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Dietary supplement

VenaPlex Ingredients & Drug Interactions

by Metagenics

Tablet Or Pill Category: Other Combinations
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

VenaPlex is a dietary supplement by Metagenics with 3 active ingredients. Its ingredients are commonly taken for varicose veins and chronic venous insufficiency, hemorrhoids, easy bruising and fragile capillaries.Based on those ingredients, 933 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Arjuna bark extract, Horse Chestnut Seed Extract, Rutin. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of VenaPlex by Metagenics

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

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 3 of its 3 active ingredients.
  • “Horse Chestnut Seed Extract” is listed as a grouped ingredient — the label gives one combined amount (250 mg) without saying how much of each component you get.

VenaPlex has three active ingredients. Rutin is a bioflavonoid — a plant compound with potential anti-inflammatory properties.

Horse Chestnut Seed Extract is a botanical blend that comes as individual components. Arjuna bark extract (from Terminalia arjuna) is traditionally used in Ayurvedic practice for cardiovascular support.

The tablet also contains several inactive ingredients — microcrystalline cellulose, croscarmellose sodium, stearic acid, silica, hypromellose, medium chain triglyceride, and hydroxypropyl cellulose — which are fillers, binders, and capsule materials.

Does it work?

Not established
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
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use.

Why this rating?
  • The label markets this product for: support vascular health and healthy cardiovascular function.
  • We looked for evidence on: Chronic venous insufficiency (CVI), Varicose veins, Hemorrhoids, Postoperative swelling, Lymphedema, leg swelling — and 2 related terms.
  • The closest evidence on file: Rutin is rated "Insufficient Reliable Evidence To Rate" for Hemorrhoids (Natural Medicines).
  • Also on file: Rutin is rated "Insufficient Reliable Evidence To Rate" for Lymphedema, Varicose veins, Postoperative swelling.

The evidence we hold on these ingredients is limited. Rutin has been studied for aging skin, autism spectrum disorder, inflammatory bowel disease, diabetes, exercise-related respiratory infections, and hemorrhoids — but the data rated for all of these is insufficient to say whether it works.

Arjuna bark extract has been studied for obesity, high cholesterol, high blood pressure, and angina, but again we have insufficient reliable evidence to rate its effectiveness for any of these. We don't hold effectiveness data for Aescin or Horse Chestnut Seed Extract.

The evidence, ingredient by ingredient Rutin Horse Chestnut Terminalia

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 1 of the 2 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 2 of 2.
  • General safety write-ups exist for 2 of 2.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Rutin is generally well tolerated in food and short-term supplement use, though long-term safety data are limited. Some people report headache, flushing, or rashes when taking it orally.

Arjuna bark extract is generally well tolerated short-term in studies, but long-term safety varies by product. Safety during pregnancy and breastfeeding is not established for either ingredient — the data advises against use in those settings unless your doctor advises otherwise.

We hold no safety data on file for Aescin.

Side effects, ingredient by ingredient Rutin Horse Chestnut Terminalia

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?
  • 2 of the 2 matched ingredients can interact with medications — Rutin, Terminalia.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications.
  • For scale: 934 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.

Check with your pharmacist before taking VenaPlex if you're on blood thinners or antiplatelet drugs (like warfarin or aspirin) — Arjuna bark extract may increase bleeding risk. Also flag diabetes medications, any heart or blood pressure drugs, the muscle relaxer chlorzoxazone, the reflux drug omeprazole, or any other prescription medication — Arjuna bark extract can raise their levels.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

VenaPlex may be considered by someone looking for cardiovascular or vein support, but it comes with real interaction risks — especially if you take diabetes drugs, blood thinners, or medications your liver has to break down. If you're on any prescription medication, talk to your pharmacist before starting this product.

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

Assessment coverage: 2 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Sep 25, 2023.

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 VenaPlex, straight from the product label.

Brand Metagenics
Barcode (UPC) 755571900104
Net contents 60 Tablet(s)
Market status On market
Date entered into DSLD Sep 25, 2023
DSLD ID 295887
Product type Other Combinations
Supplement form Tablet Or Pill
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegetarian, 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 VenaPlex by Metagenics, 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 Tablet(s)
Maximum serving Sizes:
1 Tablet(s)
Servings per container
60
UPC/BARCODE
755571900104
IngredientAmount% DV
Rutin400 mg--
Horse Chestnut Seed Extract250 mg--
Arjuna bark extract100 mg--
Aescin50 mg--

Other ingredients: Microcrystalline Cellulose, Croscarmellose Sodium, Stearic Acid, Silica, Hypromellose, Medium Chain Triglyceride, Hydroxypropyl Cellulose

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

VenaPlex features a premium standardized extract of horse chestnut seed, an herb traditionally used to support vascular health. Horse chestnut is combined with rutin, a flavonoid, and arjuna bark extract to help support a healthy cardiovascular system.

