Chinese herbs

Pearl powder

Also called: zhenzhu fen

Ground pearls, mostly calcium carbonate.

Why people take it
Skin, calcium, calm.
What the evidence says
No good evidence beyond being a calcium source.
How it is usually taken
Small amounts in traditional products; buy tested products free of heavy metals.
Be careful
Products may contain heavy metals.
Medicines it can interact with
Calcium content can reduce absorption of some antibiotics and thyroid medicine.

Other chinese herbs

Dong quaiHorny goat weedSchisandraJujubeChrysanthemum teaGynostemmaEucommiaRehmanniaPolygonum multiflorumPuerariaPanax notoginsengAmerican ginsengEjiaoHawthorn berry (shanzha)Monk fruit

Common questions

What is Pearl powder?

Ground pearls, mostly calcium carbonate.

Why do people take Pearl powder?

Skin, calcium, calm.

Does Pearl powder work?

No good evidence beyond being a calcium source.

How much Pearl powder do people take?

Small amounts in traditional products; buy tested products free of heavy metals.

Is Pearl powder safe?

Products may contain heavy metals.

Does Pearl powder interact with medicines?

Calcium content can reduce absorption of some antibiotics and thyroid 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.