I have been following a diet where I eat 3 main meals a day and a snack between them, and i must have 3 to4 oz. of protein each meal and at least 7oz. ea. snack, but I am worried now about the protein because I found out I have stage 3 kidney failure, BUT I am doing so good on this diet and sense I am 300lbs .obese I don't want to quiet now , so what about the protein, can you help me please ?