Cemetidine and Zinc.

My son is on cimetedine, it replaced ranitidine because I read djorge posting to me of the importance of cimetedine and how it can help to restore your immune system if you are fighting a candida infection. My son has had a colonoscopy and it showed up stomach irritation and soreness so he is on lansoprazole for another three weeks. He may have further problems but the pill camera failed. Anyway, is there a form of zinc that will work with cimetidine that is gentle on the stomach ? He has also developed a blood circulation problem and I am giving him enchinacea. He does not seem to be able to eat any oils or any fats without creating real problems such as a release of acid bile, this was caused by giving him coconut oil.