Suggested/Recommended/Usage/Directions

Directions: take one tablet three times daily or as directed by your healthcare practitioner.

Formulation

This product is non-GMO, gluten-free and vegetarian.

This product is non-GMO, gluten-free and vegetarian.

Vascular support formula

Precautions

Caution: if pregnant, nursing, or taking medication, consult your health care practitioner before use.

Keep out of the reach of children.

Not intended for chronic use.

Practitioner exclusive

Seals/Symbols

Certified Gluten Free GFCO.org (Gluten-Free Certification Organization)

FDA Disclaimer Statement

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.

FDA Statement of Identity

Dietary Supplement

See for yourself

VenaPlex by Metagenics label

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

What’s inside

The Ingredients in VenaPlex by Metagenics

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Tablet(s) Dosage formTablet Or Pill Servings per container60 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.

Rutin

Interacts with
86 drugs
400 mg per serving

Rutin is a plant flavonoid (often taken from buckwheat or citrus) that people use mainly for blood vessel and circulation problems like varicose veins...

Rutin monograph & interactions

Horse Chestnut Seed Extract

Interacts with
122 drugs
250 mg per serving

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
  • › Aescin

Arjuna bark extract

Interacts with
933 drugs
100 mg per serving Form: Tannins

Terminalia is a group of traditional Ayurvedic tree species (most notably Terminalia arjuna) used for heart, digestive, and general wellness purposes....

Arjuna bark extract monograph & interactions

Other (inactive) ingredients: Microcrystalline Cellulose, Croscarmellose Sodium, Stearic Acid, Silica, Hypromellose, Medium Chain Triglyceride, Hydroxypropyl Cellulose. These complete the product’s ingredient list but are not active constituents.

Interaction report

VenaPlex by Metagenics Drug Interactions

Want to check YOUR meds against VenaPlex?

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
933Drugs
933 Moderate

Ingredients driving the most interactions

Rutin 86

Each ingredient & the kinds of drugs it affects

For each ingredient in VenaPlex 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.

Arjuna bark extract7 drug types · 933 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, concomitant use of Terminalia arjuna with anticoagulant or antiplatelet drugs may increase the risk of bleeding in some patients.
In vitro, Terminalia arjuna bark extract inhibits platelet aggregation, decreases platelet activation, and shows antithrombotic properties.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, concomitant use of Terminalia bellirica or Terminalia chebula with antidiabetes drugs could affect blood sugar control and increase the risk of hypoglycemia.
Animal and in vitro research shows that Terminalia bellirica and Terminalia chebula fruit and seed extract have hypoglycemic effects.

Likelihood Possible Evidence D
Chlorzoxazone (Parafon Forte, Paraflex)

Theoretically, use of Terminalia chebula may increase the risk of adverse effects from chlorzoxazone.
Animal research shows that enteral administration of Terminalia chebula for 15 days prior to administration of chlorzoxazone increases blood levels of chlorzoxazone and decreases chlorzoxazone clearance. It is speculated that Terminalia chebula reduces the metabolism of chlorzoxazone by inhibiting cytochrome P450 2E1.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, use of Terminalia arjuna may increase the levels and clinical effects of CYP2C9 substrates.
In vitro research shows that Terminalia arjuna extract inhibits CYP2C9 enzymes and reduces CYP2C9 substrate metabolism.

Likelihood Possible Evidence D
Cytochrome P450 2D6 (Cyp2D6) Substrates

Theoretically, use of Terminalia arjuna may increase the levels and clinical effects of CYP2D6 substrates.
In vitro research shows that Terminalia arjuna extract inhibits CYP2D6 enzymes and reduces CYP2D6 substrate metabolism.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, use of Terminalia arjuna may increase the levels and clinical effects of CYP3A4 substrates.
In vitro research shows that Terminalia arjuna extract inhibits CYP3A4 enzymes and reduces CYP3A4 substrate metabolism.

Likelihood Possible Evidence D
Omeprazole (Prilosec)

Theoretically, use of Terminalia chebula may increase the risk of adverse effects from omeprazole.
Animal research shows that enteral administration of Terminalia chebula for 15 days prior to administration of omeprazole increases blood levels of omeprazole and decreases omeprazole clearance. It is speculated that Terminalia chebula reduces the metabolism of omeprazole by inhibiting cytochrome P450 2C19.

Likelihood Possible Evidence D

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

Rutin1 drug type · 86 drugs

Antidiabetes Drugs

Theoretically, taking rutin with antidiabetes drugs might increase the risk of hypoglycemia.
Animal research suggests that rutin has hypoglycemic effects.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for VenaPlex, from the product label.

