As with all recommendations related to your health, make sure you discuss any changes with your doctor prior to any changes. To help improve your pulse, you may want to try heart healthy foods such as fruits and vegetables, as well as healthy fats like omega-3's. Here is a great article discussion how to do it: https://www.nutriliving.com/blog/treat-your-heart-right. Other foods that you may want to include that is not in the article are beets. They can improve your blood circulation.