Goldenrod

Botanical

What is it

Goldenrod (Solidago species, most often Solidago virgaurea or 'European goldenrod') is a flowering perennial. Its aerial parts have been used traditionally for urinary tract complaints and as a mild diuretic.

Evidence for 1 use

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

Mild urinary tract support

Limited Evidence

Traditional and pharmacopeial use is well established for mild urinary complaints; the European Medicines Agency recognizes Solidago virgaurea as a traditional herbal medicine. Modern controlled trials are limited but supportive.

How it works

Goldenrod contains flavonoids (rutin, quercetin glycosides), triterpene saponins, and phenolic glycosides. These appear to produce mild aquaretic effects (increasing urine volume without major electrolyte loss) and have anti-inflammatory and antimicrobial activity in laboratory studies. The European Medicines Agency lists Solidago virgaurea as a traditional herbal medicinal product to support urinary tract function in cases of mild lower urinary tract complaints. Mechanism likely combines increased urine flow with mild antibacterial and anti-inflammatory effects in the urinary tract.

Dosage

Traditional doses: 6-12 g dried herb daily as tea, or 6-9 mL liquid extract daily, taken in divided doses with plenty of water. Standardized extract products vary; follow product labeling.

When and how to take it

Take during the day with plenty of water (at least 2 liters total per day) to support its aquaretic action. Avoid evening doses to prevent nighttime urination.

2 commercial forms

Compare the main delivery options and what they’re best suited for.

Dried herb / tea

Traditional preparation, often as 'urinary tract' teas.

Polar flavonoids and saponins extract well into hot water.

Standardized extract

Capsule or tablet form.

Typically standardized to flavonoid content.

Safety

Generally well tolerated. Possible side effects include mild gastrointestinal upset. Allergic reactions are possible in people sensitive to other plants in the Asteraceae family (ragweed, daisy, marigold).

Who should be cautious

Avoid in people with kidney disease, heart failure, or significant fluid restriction without medical advice. Avoid in pregnancy and breastfeeding. People allergic to ragweed or other Asteraceae plants should be cautious.

Interactions

May add to the effect of pharmaceutical diuretics. Theoretical interactions with lithium and antihypertensives because of altered fluid balance.

Frequently asked questions

Will goldenrod treat a urinary tract infection?⌄

Goldenrod may help with mild urinary discomfort as a supportive measure, but it should not replace antibiotics if you have a confirmed bacterial UTI. See a clinician if symptoms persist or worsen.

Does goldenrod cause allergies like ragweed?⌄

Goldenrod is in the same plant family (Asteraceae) as ragweed but is not typically a major cause of seasonal allergy on its own. People with severe Asteraceae allergies should still use caution.

References

Goldenrod on Wikidata — Wikidata link

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

Research on Goldenrod (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.