Common Names

Botanical Name
Aesculus hippocastanum

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What is it?

In herbal medicine it is sometimes the bark but primarily the ‘fruits’ (perhaps more accurately described as the nuts) that are used from the Horsechestnut tree. Horsechestnuts can grow to nearly 40 meters tall and they are often planted in parks and botanical gardens because of their beauty, abundant foliage and flowers.




How has it been used?

Horsechestnut has a long history of use for improving circulation and the strength of the blood vessels. This has seen it being taken internally for conditions such as excessive uterine bleeding, varicose veins and bleeding haemorrhoids.

A tea made from Horsechestnut has also been used externally to treat similar problems such as chronic leg ulcers or open wounds where the blood vessels on the surface are not mending themselves well.

King's Dispensatory writes 'Horse-chestnut's power over the circulation is pronounced, particularly its control over the portal vessels. Gangrenous and ill-conditioned ulcers have-been benefited by a strong infusion of the bark. The whitish, central part of the nuts, when in powder, has been recommended as a sternutatory in some cases of ophthalmia and headache. Specific medication has taught us that it is a remedy, not for active conditions, but for congestion and engorgement. It is indicated in general by capillary engorgement—a condition of stasis—with vascular fullness and sense of soreness, throbbing, and malaise all over the body. An uneasy, full, aching pain in the hepatic region is also an indication. Rectal disorders, such as rectal irritation and hemorrhoids, with marked congestion and a sense of constriction, as if closing spasmodically upon some foreign body, with itching, heat, pain, aching, or simple uneasiness, are fields in which Horse-chestnut exerts a specific influence'

Rudolph Weiss M.D writes 'today it is a proven fact that standardised Horsechestnut extract is an effective preparation for the treatment of chronic venous insufficiency'.


Science on Horsechestnut

~ Horsechestnut has been the subject of some intriguing and compelling studies that show it to be a potent and active medicine with much to offer in its sphere of influence:

~ A review of no less than 14 randomised, double-blind, controlled studies showed that Horsechestnut categorically helps the symptoms of chronic venous insufficiency. A dosage of 600mg a day of Horsechestnut extract was used in the majority of the trials. Adverse effects were mild and infrequent (Pittler MH, Ernst E: Altern Ther Health Med 7(3):108, 2001)

~ A case observation study involving more than 800 German GPs and over 5000 patients with chronic venous insufficiency showed that Horsechestnut extract improved symptoms markedly. Horsechestnut was considered an economical, practice-relevant therapeutic tool that had better patient compliance than compression-stocking therapies (Leskow P. Therapiewoche 1996; 46:874-877)

~ A significant reduction in leg volume was recorded after Horsechestnut treatment in pregnant women with varicose veins and Horsechestnut extract increased vascular blood flow in healthy volunteers in a double-blind, placebo-controlled study (Erler M. Med Welt 1991; 42:593-596)

~ There are over 100 published studies and articles on Horsechestnut, a PDF showing their titles, authors and when and where they were published can be found here

Safety of Horsechestnut

Horsechestnut is a potent herb that must be used with care. Symptoms of using too much of it include nausea, dizziness, headache or skin-itching -- do not straight away take these as a sign to not use it, you may simply need to less. There are no reports in the literature of it doing harm to a pregnant woman or her baby, or being a problem for breastfeeding mothers but, because of how it can be hard to tolerate, I would not personally use this herb for a woman in these times and nor would I give it to a child unless there was some compelling reason to and nothing else would suffice or work as well.

General comment on herbal safety

All medicinal herbs that have the power to do good have the potential to do harm. The old maxim 'the poison is in the dose' precisely describes how too much of anything can be bad for us. The ancient rule to 'firstly, do no harm is, to this day, held as the core directive by all practitioners of traditional herbal medicine. Not only are we careful to do our best to use the right herbs, but equally we take care to not give too much of them or use them overlong.

For some years now, against this proven and safe way of herbalism, there has been a rising tide of excessive caution and scare-mongering in many parts of the world. The same authorities that, not so long ago, decried herbal medicines as ineffectual, have now taken up a different adversarial position; that they are dangerous substances that should only be prescribed by Doctors, who of course have zero training in them.

