Check the listing for details. Nitric Oxide. Condition: New. Listed at 59.99 USD. 3 Test Strips included with purchase Approved Medical Solutions Nitric Oxide (N-O) formula contains the highest N-O-containing food as well as the lowest oxalate contributor, Arugula. We use 5-MTHF in order to support BH4 production which keeps NOS coupled & functioning correctly. Our N-O product has undetectable oxalate levels (third-party laboratory validated). Use our convenient 10-second test strip to check your Nitric Oxide levels, then take our N-O capsules and observe the improvement in just 90 minutes!3 Test Strips included with purchase Approved Medical Solutions Nitric Oxide (N-O) formula contains the highest N-O-containing food as well as the lowest oxalate contributor, Arugula. We use 5-MTHF in order to support BH4 production which keeps NOS coupled & functioning correctly. Our N-O product has undetectable oxalate levels (third-party laboratory validated). Use our convenient 10-second test strip to check your Nitric Oxide levels, then take our N-O capsules and observe the improvement in just 90 minutes!