callpass

what is the best sorce of protein.ever sence i was banted i just stopped eating red meat.don't know why .it seems latley i get something that happens when i eat or drink.is a gas type pocket.can't get anymore down with out vomiting.and can't burp have to tey to force a burp.but then it seems like i can't get that big breath you need.no one knows.any thouhgts ken