Metagenics

See all Metagenics products
Name
Metagenics
City
Gig Harbor
State
WA
ZipCode
98332
Phone Number
800 692 9400
Web Address
metagenics.com
Pharmacist Counseling Corner

VenaPlex by Metagenics: Common Questions

Does VenaPlex by Metagenics interact with any medications?
Yes. Based on its ingredients, VenaPlex has a known interaction with 933 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
VenaPlex contains 3 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 VenaPlex if I'm pregnant or breastfeeding?
The safety data advises against it. Rutin is rated Likely Safe in pregnancy, but Arjuna bark extract has not enough safety information for pregnancy or breastfeeding — your best move is to talk with your doctor or pharmacist for personalized advice.
What is Arjuna bark extract used for in this product?
It's a traditional Ayurvedic ingredient included for cardiovascular support. The evidence we hold on whether it actually works for the conditions studied — obesity, high cholesterol, high blood pressure, and angina — is insufficient to say.
Does rutin really work for diabetes?
Animal research suggests it might have blood-sugar-lowering effects, but the reliable evidence we hold is insufficient to say whether it works in people with diabetes. And if you do take diabetes drugs, rutin might increase your low-blood-sugar risk.
What are the side effects of VenaPlex?
Rutin may cause headache, flushing, or rashes in some people. We hold no reported adverse effects for Arjuna bark extract in our data. Long-term safety data for both ingredients are limited.
Does this product contain fillers?
Yes — it contains inactive ingredients including microcrystalline cellulose, croscarmellose sodium, stearic acid, silica, hypromellose, medium chain triglyceride, and hydroxypropyl cellulose. These are standard binders, thickeners, and capsule materials.

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

Not sure if VenaPlex is safe with your meds?

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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.

VenaPlex label
Sources

Sources & How We Checked

VenaPlex'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 32 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.

Rutin 2 references
  1. Mehta DK (Ex Ed). British National Formulary, Number 37. British Medical Association and Royal Pharmaceutical Society of Great Britain: London, England, March 1999.
  2. Sun C, Wang L, Sun J, Wang Z, Tang Z. Hypoglycemic and hypolipidemic effects of rutin on hyperglycemic rats. J Tradit Chin Med. 2020;40(4):640-645.

See these in context on the Rutin 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 →

Terminalia 9 references
  1. Sabu, M. C. and Kuttan, R. Anti-diabetic activity of medicinal plants and its relationship with their antioxidant property. J Ethnopharmacol. 2002;81(2):155-160. PubMed
  2. Rao, N. K. and Nammi, S. Antidiabetic and renoprotective effects of the chloroform extract of Terminalia chebula Retz. seeds in streptozotocin-induced diabetic rats. BMC.Complement Altern.Med 2006;6:17. PubMed
  3. Murali, Y. K., Anand, P., Tandon, V., Singh, R., Chandra, R., and Murthy, P. S. Long-term effects of Terminalia chebula Retz. on hyperglycemia and associated hyperlipidemia, tissue glycogen content and in vitro release of insulin in streptozotocin induced
  4. Senthilkumar, G. P. and Subramanian, S. Evaluation of antioxidant potential of Terminalia chebula fruits studies in streptozotocin-induced diabetic rats. Pharmaceutical Biology (Netherlands) 2007;45:511-518.
  5. Malik N, Dhawan V, Bahl A, Kaul D. Inihbitory effects of Terminalia arjuna on platelet activation in vitro in healthy subjects and patients with coronary artery disease. Platelets. 2009;20(3):183-1190.
  6. Varghese A, Savai J, Pandita N, Gaud RS. In vitro modulatory effects of Terminalia arjuna, arjunic acid, arjunetin, and arjungenin on CYP3A4, CYP2D6, and CYP2C9 enzyme activity in human liver microsomes. Toxicology Reports. 2015(2):806-16. PubMed
  7. Wu G, Dong Z, Dong J, et al. Effects of mongolian medicine Terminalia chebula Retz. on 6 CYP450 enzymes in rats. Int J Clin Exp Pathol 2020;13(12):3128-3138.
  8. Das A, Naveen J, Sreerama YN, Gnanesh Kumar BS, Baskaran V. Low-glycemic foods with wheat, barley and herbs (Terminalia chebula, Terminalia bellerica and Emblica officinalis) inhibit a-amylase, a-glucosidase and DPP-IV activity in high fat and low dose st
  9. Eltimamy M, Elshamarka M, Aboelsaad M, Sayed M, Moawad H. Effects of alcoholic extract of Terminalia Chebula dried fruit on blood biochemical profile in diabetic rats. J Diabetes Metab Disord 2022;21(1):159-170. PubMed

See these in context on the Terminalia monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

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.

© 2021 Therapeutic Research Center, LLC

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