Herbal Hills Diabohills Herbal Shots. Diabohills liquid is a unique combination of Bitter Gourd (karela), Indian black berry(Jamun), Harad, Amla, Baheda, Gymnema Sylvestre(Gurmar). Combined effect of this formula helps to control blood sugar levels. Karela may stimulate insulin secretion and has blood sugar reducing properties. Regular use of Diabohills Liquid syrup helps in controlling blood sugar levels and helps in increase immunity system.