What is The GlucoseZone? Laura Joseph October 14, 2018 23:18 Updated Follow The GlucoseZone is a target blood sugar range of 100-154. A blood sugar level of 154 is equivalent to an A1C measurement of 7.0%, and providing target ranges for everyone has helped many people lower their A1Cs. Related articles What are the key features of the GlucoseZone app? What is Just for You? What is a live workout? Comments 0 comments Please sign in to leave a comment.