Plenish water contains bioactive cultures and a touch of organic juice for subtle sweetness it is a source of vitamin c that supports the normal function of the immune system the digestive tract is a vital part of the bodys immune system and where serotonin known as the happy hormone is createdwe use one of natures toughest strains of bacteria that can survive harsh conditions in the digestive tract if you rely on your mind and body to keep up with drive drink plenish water to stay ba