Abstract: A synthetic non-styrene-butadiene rubber gum base is provided which has non-stick properties, retains its softness over extended periods of time even without the presence of antioxidants and improves or extends sweetness and flavor when used in either sugar or sugarless chewing gums and contains polyisobutylene and a mixture of polyvinyl acetate, triacetin and glyceryl monostearate as film forming-plasticizing agents together with polyterpene, polyethylene, wax, glyceryl monostearate, fatty acid esters and filler. A chewing gum containing this gum base and method for preparing same are also provided.