Sprinkle it on your rice or beans, or make a healing tea out of fresh turmeric root. Peel, slice into quarters and pour hot water over three, quarter-sized slices.. Here are some other foods that can boost blood circulation: Garlic relaxes blood vessels, making it a good choice to thin blood and improve circulation. Onions contain sulfur compounds, which help to maintain platelet aggregation, blood pressure and total cholesterol.