Interactions on record — worth a quick check against your medications. Check your meds →
Dietary supplement

Horse Chestnut Extract Ingredients & Drug Interactions

by Wonder Laboratories

Horse Chestnut Extract label
See full label image
Capsule Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Horse Chestnut Extract against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Horse Chestnut Extract is a dietary supplement by Wonder Laboratories with 4 active ingredients. Its ingredients are commonly taken for eye and vision health, antioxidant support, diarrhea and digestive upset.Based on those ingredients, 746 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Gotu Kola Aerial Part Extract, Bilberry extract, Horse Chestnut Seed Extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Horse Chestnut Extract by Wonder Laboratories

Ask about any prescription or over-the-counter medication and we check it for interactions with Horse Chestnut Extract by Wonder Laboratories — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Horse Chestnut Extract by Wonder Laboratories

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 11, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 4 of its 4 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains four ingredients. The active components are bilberry extract, horse chestnut seed extract, gotu kola aerial part extract, and collinsonia.

Bilberry is included for its antioxidant compounds; horse chestnut seed extract is used to support circulation and vein health; and gotu kola is traditionally used to support connective tissue and skin. Collinsonia is an herbal ingredient, though we hold no specific data on its role here.

The capsule also contains inactive ingredients — gelatin, cellulose, magnesium stearate, and silica — which serve as binders and fillers.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: supports healthy circulation in the legs.
  • We looked for evidence on: Chronic venous insufficiency (CVI), Varicose veins, Venous insufficiency, Hemorrhoids, Postoperative swelling, leg swelling — and 2 related terms.
  • The strongest evidence on file: Gotu Kola is rated "Possibly Effective" for Venous insufficiency (Natural Medicines).
  • Also on file: Horse Chestnut is rated "Possibly Effective" for Chronic venous insufficiency (CVI).
  • Also on file: Bilberry is rated "Insufficient Reliable Evidence To Rate" for Chronic venous insufficiency (CVI), Hemorrhoids, Varicose veins.

Evidence for this product's active ingredients is mixed. Horse chestnut seed extract is possibly effective for chronic venous insufficiency (CVI), a condition involving poor circulation in the legs.

Gotu kola is also possibly effective for venous insufficiency and possibly effective for burns. Bilberry extract, however, shows insufficient reliable evidence for most of its traditional uses — including age-related cognitive decline, macular degeneration, and high cholesterol — and is rated possibly ineffective for night vision.

For hemorrhoids, IBS, and kidney stones, the evidence on these ingredients is insufficient to establish whether they work.

The evidence, ingredient by ingredient Bilberry Stone Root Horse Chestnut Gotu Kola

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 4 of the 4 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 4 of 4.
  • General safety write-ups exist for 4 of 4.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Bilberry fruit extract is generally well tolerated orally, though some trial participants reported dark-colored stools, gas, and gastrointestinal discomfort — and in one study, 50% of patients taking bilberry extract experienced dark green stools. Horse chestnut seed extract (properly processed to remove toxic compounds) is also well tolerated in the short term, with reports of dizziness, stomach upset, headache, and itching; one rare case described a serious heart condition possibly linked to horse chestnut's anticlotting effects.

Gotu kola is generally well tolerated short-term, with gastric irritation and nausea reported most often, though rare cases of liver damage have been documented. For pregnancy: horse chestnut is rated unsafe — the safety data advises against it during pregnancy and breastfeeding.

Bilberry is rated likely safe in pregnancy and lactation. Gotu kola lacks sufficient safety data for pregnancy and breastfeeding, so it is best avoided unless you discuss it with your doctor or pharmacist.

Safety information for collinsonia during pregnancy and breastfeeding is not on file.

Side effects, ingredient by ingredient Bilberry Stone Root Horse Chestnut Gotu Kola

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 3 of the 4 matched ingredients can interact with medications — Bilberry, Gotu Kola, Horse Chestnut.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications.
  • For scale: 747 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, double-check with a pharmacist if you're on blood thinners or antiplatelet drugs like warfarin, aspirin, or clopidogrel (Plavix) — bilberry and horse chestnut may increase bleeding risk. If you take diabetes medications, bilberry may lower blood sugar further.

