Agrimonia pilosa has  long been used for medicinal purposes. We cannot find human studies to indicate how Agrimonia pilosa would be useful in health conditions.

Acetylcholinesterase inhibition by flavonoids from Agrimonia pilosa.
Molecules. 2007 Sepember. Jung M, Park M. Department of Chemistry, Yonsei University, Seoul 120-749, Korea.
In a bioassay-guided search for acetylcholinesterase inhibitors from 180 medicinal plants, an ethyl acetate extract of whole plants of Agrimonia pilosa ledeb yielded tiliroside, 3-methoxy quercetin, quercitrin and quercetin. We report herein for the first time that all four flavonol compounds showed significant inhibitory effects on acetylcholinesterase, particularly quercetin, which showed twice the activity of dehydroevodiamine.

Chemical composition of Agrimonia pilosa herb
The Agrimonia pilosa herb has a number of flavonoids such as quercetin catechin, hyperoside, quercitrin, and rutin.

Agrimonia species
Agrimonia eupatoria
Agrimonia pilosa
Agrimonia procera

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