MOONSTONE NUTRITION: Dedicated to improving healthy kidney function on a daily basis, Moonstone's patented, doctor-created alkali citrate formula helps prevent the formation of kidney stones. TRAVEL FRIENDLY: Each convenient packet of our Kidney-Support Drink Mix is packed with 30 milli-equivalents of alkali citrate. Take a few packets with you on the go, and never worry about measuring again!. BENEFICIAL INGREDIENTS: A patented formula rich in alkali citrate, this drink mix provides daily support for kidney health by helping manage urine pH and citrate levels. TASTY DRINK MIX: Easier to take than a tablet, this doctor-developed drink-mix supplement comes in delicious flavors like Cranberry Raspberry, Wild Berry, and Tropical. KIDNEY SUPPORT & STONE PREVENTION: The active citrates in this powder aid in keeping kidneys healthy and help prevent stones from forming by increg urine citrate and urine pH. KIDNEY SUPPORT & STONE PREVENTION: The active citrates in this powder aid in keeping kidneys healthy and help prevent stones from forming by increg urine citrate and urine pH.