Sedating medications (like sleep aids or anti-anxiety drugs) may have stronger effects when combined with gotu kola. Finally, if you're on drugs known to stress the liver, gotu kola's potential liver effects warrant review.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

This product combines ingredients used traditionally for circulation and vein health, with horse chestnut showing modest evidence for chronic venous insufficiency. However, if you take blood thinners, diabetes medications, sedating drugs, or medications processed by your liver, you'll want to check your exact prescriptions with a pharmacist before starting.

Pregnancy and breastfeeding require careful consideration — horse chestnut is unsafe, and gotu kola's safety is unknown. Talk with your pharmacist about whether this product fits your health picture.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 4 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jul 25, 2024.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Horse Chestnut Extract, straight from the product label.

Brand Wonder Laboratories
Barcode (UPC) 099528460250
Net contents 250 Capsule(s)
Market status On market
Date entered into DSLD Jul 25, 2024
DSLD ID 315201
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Horse Chestnut Extract by Wonder Laboratories, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
250
UPC/BARCODE
099528460250
IngredientAmount% DV
Bilberry extract25 mg--
Collinsonia40 mg--
Horse Chestnut Seed Extract250 mg--
Gotu Kola Aerial Part Extract35 mg--

Other ingredients: Gelatin, Cellulose, Magnesium Stearate, Silica

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formula

Standardized to 20% Aescin: Wonder's Horse Chestnut extract supports healthy circulation in the legs.

Standardized for 20% aescin Plus collinsonia Bilberry Gotu kola

Precautions

Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Keep out of reach of children.

Caution: If you are pregnant or nursing, consult your physician before taking this product.

Formulation

Mfg. in an FDA Registered Facility using Good Manufacturing Practices (GMPs)

Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability.

Supports healthy circulation in the legs

Gluten free

Made in USA

Storage

Keep tightly closed. Store at room temperature: 59 Degrees - 86 Degrees F (15 Degrees to 30 Degrees C).

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

General Statements

Formula 460

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take 1 capsule two times daily, with meals.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Horse Chestnut Extract by Wonder Laboratories label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Horse Chestnut Extract label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Horse Chestnut Extract by Wonder Laboratories

These are the 4 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container250 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Bilberry extract

Interacts with
275 drugs
25 mg per serving

Bilberry is a blueberry-like fruit rich in antioxidant plant compounds called anthocyanins, and it has a long history of traditional use for eye healt...

Bilberry extract monograph & interactions

Collinsonia

No known
interactions
40 mg per serving

Stone root is a North American herb traditionally used for hemorrhoids, urinary complaints, and digestive issues. There is very little modern scientif...

Collinsonia monograph & interactions

Horse Chestnut Seed Extract

Interacts with
122 drugs
250 mg per serving Form: Aescin

Horse chestnut seed extract is most often used for chronic venous insufficiency, where standardized products may help reduce leg swelling, pain, and h...

Horse Chestnut Seed Extract monograph & interactions

Gotu Kola Aerial Part Extract

Interacts with
579 drugs
35 mg per serving

Gotu kola is a traditional Ayurvedic and Asian herb that people use for wound healing, circulation, skin problems, and as a calming or memory-supporti...

Gotu Kola Aerial Part Extract monograph & interactions

Other (inactive) ingredients: Gelatin, Cellulose, Magnesium Stearate, Silica. These complete the product’s ingredient list but are not active constituents.

Interaction report

Horse Chestnut Extract by Wonder Laboratories Drug Interactions

Want to check YOUR meds against Horse Chestnut Extract?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
746Drugs
746 Moderate

Ingredients driving the most interactions

Gotu Kola Aerial Part Extract 579
Bilberry extract 275
Horse Chestnut Seed Extract 122

Individual Drug Interactions

The ingredients in Horse Chestnut Extract interact with 746 drugs. Click any drug to see the details.

3 of the 4 ingredients in Horse Chestnut Extract interact with drugs. Each result below shows which ingredient is responsible. Gotu Kola Aerial Part Extract Bilberry extract Horse Chestnut Seed Extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Horse Chestnut Extract with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Gotu Kola Aerial Part Extract2 drug types · 579 drugs

Cns Depressants

Theoretically, taking gotu kola might increase the sedative effects of CNS depressants.
In vitro research suggests that gotu kola may have sedative effects via binding of GABA receptors.

