Aciloc and Zinetac are absolutely same. They are just two brand names of the same medicine called ranitidine that suppresses over-production of acid. Acidity reduces appetite; once it is brought down, naturally the appetite returns.
You should get the reasons for acidity determined. It could be due to your consuming Brufen (ibuprofen) every week. You have not given any reason for regular intake of ibuprofen.