Yam (Dioscorea Villon) - a plant of tropical forests. Natural source of active ingredients: alkaloids, dioscin, flavonoids (including quercetin and kaempferol) and steroidal saponins. It improves the circulation of blood. Causes drain of excess hypodermatic fluid from the body under the skin (by increasing perspiration, which allows for the reduction of body fat), provides proper course of metabolic processes, and rapid post-workout recovery. It is a component of nutritional and functional supplements.