Get a FREE Yae! Organics Wheat Grass Powder Sample! Yae! Wheatgrass is grown in nutrient dense soil and begins with strict organic farming procedures. Our proprietary drying process produces a powder that is virtually identical to juiced wheatgrass, therefore it’s naturally rich in Vitamin A (58% per serving), Vitamin B12 (3503% per serving), Vitamin K (328% per serving), Iron (29% per serving), and Chlorophyll (129mg per serving).