DIET is KEY in AS and the keto diets are great. Many people have had substantial results on such a regimen; best to stay as far away from starches as possible. Test with iodine, if necessary. There are many published lists of starch content of foods, but a few ideas: Tofu is not starchy and there are non-starchy food options like prepared mushroom noodles from Miracle Noodle, almond and coconut flour for baking, and eggs are important. Just like Imnotsure says, pork is not very good, but all of the other meats are very safe, broccoli, celery, cucumbers, and if You tolerate nightshades good to stay away from tobacco and potatoes--I can eat peppers and tomatoes without any problems. Tuna salads can be good, and some places prepare burgers wrapped in lettuce. Hope You can expand Your choices safely.