What is The GlucoseZone? Laura Joseph July 15, 2019 17:17 Updated Follow The GlucoseZone is a target blood sugar range of 100-154 mg/dl. A blood sugar level of 154 mg/dl 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 happens if I miss a live workout? Comments 0 comments Please sign in to leave a comment.