looked at memory, mood and stress, with mixed results. It is a popular part of daily focus routines, but the research is still early.
What it is
Lion's mane (Hericium erinaceus) is an edible mushroom with long, shaggy spines. It has been used in East Asian medical systems to support general health, and today it is sold as capsules, powders and liquid extracts [1].
What studies show
Human research is limited [1]. Small studies have looked at:
- Memory and thinking in older adults and in people with mild cognitive impairment [1].
- Mood in women going through menopause, and in people who were overweight [1].
- Feelings of stress in younger adults [1].
Not every study found a benefit. One 4-week study found no effect on thinking skills [1]. Claims that lion's mane fights cancer come from lab and animal studies only; there are no human studies showing this [1].
Side effects
Reported side effects include stomach discomfort, nausea and skin rash [1]. Eating lion's mane as food is generally considered safe, but supplements are more concentrated than the mushroom you would cook with [1].
Who should ask first
- Talk with your doctor before taking lion's mane supplements, especially if you take prescription medicine. Herbal supplements can interact with some medicines [1].
- People with mushroom allergies.
- Anyone pregnant or breastfeeding.
- Memory or concentration changes that worry you deserve a conversation with your doctor.
Lion's Mane Mushroom: what it is and how to use it
Lion's Mane Mushroom
Organic lion's mane fruiting body and mycelium powder, standardized to 40% polysaccharides. Label use: two capsules a day, with or without food. 60 vegan capsules. Made in the USA.
See Lion's Mane Mushroom at NaturĂ¡is →*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Only Nature's Finest may earn from purchases made through this link.
Talk with your doctor first. This guide is general education, not personal medical advice. Check with your doctor or pharmacist before starting any supplement, especially if you are pregnant or nursing, take prescription medicine, or have a health condition.