Gluxo Rx Keto Rx Sticks 2GKGluxo Rx Keto Rx Sticks 2GK are reagent strips for urinalysis that easily detect ketones & glucose in the urine. When ketones are found in the urine, they provide information on carbohydrate & fat metabolism. If your blood glucose levels are consistently high, you should check for ketones. Gluxo Rx Keto Rx Sticks 2GK contains 50 test strips individually wrapped in a foil pouch.