Other compounds

Cannabidiol (CBD)

Also called: CBD oil, hemp extract

A non-intoxicating compound from cannabis or hemp.

Why people take it
Anxiety, pain, sleep.
What the evidence says
A prescription form treats rare epilepsies; little evidence for other uses.
How it is usually taken
Doses vary widely; quality and labelling are inconsistent. Legal status differs by country.
Be careful
Liver effects and drug interactions. Legal status varies by country; in India it is regulated.
Medicines it can interact with
Raises levels of clobazam, warfarin, tacrolimus and many other medicines; adds to sedatives.

Other other compounds

Alpha-lipoic acidResveratrolQuercetinPterostilbeneNMNSpermidineFisetinPQQSulforaphaneDIMDHEAMelatoninCaffeine and L-theanineHemp seedBee pollenRoyal jellyPropolisManuka honeyChlorophyllWheatgrass

Common questions

What is Cannabidiol?

A non-intoxicating compound from cannabis or hemp.

Why do people take Cannabidiol?

Anxiety, pain, sleep.

Does Cannabidiol work?

A prescription form treats rare epilepsies; little evidence for other uses.

How much Cannabidiol do people take?

Doses vary widely; quality and labelling are inconsistent. Legal status differs by country.

Is Cannabidiol safe?

Liver effects and drug interactions. Legal status varies by country; in India it is regulated.

Does Cannabidiol interact with medicines?

Raises levels of clobazam, warfarin, tacrolimus and many other medicines; adds to sedatives.

Sources and further reading

Last reviewed 31 October 2026. Written by Satya Babu.

🔎 Search all supplements

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.