Limited evidenceWeight management

Chickweed

A common garden weed with a long folk reputation as a slimming and diuretic herb. There are no human trials of any kind; the entire evidence base is laboratory work.

Where to buy

View on iHerb

Ships to 180+ countries · welcome discount for new customers

Referral link — this site may earn a commission on purchases.

What the science says

Weight loss and appetite Limited evidence
No randomized trial, controlled study or even an uncontrolled human study of chickweed for body weight or appetite is indexed in PubMed. The slimming reputation rests entirely on traditional herbal use.
Enzyme-inhibiting activity in the lab Limited evidence
An in vitro and in silico study characterised chickweed extracts and reported activity against digestive and metabolic enzymes in test tubes. Test-tube enzyme inhibition regularly fails to reproduce in people, and none of this has been tested in humans.

Dosage & safety

Studied doseNo studied dose exists. Traditional preparations use 1–5 g of dried herb as a tea, and product labels typically suggest 300–500 mg of extract, stated without supporting trial data.

SafetyEaten as a wild green with no widely reported serious harms, but the safety of concentrated extracts has not been formally assessed. It contains saponins, which can irritate the gut at higher doses. Avoid during pregnancy and breastfeeding for lack of data.

How to take it

TimingTiming does not matter.

With food?Take it with food, since the saponins it contains irritate an empty stomach.

Worth knowingThere is no human trial of chickweed for weight loss at any dose — the entire claim rests on tradition.

Frequently asked questions

Does chickweed help with weight loss?

No human study of any kind has tested chickweed for weight loss or appetite; its slimming reputation rests entirely on traditional herbal use. The evidence grade for chickweed is limited, based only on laboratory work.

How much chickweed should I take?

Chickweed has no studied dose; traditional teas use 1–5 g of dried herb, and labels suggest 300–500 mg of extract without trial data. Take chickweed with food, since its saponins can irritate an empty stomach.

Is chickweed safe?

Chickweed is eaten as a wild green with no widely reported serious harms, but concentrated chickweed extracts have not been formally assessed for safety. Avoid chickweed during pregnancy and breastfeeding for lack of data.

Scientific references

Small Steps to the Big Picture for Health-Promoting Applications Through the Use of Chickweed (Stellaria media): In Vitro, In Silico, and Pharmacological Network Approaches
Cusumano G, Flores GA, Cetiz MV — Food Sci Nutr, 2024

Related in Weight management

L-Carnitine Moderate evidence
MCT Oil Moderate evidence
CLA (Conjugated Linoleic Acid) Limited evidence
White Kidney Bean Extract Limited evidence
Glucomannan Limited evidence
Chitosan Limited evidence

Herbal medicines: what the evidence says (335)