Moonstone Nutrition, a Pittsburgh-based startup, added Stone Stopper™ +Immunity gummy to its line of kidney health products. With clinically significant amounts of alkali citrate, Stone Stopper™ gummy is an alkali citrate gummy that prevents kidney stones.  

Moonstone Stone Stopper™ was developed by kidney stone doctors and is scientifically proven to reduce the formation of kidney stones, according to the company. More than 33 million people in the US suffer from kidney stones and 49 million suffer from chronic kidney disease (CKD). Stone Stopper™ is available in supplement capsule, gummy, and ready-to-mix (RTM) beverage powders.