While adopting this diet and lifestyle program I have reversed my heart disease, high cholesterol, hypertension, and lost 54 lbs. You can follow my story at https://www.drmcdougall.com/james-brown/
However Dr prescribed vitamins and minerals are different. I have chronically low iron and have a prescribed iron pill daily...and 6 monthly iron tests. If you have been tested and found lacking, I think you should take your pills. BTW I had low iron on paleo too....