Chronic Nausea and Vomiting: Seeking Help

Hi everyone.I have had chronic nausea and vomiting usually resulting from , food . The one that affects me the most is meat. I can eat meat if it’s masked or just has to be cooked very good. This is very odd, I’ve never had any issues with food in the past like this and I love cooking . This is torture. It’s been very bad since 2017 and no one knows what is wrong with me. I barely eat anything without getting sick or it just taste gross. I’ve been to several specialists and either they don’t listen or it’s just not their speciality.I’ve already been to a allergist it’s not food allergy/intolerance.It isn’t gastric function or gastric related issues.I’ve gone to 4 different gastric doctors that all confirmed this. Not gallbladder related my function is great. Not thyroid , insulin resistance or diabetes related. I’ve had ct scans and Gyno checked to make sure it’s nothings female related or hormones. I’ve had Lyme disease checked for. I’ve not found anything wrong but i feel awful and can barely eat. I only have a couple things left to ask them to check for, that are pretty rare. I’m waiting to see a endocrinologist and praying he can help me. I’m at a loss. anyone have similar issues that can help me ??????? Please I’m so tired of this .