everybody has h pylori... if it overgrows, or you alkalize your stomach (proton pump inhibitors), etc...
there is a natural way you could try... mastic gum
pylori, and observed that crude mastic gum could kill H. pylori at a concentration of 0.06 mg/mL, regardless of whether the organism was sensitive or resistant to metronidazole. In addition, they also reported that the lowest concentration tested, 0.0075 mg/mL, could significantly inhibit the growth of H. pylori.