HERB PROFILE · EDUCATIONAL REFERENCE

Onion

Botanical nameAllium cepa

Plant part usedBulb

Important safety information: Food use is generally well tolerated, but concentrated products may affect bleeding or blood glucose and can aggravate reflux or IBS symptoms.

Herbal actions

Culinary antioxidant
traditional expectorant
prebiotic food

Traditional and practitioner uses

These uses are presented for historical and educational context. They are not treatment claims.

Traditional cough and cold preparations
Culinary dietary use
Traditional digestive and respiratory support

Main constituents

Sulfur compounds, quercetin glycosides, fructans, phenolic acids

Preparation overview

Tea: Covered infusion or syrup. Fresh bulb is more commonly used as food, syrup or oxymel than as plain tea.

Liquid extract reference: 1:5

Preparation strengths are not interchangeable. Open the interactive guide for the complete evidence notes and sources available for this herb.

Herbilous provides educational information only. It does not diagnose, prescribe, or replace professional medical advice. Seek urgent care for severe or worsening symptoms.