Likelihood Possible Evidence D
Hepatotoxic Drugs

Theoretically, taking gotu kola with hepatotoxic drugs might have additive adverse effects.
There are at least four case reports of hepatotoxicity associated with the use of gotu kola. However, more information is needed to determine if gotu kola was the causative factor in these cases.

Likelihood Possible Evidence D
Gotu Kola Aerial Part Extract full monograph & interactions

Bilberry extract4 drug types · 275 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, bilberry fruit extract might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
In vitro, animal, and clinical research suggest that anthocyanidin extracts from bilberry can inhibit platelet aggregation.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, bilberry leaf or fruit extract may increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal research suggests that bilberry leaf extract might have blood glucose-lowering activity. Also, one small clinical trial in patients with type 2 diabetes shows that taking bilberry fruit extract 470 mg as a single dose prior to an oral glucose tolerance test lowers plasma glucose levels when compared with placebo.

Likelihood Possible Evidence D
Cytochrome P450 2E1 (Cyp2E1) Substrates

Theoretically, bilberry fruit extract might decrease levels of drugs metabolized by CYP2E1.
Animal research shows that exposure to small concentrations of bilberry extract in drinking water for around one month increased CYP2E1 activity by 31%. However, exposure over a 2-month period did not increase CYP2E1 activity. This effect has not been reported in humans.

Likelihood Possible Evidence D
Erlotinib (Tarceva)

Theoretically, bilberry fruit extract might reduce the efficacy of erlotinib.
In vitro research suggests that bilberry fruit extract and its constituents, delphinidin and delphinidin-3-O-glucoside, inhibit the activity of erlotinib. This interaction has not been reported in humans.

Likelihood Possible Evidence D
Bilberry extract full monograph & interactions

Horse Chestnut Seed Extract1 drug type · 122 drugs

Anticoagulant/Antiplatelet Drugs

Horse chestnut may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Horse chestnut contains the constituent esculin which has been shown to have antithrombotic effects. Therefore, horse chestnut might have antiplatelet effects. This has not been shown in humans.

Likelihood Possible Evidence D
Horse Chestnut Seed Extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Horse Chestnut Extract, from the product label.

Wonder Laboratories

See all Wonder Laboratories products
Name
Wonder Laboratories
Street Address
115 S.C.T. Ct.
City
White House
State
TN
ZipCode
37188
Pharmacist Counseling Corner

Horse Chestnut Extract by Wonder Laboratories: Common Questions

Does Horse Chestnut Extract by Wonder Laboratories interact with any medications?
Yes. Based on its ingredients, Horse Chestnut Extract has a known interaction with 746 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Horse Chestnut Extract contains 4 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I'm pregnant?
Horse chestnut is unsafe in pregnancy — the safety data advises against it. Bilberry is rated likely safe, but gotu kola lacks enough safety information, so it's best avoided. Talk with your doctor or pharmacist about whether this product is right for you during pregnancy, since it contains horse chestnut.
Can I take this while breastfeeding?
Horse chestnut is unsafe while breastfeeding. Bilberry is likely safe. Gotu kola's safety during breastfeeding is unknown, so it's best avoided. Because the product contains horse chestnut, it's not recommended while nursing — discuss alternatives with your pharmacist.
Does horse chestnut actually work for leg swelling and vein problems?
Horse chestnut seed extract is rated possibly effective for chronic venous insufficiency, a condition where leg veins don't pump blood back upward well, causing swelling and discomfort. So there's evidence it may help, though it's not a guarantee, and you should discuss it with your doctor as part of your overall plan.
What are the most common side effects I might notice?
Bilberry commonly causes dark-colored stools (which is harmless), gas, and stomach discomfort. Horse chestnut may cause dizziness, stomach upset, headache, or itching. Gotu kola may cause nausea or stomach irritation. These are generally mild, but if they persist or worsen, stop and let your pharmacist know.
What does gotu kola do in this formula?
Gotu kola is included for its traditional use in supporting vein and skin health. It's rated possibly effective for venous insufficiency and burns. The evidence for other uses in this formula is insufficient or suggests it may not be effective.
Is there a safety concern with liver health?
Gotu kola has rare case reports of liver damage, though more information is needed. In one clinical trial where liver function was monitored closely at 120 mg daily for 6 months, no liver changes were seen. If you have liver disease or concerns, talk with your pharmacist before starting this product.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Horse Chestnut Extract label
Go deeper

The Full Monographs Behind Horse Chestnut Extract’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Bilberry

Interacts with 275 drugs

Bilberry is a blueberry-like fruit rich in antioxidant plant compounds called anthocyanins, and it has a long history of traditional use for eye health, circulation, and mild diarrhea. While...

