Evidence supporting the use of: Osha
For the health condition: Angina

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Osha (Ligusticum porteri) is an herb traditionally used by Native American and Hispanic communities in North America, primarily for respiratory ailments such as coughs, colds, and bronchitis. Its use for angina (chest pain due to reduced blood flow to the heart) is not well documented in scientific literature, but some herbalists and traditional healers have suggested its use for cardiovascular support, often based on observed effects on circulation or references to related species used in Chinese medicine (such as Ligusticum chuanxiong). However, these references are typically anecdotal and not supported by rigorous clinical trials or pharmacological studies specifically addressing angina. A search of ethnobotanical records and herbal texts reveals that while Osha has been valued for its warming, stimulating, and expectorant properties, there is minimal historical documentation directly tying its use to the treatment of angina. There are no well-conducted human studies, nor robust preclinical data, evaluating its efficacy or safety for angina pectoris. Therefore, its use for angina is based more on traditional beliefs regarding its general circulatory benefits rather than specific clinical evidence. Given this, the evidence supporting Osha’s use for angina is weak and primarily traditional, with a rating of 1/5.

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Products containing Osha

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