COMMON NAME: Horsetail, scouring rush, shavegrass, and Field Horsetail,
BOTANICAL NAME: Equisetum arvense
MICROBIOLOGICAL STANDARDS: SALMONELLA absent in 25 g
More than 2/3 in-organic constituents, primarily silica and potassium salts. Horsetail from European sources contains the anti-allergy compound quercetin, but the same herb from North American and Asian sources usually does not. The plant also contains small amounts of nicotine.
PARTS USED: The above-ground parts of the plant