Read the full Bilberry monograph → Herb & supplement monograph

Stone Root

Stone root is a North American herb traditionally used for hemorrhoids, urinary complaints, and digestive issues. There is very little modern scientific evidence to confirm it works for any...

Read the full Stone Root monograph → Herb & supplement monograph

Horse Chestnut

Interacts with 122 drugs

Horse chestnut seed extract is most often used for chronic venous insufficiency, where standardized products may help reduce leg swelling, pain, and heaviness. Raw, unprocessed horse chestnu...

Read the full Horse Chestnut monograph → Herb & supplement monograph

Gotu Kola

Interacts with 579 drugs

Gotu kola is a traditional Ayurvedic and Asian herb that people use for wound healing, circulation, skin problems, and as a calming or memory-supporting herb. Some early studies suggest poss...

Read the full Gotu Kola monograph →
Sources

Sources & How We Checked

Horse Chestnut Extract's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 54 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Bilberry 14 references
  1. Cignarella A, Nastasi M, Cavalli E, Puglisi L. Novel lipid-lowering properties of Vaccinium myrtillus L. leaves, a traditional antidiabetic treatment, in several models of rat dyslipidaemia: a comparison with ciprofibrate. Thromb Res 1996;84:311-22. PubMed
  2. Morazzoni P, Magistretti MJ. Activity of Myrtocyan, an anthosyanoside complex from Vaccinium myrtillus (VMA), on platelet aggregation and adhesiveness. Fitoterapia 1990;61:13-21.
  3. Erlund, I., Koli, R., Alfthan, G., Marniemi, J., Puukka, P., Mustonen, P., Mattila, P., and Jula, A. Favorable effects of berry consumption on platelet function, blood pressure, and HDL cholesterol. Am J Clin Nutr 2008;87(2):323-331. PubMed
  4. Hawrelak, J. A. and Myers, S. P. Effects of two natural medicine formulations on irritable bowel syndrome symptoms: a pilot study. J Altern Complement Med 2010;16(10):1065-1071. PubMed
  5. Morazzoni P and Magistretti MJ. Effects of Vaccinium myrtillus anthocyanosides on prostacyclin-like activity in rat arterial issue. Fitoterapia 1986;57:11-14.
  6. Pulliero G, Montin S, Bettini V, and et al. Ex vivo study of the inhibitory effects of Vaccinium myrtillus anthocyanosides on human platelet aggregation. Fitoterapia 1989;60:69-75.
  7. Bottecchia D. Preliminary report on the inhibitory effect of vaccinium myrtillus anthocyanosides on platelet aggregation and clot retraction. Fitoterapia 1987;48:3-8.
  8. Fdez, M., Zaragoza, F., and Alvarez, P. In vitro platelet aggregation effects of anthocyanosides of vaccinium myrtilus L. Anales de la Real Academia de Farmacia 1983;49:79-90.
  9. Biedermann L, Mwinyi J, Scharl M, Frei P, Zeitz J, Kullak-Ublick GA, et al. Bilberry ingestion improves disease activity in mild to moderate ulcerative colitis-an open pilot study. 2013 May;7(4):271-9. PubMed
  10. Hoggard N, Cruickshank M, Moar KM, Bestwick C, Holst J, Russell W, et al. A single supplement of a standardized bilberry (Vaccinium myrtillus L.) extract (36% wet weight anthocyanins) modifies glycaemic response in individuals with type 2 diabetes control
  11. Aichinger G, Pahlke G, Nagel LJ, Berger W, Marko D. Bilberry extract, its major phenolic compounds, and soy isoflavone genistein antagonize the cytostatic drug erlotinib in human epithelial cells. Food Funct 2016;7(8):3628-36.
  12. Prokop J, Ln&ecaron;ni&ccaron;kov&aacute; K, Cibicek N, et al. Effect of bilberry extract (Vaccinium myrtillus L.) on drug-metabolizing enzymes in rats. Food Chem Toxicol 2019;129:382-90. PubMed
  13. Chan SW, Chu TTW, Choi SW, Benzie IFF, Tomlinson B. Impact of short-term bilberry supplementation on glycemic control, cardiovascular disease risk factors, and antioxidant status in Chinese patients with type 2 diabetes. Phytother Res 2021. Online ahead o PubMed
  14. Bøhn SK, Myhrstad MCW, Thoresen M, et al. Bilberry/red grape juice decreases plasma biomarkers of inflammation and tissue damage in aged men with subjective memory impairment -a randomized clinical trial. BMC Nutr 2021;7(1):75. PubMed

