The invention relates to a herbal oil, for controlling blood sugar without risk of hypoglycemia, comprising of the step of (i) fractional distillation of essential oils comprising of turpentine oil, jasmine oil, rose oil, eucalyptus oil, sandal wood oil and water green oil to obtain hydroxyl compounds #-terpinol, linalool, Gereneol, Citroneoll, #-Santalol, Methyl salicylate and other alcoholic terpenoils and (ii) dilution with fat oil so as to have approximate weight percentage of #-terpinol 50%, linalool 6%, Gereneol 4%, Citroneoll 3.5%, #-Santalol 2.7%, Methyl salicylate 2%, other alcoholic terpenoils and fat oil 31.8%.