Avoid

⛔ Best avoided

Germander

Also called: teucrium

A plant once sold for weight loss.

Why people take it
Weight loss.
What the evidence says
None.
How it is usually taken
Not recommended at any amount; see the warning above.
Be careful
Causes liver damage.
Medicines it can interact with
Dangerous interactions are reported; do not combine with any medicine.

Other avoid

EphedraBitter orangeDMAAComfrey (by mouth)AristolochiaChaparralPennyroyalLobeliaKratomSARMsProhormonesTianeptinePhenibut

Common questions

What is Germander?

A plant once sold for weight loss.

Why do people take Germander?

Weight loss.

Does Germander work?

None.

How much Germander do people take?

Not recommended at any amount; see the warning above.

Is Germander safe?

Causes liver damage.

Does Germander interact with medicines?

Dangerous interactions are reported; do not combine with any medicine.

Sources and further reading

Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. Supplements are not medicines: they are not tested and approved like drugs before they are sold, and they can interact with medicines. Talk to your doctor or pharmacist before you start one, especially if you are pregnant or breastfeeding, take regular medicines, or have kidney, liver or heart disease.