See these in context on the Bilberry monograph →

Stone Root 1 reference
  1. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

See these in context on the Stone Root monograph →

Horse Chestnut 21 references
  1. Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
  2. Ellenhorn MJ, et al. Ellenhorn's Medical Toxicology: Diagnoses and Treatment of Human Poisoning. 2nd ed. Baltimore, MD: Williams & Wilkins, 1997.
  3. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  4. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  5. Greeske K, Pohlmann BK. Horse chestnut seed extract-an effective therapy principle in general practice. Drug therapy of chronic venous insufficiency. Fortschr Med 1996;114:196-200.
  6. Robbers JE, Tyler VE. Tyler's Herbs of Choice: The Therapeutic Use of Phytomedicinals. New York, NY: The Haworth Herbal Press, 1999.
  7. Takegoshi K, Tohyama T, Okuda K, et al. A case of Venoplant-induced hepatic injury. Gastroenterol Jpn 1986;21:62-5.
  8. Jaspersen-Schib R, Theus L, Guirguis-Oeschger M, et al. [Serious plant poisonings in Switzerland 1966-1994. Case analysis from the Swiss Toxicology Information Center]. Schweiz Med Wochenschr 1996;126:1085-98.
  9. Popp W, Horak F, Jager S, et al. Horse chestnut (Aesculus hippocastanum) pollen: a frequent cause of allergic sensitization in urban children. Allergy 1992;47:380-3.
  10. Diaz-Perales A, Collada C, Blanco C, et al. Cross-reactions in the latex-fruit syndrome: A relevant role of chitinases but not of complex asparagine-linked glycans. J Allergy Clin Immunol 1999;104:681-7. PubMed
  11. Blanco C, Diaz-Perales A, Collada C, et al. Class I chitinases as potential panallergens involved in the latex-fruit syndrome. J Allergy Clin Immunol 1999;103:507-13. PubMed
  12. Comaish JS, Kersey PJ. Contact dermatitis to extract of horse chestnut (esculin). Contact Dermatitis 1980;6:150-1. PubMed
  13. Pittler MH, Ernst E. Horse chestnut seed extract for chronic venous insufficiency (Cochrane Review). In: The Cochrane Library, Issue 3, 2004. Chichester, UK: John Wiley & Sons, Ltd. PubMed
  14. Ottillinger, B. and Greeske, K. Rational therapy of chronic venous insufficiency--chances and limits of the therapeutic use of horse-chestnut seeds extract. BMC.Cardiovasc.Disord. 2001;1(1):5. PubMed
  15. Pittler, M. H. and Ernst, E. Horse chestnut seed extract for chronic venous insufficiency. Cochrane.Database.Syst.Rev. 2004;(2):CD003230. PubMed
  16. Fang, Y., Zhao, L., Yan, F., Xia, X., Xu, D., and Cui, X. Escin improves sperm quality in male patients with varicocele-associated infertility. Phytomedicine. 2010;17(3-4):192-196. PubMed
  17. De Smet, P. A., Van den Eertwegh, A. J., Lesterhuis, W., and Stricker, B. H. Hepatotoxicity associated with herbal tablets. BMJ 7-13-1996;313(7049):92.
  18. Rehn, D., Unkauf, M., Klein, P., Jost, V., and Lucker, P. W. Comparative clinical efficacy and tolerability of oxerutins and horse chestnut extract in patients with chronic venous insufficiency. Arzneimittelforschung 1996;46(5):483-487.
  19. Edem E, Kahyaoglu B, Çakar MA. Acute Effusive Pericarditis due to Horse Chestnut Consumption. Am J Case Rep. 2016;17:305-8. PubMed
  20. Costa Santos D, Lérias G, Madruga I. Drug-induced Liver Injury Due to a Horse Chestnut Dietary Supplement. Eur J Case Rep Intern Med 2021;8(3):002389. PubMed
  21. Yi HY, Lee JY. Poisoning due to consumption of horse chestnut seed. Clin Exp Emerg Med 2021;8(4):333-335. PubMed

