Blood Dock is made of multiple natural herbs such as: capsimart, afrialoe, burdock, etc, in order to suit the needs in circulation. Most of the time people complain about cramps in legs, hands and joints, swelling, spasm in the biceps; some other times it is hard to open the hand when is needed or having great difficulties to get up when seating down, those abnormalities could be regulated by using this supplement. It is one of the best way to bring more oxygen in the body and correctly function.