It is usually used in combination with metformin(there is actually a combo pill called Janumet) or other oral
medications. Other than Januvia, there are many other oral
medications that can be added to Metformin(too many to name here actually). You are already below 7%, which is the general target, so there is no huge pressing need to tighten your glucose control at this time, but if you can get closer to an A1C of 6.5%, that would be even better for your health.