See these in context on the Horse Chestnut monograph →

Gotu Kola 18 references
  1. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  2. Pointel JP, Boccalon H, Cloarec M, et al. Titrated extract of Centella asiatica (TECA) in the treatment of venous insufficiency of the lower limbs. Angiol 1987;38:46-50. PubMed
  3. Brinkhaus B, Lindner M, Schuppan D, Hahn EG. Chemical, pharmacological and clinical profile of the east Asian medical plant Centella asiatica. Phytomedicine 2000;7:427-48.
  4. Eun HC, Lee AY. Contact dermatitis due to madecassol. Contact Dermatitis 1985;13:310-3.. PubMed
  5. Hausen BM. Centella asiatica (Indian pennywort), an effective therapeutic but a weak sensitizer. Contact Dermatitis 1993;29:175-9..
  6. Bilbao I, Aguirre A, Zabala R, et al. Allergic contact dermatitis from butoxyethyl nicotinic acid and Centella asiatica extract. Contact Dermatitis 1995;33:435-6.
  7. Cesarone MR, Incandela L, De Sanctis MT, et al. Evaluation of treatment of diabetic microangiopathy with total triterpenic fraction of Centella asiatica: a clinical prospective randomized trial with a microcirculatory model. Angiology 2001;52 Suppl 2 DOI
  8. Bradwejn J, Zhou Y, Koszycki D, Shlik J. A double-blind, placebo-controlled study on the effects of Gotu Kola (Centella asiatica) on acoustic startle response in healthy subjects. J Clin Psychopharmacol 2000;20:680-4. PubMed
  9. Young GL, Jewell D. Creams for preventing stretch marks in pregnancy. Cochrane Database Syst Rev 2000;(2):CD000066. PubMed
  10. Jorge OA, Jorge AD. Hepatotoxicity associated with the ingestion of Centella asiatica. Rev Esp Enferm Dig 2005;97:115-24. PubMed
  11. Mallol J, Belda MA, Costa D, et al. Prophylaxis of striae gravidarum with a topical formulation. A double blind trial. Int J Cosmet Sci 1991;3:51-7.
  12. Izu, R., Aguirre, A., Gil, N., and Diaz-Perez, J. L. Allergic contact dermatitis from a cream containing Centella asiatica extract. Contact Dermatitis 1992;26(3):192-193.
  13. Santucci, B., Picardo, M., and Cristaudo, A. Contact dermatitis due to Centelase. Contact Dermatitis 1985;13(1):39. PubMed
  14. Vena, G. A. and Angelini, G. Contact allergy to Centelase. Contact Dermatitis 1986;15(2):108-109. PubMed
  15. Marastoni, F., Baldo, A., Redaelli, G., and Ghiringhelli, L. [Centella asiatica extract in venous pathology of the lower limbs and its evaluation as compared with tribenoside]. Minerva Cardioangiol. 1982;30(4):201-207.
  16. Danese, P., Carnevali, C., and Bertazzoni, M. G. Allergic contact dermatitis due to Centella asiatica extract. Contact Dermatitis 1994;31(3):201.
  17. Bilbao, I., Aguirre, A., Zabala, R., Gonzalez, R., Raton, J., and Diaz Perez, J. L. Allergic contact dermatitis from butoxyethyl nicotinic acid and Centella asiatica extract. Contact Dermatitis 1995;33(6):435-436.
  18. Dantuluri S, North-lewis P, Karthik SV. Gotu Kola induced hepatotoxicity in a child - need for caution with alternative remedies. Dig Liver Dis. 2011;43(6):500. PubMed

See these in context on the Gotu Kola monograph →

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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

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