有报道：大剂量的鱼油可以减少疼痛和炎症

https://www.ncbi.nlm.nih.gov/pubmed/7639807

The omega-3 fatty acids in these supplements have some of the same effects as nonsteroidal anti-inflammatory drugs, or NSAIDs. But they aren’t as hard on your stomach

http://www.webmd.com/rheumatoid-arthritis/features/rheumatoid-arthritis-best-worst-supplements-herbs#1