The former product consists of black cohosh that is medicinal herb used to get relief from menopause symptoms. Amberen does not contain black cohosh instead it contains the Monosodium L-glutamate. Menoquil has 120 tablets per bottle; Amberen contains 60. The recommended target for these dietary supplements differ; take two tablets per day for Amberen and two tablets each time for twice servings for Menoquil. Some women have complained about headaches and nausea after taking Amberen.