Try to start by mentally sorting out your morals. Really think about why you eat food and turn to it with a true, honest look before it is too late
Second, you can save your life. Have hope. If you can learn to sort your morals out so that you love your health before you love good taste (and not that fake emotional sort it out for the moment where ya feel bad for a bit but I mean a full, whole hearted change), then next step is to have full hope to change
Third, come up with a plan of action. Do NOT take it as rigid but an outline. You have to have minimum requirements
Fourth. Consider help. In this stupid society, people will arrest someone from stopping you if you don't consent. You're at a point where if you don't seek this yourself and you're not well enough to make good choices, they'd rather support you over someone fighting with you to save you from yourself. Get someone you trust on board who is serious. Someone who is not scared to hold you back that you will not sabotage. Someone who is committed to the cause and knows that there will be days where you wanna quit. And be a good patient and let them take control wherever you are weak. Family is best at times for this. If not, really pray and find someone you think may fit this role the best
I hope you have the best of journeys. You are not alone. I hope you make it out