Goji or Mangosteen for the Heart and Arthritis?

Q: Have there been reports of help with atrial fibrillation, cardiomyopathy, or pulmonary hypertension? I appreciate all the details of ingredients on your website. Also, anything on results with rheumatoid arthritis? I’m investigating Mangosteen and/or Goji for these conditions. I’ve read mangosteen can prevent atherosclerosis, but am wondering if can help with a-fib, cardiomyopathy and…