Question 1

What is Osha?

Accepted Answer

Osha usually refers to Ligusticum porteri (also called ‘osha root’ or ‘bear root’). It is traditionally used in some herbal practices, but there are limited human clinical safety/efficacy data. A major safety risk is misidentification: it can be confused with highly poisonous plants such as poison hemlock or water hemlock.

Question 2

What are the common uses of Osha?

Accepted Answer

Osha is commonly used for Traditional use for respiratory complaints (e.g., cough/cold support) and other folk uses (clinical evidence is limited).

Question 3

Are there any warnings or precautions for Osha?

Accepted Answer

High risk of dangerous mix-ups with poison hemlock/water hemlock if foraged or poorly sourced—do not self-harvest unless expertly trained. Pregnancy/breastfeeding: avoid due to insufficient safety data and safety concerns noted in clinical references. Additional precautions may apply.

Question 4

Is Osha FDA approved?

Accepted Answer

Not an FDA-approved drug; sold as an herbal dietary supplement ingredient in the U.S. (quality/identity control varies by vendor).

Question 5

Where can I buy Osha?

Accepted Answer

OTC via herbal supplement vendors; avoid wild-harvested/uncertain identity sources.

Osha

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Common Uses

Sources and Forms

Warnings and Precautions

Interactions

Regulatory Status

Availability

Frequently Asked Questions

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