AMH or anti-mullerian hormone is a substance produced by granulosa cells in ovarian follicles. A normal AMH level ranges from 1.5 – 4.0 ng/ml. If the AMH level is Over 4.0 ng/ml and a low normal range of AMH ranges from 1.0 – 1.5 ng/ml. If the AMH level is anywhere between 0.5 – 1.0 ng/ml, it is considered to be very low.