Hydrangea root extract (Hydrangea arborescens) is a rich source of active substances: alkaloids, flavonoids, phenolic glycosides (e.g. Hydrangeina) isocoumarin, saponins. It has diuretic properties and allows removal of excess fluid from the body, especially contained in the subcutaneous layer, thereby generating a loss of body mass, especially desirable in sports with weight categories (e.g. Boxing, wrestling, judo, etc.) And in the maintenance of body aesthetics. When a long-term use - basic electrolytes should be complemented (magnesium, potassium, sodium). In the sports supplementation - hydrangea root extract is used in body mass reduction programs, as an ingredient of thermogenics and supplements to enhance dehydration.