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Botanical illustration of Sassafras
MedicinalSourced entry

Sassafras

Sassafras albidum

An eastern North American tree whose fragrant root was made into tea and used for bronchitis and as a tonic. Its oil, safrole, causes cancer, and sassafras tea is banned as a food in the US.

Safety at a glance

Tap a box to read the safety notes below. “Nothing recorded” means our sources don't cover it, not that it's safe.

What is Sassafras?

Plant family
Lauraceae, the laurel family
Parts used
The root and root bark
Where it grows
Eastern North America
Genus
Sassafras
Species
albidum

Traditionally used for

  • Bronchitis
  • Tonic
  • Nerve pain
  • Toothache

Traditionally described as

  • Aromatic
  • Numbing

Traditions that use it

Natural compounds

Safety

Who should avoid it

  • In the US, food containing added safrole or sassafras oil, including sassafras tea, is banned. Sassafras oil is about 80% safrole.[1]Health agency

Toxicity testing

  • Sassafras contains safrole, a known cancer-causing substance.[2]Study

What does the research say?

Traditional use

These are traditional uses, not proven treatments.

  • In Appalachia, sassafras root is made into a tea for bronchitis and used as a tonic. The root bark tea was traditionally used to cause sweating, as a stimulant, to increase urination and to relieve gas. In the late 1800s, sassafras oil was recommended for nerve pain and toothache.[2]Study

Laboratory & animal research

Lab and animal results show what might be worth studying in people. They don't show that the herb has these effects in humans.

  • Its oil is mostly safrole, which acts as a mild numbing agent. The bark has also been used as an insect repellent.[2]Study

In short

Contains safrole, a known cancer-causing substance.

Sources

  1. [1] 21 CFR 189.180 — Safrole (substances prohibited from use in human food) — U.S. Food and Drug AdministrationGovernment health agency
  2. [2] A Review and Survey of Local Eastern Kentucky Medicinal Plants and Their Pharmacological Benefits · DOI: 10.3390/plants14203182Peer-reviewed study

This information is educational and traditional in nature, and is not a substitute for professional medical advice. Unfamiliar word? See what these words mean.