Avoid

⛔ Best avoided

Bitter orange

Also called: synephrine, citrus aurantium

A fruit extract with a stimulant similar to ephedrine.

Why people take it
Weight loss.
What the evidence says
Little evidence.
How it is usually taken
Not recommended at any amount; see the warning above.
Be careful
Can raise blood pressure and heart rate, especially with caffeine. Best avoided.
Medicines it can interact with
Adds to stimulants, caffeine and blood pressure medicines; risky with MAOIs.

Other avoid

Common questions

What is Bitter orange?

A fruit extract with a stimulant similar to ephedrine.

Why do people take Bitter orange?

Weight loss.

Does Bitter orange work?

Little evidence.

How much Bitter orange do people take?

Not recommended at any amount; see the warning above.

Is Bitter orange safe?

Can raise blood pressure and heart rate, especially with caffeine. Best avoided.

Does Bitter orange interact with medicines?

Adds to stimulants, caffeine and blood pressure medicines; risky with MAOIs.

Sources and further reading

Last reviewed 31 October 2026. Written by Satya Babu.

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