Butternut bark extract (extract from the bark of white walnut [Juglans cinerea]) contains tannins, acid juglandic and juglone. Supports the processes occurring in the gastrointestinal tract and the digestive tract (regulates bowel function), allows for liver regeneration and detoxification (the release of the waste matter of metabolism, often toxic) of the organism. Included in the supplements category "Health and Beauty" and detoxificating supplements. In the sports supplementation used occasionally.