theory of kombucha powdered drink mix, gut health+, 12 single-serving pouches theory of kombucha experience the healthful benefits of kombucha without the sugar, alcohol, or vinegar taste with theory of kombucha gut health. containing 2 billion cfus of probiotics for optimal digestive health, these convenient on-the-go drink packets dissolve easily in water and require no refrigeration. plus, they have a refreshing lemon ginger flavor you’ll love. this low-calorie keto friendly drink mix contains 15 calories per pouch with only 1 net carb and zero sugar. stash a few in your purse, gym bag, or desk drawer for a delicious, healthy beverage you can enjoy anytime, anywhere. the drink mix is vegan, gluten-free, non-gmo, and kosher. this package includes 12 single-serving packets of powder drink mix.