Lists of '10 popular herbs and why you should avoid them' include things like Garlic and Ginger that might 'thin your blood'. Such cautions are absurd to the point of the ridiculous, but fear is a universal driver that has long been proven to be effective at manipulating people.

Unfortunately, the same unnecessary fear and worry has crept into many natural health websites and popular publications on herbs. Herbs that we have safely used for thousands of years, that have no reports of adverse reactions in the medical literature despite widespread use by millions of people, are suddenly described as contraindicated because of something that should have been seen as completely unimportant, or at the utmost a merely theoretical concern, such as a laboratory study on one of the herb's constituents to use an all too common example.

I wonder sometimes if the writers of such articles feel that the herb will be more deserving of respect if it is thought to be a little bit dangerous, in other words more like a drug than something that has simply come out of the earth and been used by ordinary people for generations beyond count.

There is just so much misinformation about herbal medicine on the internet now. Ludicrous claims and cautions abound in equal measure; it seems like one group are trying to make money out of the public whilst the other are busily trying to scare them off.

I have to believe that the kind of reader who takes the time to read pages on herbs that are as extensive as this one is much less likely to be swayed by marketers or misinformers. I hope that you will keep your wits about you if you get conflicting opinions from people who have never really got to know these herbs, who have never worked with them, or learned how to use them safely and effectively.

I want to remind you that the reason that herbs can never be patented and owned by any individual or corporation is because they are, and always will be, the People's medicine. They belong to all of us and it is my great hope in sharing this work that you will learn how to use them wisely for yourself, and the people you care for. Be safe, but do not be afraid.


Personal experiences

I have had a great many good results in my own practice with the use of Horsechestnut for the treatment of varicose veins and other conditions of poor blood flow through the veins and so for some time now I have felt confident to suggest it as a treatment which will have a high likelihood of success.

Varicose veins are a tough problem to treat and most people are told there is no solution other than a surgical one but based on my own experience with it I can say that a wider appreciation and use of Horsechestnut would see a great deal of surgical ‘stripping’ of varicose veins to be able to be avoided.

Horsechestnut clearly has ingredients within it that make it remarkably effective at strengthening weakened blood vessels. These are more than likely to be the flavonoids of the Horsechestnut.

I have also find Horsechestnut to be of value in some cases of another tricky condition; acne rosacea. Here it seems that, if taken for long enough, it seems to reduce the propensity of the blood vessels of the face to hemorrhage and form broken capillaries over the nose, cheeks and forehead.

Horsechestnut is a very strong herb and you have to be careful not to overdo it or you can get some symptoms of nausea. In any case I don't think that especially high doses are needed for a good result but rather it needs to be taken consistently and patiently for at least a month before deciding if it might be doing some real good.

There are many commercial products of this herb available and if someone is confident of the authenticity of their source of supply then any preparation that provides around 600mgs a day of high quality Horsechestnut extract should be sufficient to see it working.

Horsechestnut combines perfectly with Limeflowers and Yarrow to strengthen blood vessels and with Cayenne to improve circulation.


Constitutional note

Much of the information here about the traditional uses of Horsechestnut is consistent with the model of thinking whereby one may treat problem A with plant B. There is value in this approach, especially in how it helps us pass on useful knowledge to one another, but it falls short in one vital area; and that is that people are not all cut from the same cloth! Something that works brilliantly for one person may do less for another -- why is this?

Part of the reason is that people vary in their constitutions as to whether they are either hotter or cooler and, at the same time, either dryer or damper. This useful and rather fascinating subject is introduced further here

Another big part of using the right herb when it is most needed comes from understanding the need to treat what is going wrong for the person that had led up to their getting a health condition. In this light, Horsechestnut can particularly offer its benefits when a nourishing action is needed in the 'cycle of healing', more about this here

Please understand that I cannot advise you, including on products or dosage, without seeing you in person in my clinic but for ideas on how you might find a good herbalist in your area read here

This living 'book' is my labour of love so, wherever you are, I wish you peace & good health!




© 2011 R.J.Whelan Ltd