Euphorbia

Botanical

What is it

Euphorbia is a large plant genus containing thousands of species. In supplements, common species include Euphorbia kansui and E. pekinensis (used in traditional Chinese medicine) and other Euphorbia roots and aerial parts.

Evidence for 1 use

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

Traditional use (edema, ascites)

Mixed Evidence

Used in traditional Chinese medicine as a powerful purgative for edema and ascites. Modern clinical research does not support routine use due to toxicity concerns.

How it works

Euphorbia plants contain diterpenoids, including ingenol and tigliane-type esters with strong irritant and laxative properties. Traditional use includes powerful purgative action for edema and ascites. Animal and laboratory studies suggest anti-tumor and anti-inflammatory activity, but the diterpene constituents are toxic at higher exposures.

Dosage

No standardized supplement dose. Traditional preparations require careful preparation to reduce toxicity, often by stir-frying with vinegar.

When and how to take it

No formal supplement timing. Traditional use is short-term under practitioner supervision.

1 commercial form

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Processed Euphorbia root

Traditional vinegar-treated preparations used in licensed Chinese herbal practice.

Irritant constituents reduced by processing

Safety

Most Euphorbia species contain irritant latex that causes burns to skin and eyes and severe gastrointestinal toxicity if ingested unprocessed. Even processed traditional preparations can cause severe diarrhea, electrolyte loss, and toxicity. Some species are tumor-promoting on chronic exposure.

Who should be cautious

Contraindicated in pregnancy, breastfeeding, children, the elderly, and anyone with cardiovascular, kidney, or gastrointestinal disease. Should only be used under expert supervision in licensed traditional medicine practice.

Interactions

Strong laxative action can deplete potassium, increasing toxicity of cardiac glycosides. Avoid combining with diuretics, anticoagulants, or any medication for which fluid balance matters.

Frequently asked questions

Is Euphorbia safe to take?⌄

Generally no. Most species are toxic and should only be used as processed preparations under expert traditional medicine supervision.

Why is Euphorbia in some supplements?⌄

Traditional Chinese formulas occasionally include processed Euphorbia for severe edema. Self-administration is not recommended.

References

Euphorbia on Wikidata — Wikidata link

Euphorbia on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Euphorbia (PubMed search) — PubMed link

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Evidence-based·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.