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Hericium erinaceus is a mushroom that grows on trunks of hardwood tress.

Hericium erinaceus is taken by mouth for a decline in memory and thinking skills in older people that is more than what is normal for their age, Alzheimer disease and dementia, depression, anxiety, Parkinson disease, multiple sclerosis, and to improve overall mental function and memory. It is also taken by mouth for swelling (inflammation) of the stomach (gastritis), stomach ulcers, H. pylori infection, diabetes, cancer, high cholesterol, and weight loss.

Hericium erinaceus is applied to the skin for wound healing.

As food, the fruiting body of Hericium erinaceus is consumed in Chinese and Japanese dishes.

Natural Medicines rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.

Hericium erinaceus may improve the development and function of nerves. It might also protect nerves from becoming damaged. This might help prevent conditions such as anxiety, memory loss, Alzheimer disease, or Parkinson disease. Hericium erinaceus also seems to help protect the mucous membrane layer of the stomach. This might help improve symptoms related to long-term swelling of the stomach lining (gastritis) or stomach ulcers.

When taken by mouth: Hericium erinaceus is POSSIBLY SAFE when taken by mouth as a medicine for up to 16 weeks. Side effects are mild and may include stomach discomfort. There isn't enough reliable information to know if Hericium erinaceus is safe when used for longer than 16 weeks.

When applied to the skin: There isn't enough reliable information to know if Hericium erinaceus is safe when applied to the skin or what the side effects might be.

Special Precautions & Warnings:

Pregnancy and breast-feeding: There isn't enough reliable information to know if Hericium erinaceus is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.

Bleeding conditions: Hericium erinaceus might slow blood clotting. This might increase the chances of bruising and bleeding in people with bleeding conditions. However, there are no reports of this occurring in humans.

Diabetes: Hericium erinaceus might lower blood sugar. Watch for signs of low blood sugar (hypoglycemia) and monitor your blood sugar carefully if you have diabetes and use Hericium erinaceus.

Surgery: Hericium erinaceus might slow blood clotting. This might cause extra bleeding during and after surgery. Stop using Hericium erinaceus at least 2 weeks before a scheduled surgery.

There are no known interactions with medications. Before taking this product, talk with your health professional if you take any medications.

Herbs and supplements that might lower blood sugar: Hericium erinaceus might lower blood sugar. Using it along with other herbs and supplements that have the same effect might cause blood sugar to drop too low in some people. Some of these herbs and supplements include alpha-lipoic acid, bitter melon, chromium, devil's claw, fenugreek, garlic, guar gum, horse chestnut, Panax ginseng, psyllium, Siberian ginseng, and others.
Herbs and supplements that might slow blood clotting: Hericium erinaceus might slow blood clotting. Using it with other herbs and supplements that slow blood clotting might increase the chance of bruising and bleeding in some people. These herbs and supplements include angelica, clove, danshen, fenugreek, feverfew, garlic, ginger, ginkgo, Panax ginseng, poplar, red clover, turmeric, and others.

There are no known interactions with foods.

The appropriate dose of Hericium erinaceus depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for Hericium erinaceus. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

Bearded Tooth, Crinière de Lion, Hedgehog Fungus, Hydne Hérisson, Lion's Mane, Monkey Head, Monkey's Head, Pom Pom, Pompom, Satyr's Beard, Tree Hedgehog, Yamabushitake.

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