Allium tuberosum Rottl.

Botanical

What is it

Allium tuberosum (Chinese chives, garlic chives, Jiu Cai) is a flat-leaved perennial in the onion family. The leaves are a culinary herb across East Asia, and the seeds (Jiu Cai Zi) are used in Traditional Chinese Medicine.

Evidence for 2 uses

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Culinary herb

Limited Evidence

Garlic chives contribute Allium-family organosulfur compounds and flavonoids consistent with general benefits of vegetable-rich diets.

Male reproductive health (TCM seed use)

Mixed Evidence

Traditional use; no controlled human trials confirm specific benefits.

How it works

The plant contains organosulfur compounds typical of the Allium family (such as allicin precursors and diallyl disulfide), flavonoids, and saponins. These compounds have antioxidant and mild antimicrobial activity in laboratory studies. In TCM, the seeds (Semen Allii Tuberosi, Jiu Cai Zi) are described as warming and are used for male reproductive complaints, urinary frequency, and back pain. Modern controlled clinical evidence is limited.

Dosage

Culinary use is in normal culinary portions. Traditional TCM seed doses are 3-9 g per day in decoction. Modern extracts vary; no consensus modern dose has been published.

When and how to take it

Use as food anytime. Traditional seed preparations are taken twice daily.

2 commercial forms

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

Fresh or dried leaves (food)

Common in East Asian cuisine.

Standard culinary form.

Dried seed (Jiu Cai Zi)

Used in TCM formulas.

Traditional preparation.

Safety

Garlic chives as food are widely consumed and considered safe. Seed preparations have less established safety profiles. Allium family allergies are uncommon but possible.

Who should be cautious

Generally safe as food in pregnancy. Seed preparations should be avoided in pregnancy due to traditional warnings. People on anticoagulants should be cautious with large amounts.

Interactions

Allium organosulfur compounds may modestly affect platelet function and blood sugar, with theoretical additive effects on anticoagulants and antidiabetic medications. Effects are generally small at culinary doses.

Food sources

Garlic chives (leaves)

Amount
Culinary portions
%DV
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Frequently asked questions

Are garlic chives the same as garlic?⌄

They are in the same genus (Allium) but are different species. Garlic chives have a milder, herbaceous flavor and are used as a leafy vegetable.

Will garlic chive seeds help erectile dysfunction?⌄

Traditional TCM uses include male reproductive complaints, but modern controlled evidence is lacking. Discuss persistent issues with a clinician.

References

Allium tuberosum Rottl. on Wikidata — Wikidata link

Allium tuberosum Rottl. on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Allium tuberosum Rottl. (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.