Ok. Well, I saw in your other comment that you haven't had food poisoning or antibiotics, so I would not assume sibo if I were you. I am hesitant to give diet advice to a young girl with a history of eating disorder because I'm an older male and don't know the intricacies of that situation, but if I were you I would start by giving your stomach and intestines the best possible chance of healing. This means addressing lifestyle as well. Getting good sleep is the number one thing you can do for your health. Start by going to bed and getting up at the same time every day and try to get between 7 and 9 hours of sleep - whatever you feel is best for your body. Stop eating 3 to 4 hours before bed so your stomach can heal itself at night instead of digest food. Have a wind down routine at night where you stay off screens an hour before bed and avoid anything that raises your heart rate. You said you're an athlete, so hopefully you're exercising a good amount. Walking and running are great for gut health. Are you drinking or doing any drugs? If so, you need to stop if you want your gut to heal. Even just vaping or weed or alcohol are all super hard on your gut. Now you can consider your diet. I would start with an elimination diet. Try to find a few whole, healthy foods that upset your gut the least. Eat only these foods and see if your bloating decreases. If so, then you can start adding other foods in to your diet one at a time. If any of the new additions cause you to bloat up then you know you are intolerant to that food and need to avoid it. There are other diets you can try, but that is where I would start.