Need help finding rations in mg nes

(Potential spoilers for metal gear NES)

I know this isnt metal gear solid but there doesnt seem to be a reddit for mg nes. Ive gotten past the part near the beginning where you get captured and im at the second elevator. I have a little sliver of health (one hit) and no matter where i go or who i kill i cant seem to find any more rations and its infuriating. Does anyone know how/where I can get some