This herbal blend has properties that are known to be the best blood builders and blood purifiers. Burdock root was used in German studies and showed it contains polyacetylenes that kill bacteria and fungi. 
 
This formula has another herb that is rich in iron called nettle. The iron content derives from plants; therefore, it will not constipate the system unlike over the counter iron supplements that are dug up from the earth’s crust which are basically rocks. The body cannot digest it.