I have a good friend with this condition. I'm sorry for your immobility. You have probably looked into dietary therapy, but from what I've read gluten and dairy-free diets can help OA, as can keto. I used to live near University of Arizona and they had the most amazing arthritis center. We went to several lectures (I don't have arthritis) because their speakers were so good. Here's the link, where you can watch videos: https://arthritis.arizona.edu/healthy-living/tucson-lecture-series