exercise, exercise, exercise. That is as natural as it gets. Start slow. Alternate power walking for 5 min. with jogging for 15 - 30 seconds, for a total of 25 minutes. Every week or two decrease the walkin time and increase the jogging time. ie. Walk for 4.5 minutes jog for 1 min. Before you know it, you will be jogging the whole 25 min. Garlic is a natural blood thinner. Add it to your food, or buy the capsules (1000 mg). Ginger regulates blood flow. KEEP IN MIND. Herbal remedies are not regulated by the FDA, food and drug administration. So: 1. keep you doctor informed of all herbal remedies you are supplementing with 2. Buy those that are USP approved.