From their website:
Amazing Grass greens are USDA organic, Non GMO, kosher pareve, vegan and gluten free. Containing a plethora of vitamins, minerals, plant based protein and phyto-chemicals, leafy greens assist the body in maintaining healthy organ function, detoxification and immunity. We mix our greens into juices, smoothies, or anything we’re in the mood for. We’ve also created a host of grab-and-go products for the days when the world just can’t wait.