Zi Su Ye Liquid Extract, Zi Su Ye (Folium Perillae) Leaf Tincture

What the brand says

Sold as “Zi Su Ye Liquid Extract, Zi Su Ye (Folium Perillae) Leaf Tincture, Herbal Supplement, Hawaii Pharm, Made in USA, 4x4 fl.oz”

Zi Su Ye (Folium Perillae) is the foil (or the scion) of annual herbaceous plant Perilla Frutescens. Perilla grows wild in abundance in the hills and mountains of East Asia and is a plant of the mint family. The upper leaves are sessile or short-hulled, oblong-ovate in shape; the lower leaves are long-hulled, ovoid in shape.