Hydroponically cultivated chromium cruciferate contains non-toxic and bioavailable forms of chromium that have been metabolized by the plant. Chromium Cruciferate is a plant based supplement that contains natural complexes of chromium, as controlled by nature. Hydroponically cultivated mustard greens bind trivalent chromium to bioavailable phytochelatins, providing a highly concentrated standardized mineral content free from contaminants. Also present are isothiocyanates, sulfurophanes and naturally occurring antioxidants.