Hi, It took 3 months for my ulcer to heal and I drank a lot of protein shakes and then started adding 1 semi sold meal per day and ramped up form there depending on how I tolerated. I switched to fair life milk and that met much of my protein needs 1/2 c skim and 1/2c chocolate made me feel like I wasn't being deprived. I also found isolate splash which has 24g of protein per scoop and is basically protein water and it save me from dehydration, website is revolution nutrition. They flavors are quite sweet so I water down a bit but it's all about your taste. I also ate protein pudding and lots of yogurt which won't be good for you but try the pudding. Also laughing cow cheese is soft and easy to digest. Hope this helps a bit, hang in there it will get better(: