It is a tree native to the Balkan Peninsula but found throughout the northern hemisphere. Horse chestnut is a tree native to the Balkan Peninsula but found throughout the northern hemisphere. Horse chestnut seeds, leaves, bark, and flowers have been used for centuries to help relieve an array of health problems. Horse chestnut seed has a place in European phytotherapy and is used to address vascular issues.
Side Effects and Cautions. 1  Do not use raw or unprocessed horse chestnut seeds, leaves, bark, or flowers. 2  They contain esculin, which is poisonous. 3  When properly processed, horse chestnut seed extract contains little or no esculin and is considered generally safe when used for short periods of time. Horse chestnut trees are native to the Balkan Peninsula (for example, Greece and Bulgaria), but grow throughout the Northern Hemisphere. Although horse chestnut is sometimes called buckeye, it should not be confused with the Ohio or California buckeye trees, which are related but not the same species. 1 When properly processed, horse chestnut seed extract contains little or no esculin and is considered generally safe when used for short periods of time. 2  However, the extract can cause some side effects, including itching, nausea, or gastrointestinal upset. Horse chestnut trees are native to the Balkan Peninsula (for example, Greece and Bulgaria), but grow throughout the Northern Hemisphere. Although horse chestnut is sometimes called buckeye, it should not be confused with the Ohio or California buckeye trees, which are related but not the same species. This information applies to aesculus hippocastanum. Horse chestnut seed and leaf are used for treating varicose veins, hemorrhoids, and swollen veins (phlebitis). Horse chestnut seed is used for diarrhea, fever, and enlarged prostate. Horse chestnut seeds can be processed so that the active chemicals are separated out and concentrated. The resulting “extract” is used for treating a blood circulation problem called chronic venous insufficiency. Look for products which have had the toxic substance esculin removed. Horse chestnut products can sometimes cause side effects such as dizziness, headache, stomach upset, and itching. Pollen from the horse chestnut flower can cause allergic reactions. Chestnut is a hair coat color of horses consisting of a reddish-to-brown coat with a mane and tail the same or lighter in color than the coat. Genetically and visually, chestnut is characterized by the absolute absence of true black hairs. 1 A basic chestnut or red horse has a solid copper-reddish coat, with a mane and tail that is close to the same shade as the body coat. 2  Sorrel is a term used by American stock horse registries to describe red horses with manes and tails the same shade or lighter than the body coat color. 1 Do not use raw or unprocessed horse chestnut seeds, leaves, bark, or flowers. 2  They contain esculin, which is poisonous. 3  When properly processed, horse chestnut seed extract contains little or no esculin and is considered generally safe when used for short periods of time. Horse chestnut trees are native to the Balkan Peninsula (for example, Greece and Bulgaria), but grow throughout the Northern Hemisphere. Although horse chestnut is sometimes called buckeye, it should not be confused with the Ohio or California buckeye trees, which are related but not the same species. Horse chestnut is a tree native to the Balkan Peninsula but found throughout the northern hemisphere. Horse chestnut seeds, leaves, bark, and flowers have been used for centuries to help relieve an array of health problems. Horse chestnut seed has a place in European phytotherapy and is used to address vascular issues. A tea made from horse chestnut is a staple of Turkish folk medicine and used to relieve an upset stomach and pass kidney stones; they also use the seeds to alleviate hemorrhoid symptoms. Horse chestnut seed extract is different than whole horse chestnut seeds. Do not take the raw seeds, bark, flowers, or leaves of horse chestnut by mouth because these products are poisonous. Use only standardized horse chestnut seed extract products that have had the toxin removed. Uses. Horse chestnut has been used for swelling and pain due to varicose veins and poor circulation in the legs. Some herbal/ dietary supplement products have been found to contain possibly harmful impurities/additives. Check with your pharmacist for more details about the brand you use. Horse chestnut is a plant. The seed, bark, flower, and leaves of the plant are used to make medicine. Be careful not to confuse aesculus hippocastanum (Horse chestnut) with aesculus californica (California buckeye) or aesculus glabra (Ohio buckeye). All three may be called horse chestnut.  Horse chestnut is a plant. The seed, bark, flower, and leaves of the plant are used to make medicine. Be careful not to confuse aesculus hippocastanum (Horse chestnut) with aesculus californica (California buckeye) or aesculus glabra (Ohio buckeye). All three may be called horse chestnut. 
https://nccih.nih.gov/health/horsechestnut https://nccih.nih.gov/health/horsechestnut http://www.webmd.com/vitamins-supplements/ingredientmono-1055-HORSE%20CHESTNUT.aspx?activeIngredientId=1055&activeIngredientName=HORSE%20CHESTNUT https://en.wikipedia.org/wiki/Chestnut_(coat) https://nccih.nih.gov/health/horsechestnut http://www.globalhealingcenter.com/natural-health/health-benefits-of-horse-chestnut/ http://www.webmd.com/drugs/2/drug-17750/horse-chestnut-oral/details http://www.emedicinehealth.com/horse_chestnut/vitamins-supplements.htm http://www.rxlist.com/horse_chestnut/supplements.htm
what is horse chestnut