Foods such as garlic, ginger, almonds, sunflower seeds and peanut butter have natural blood-thinning qualities, according to Healthline. Other fruits and vegetables that contain blood-thinning properties include spinach, tomatoes, mangoes, kiwi and broccoli.
In addition to the most common, natural blood-thinning foods, there are also herbs, spices and oils that can act as blood thinners, according to Healthline. Celery seed and aniseed are both commonly used cooking flavorings that have coumarin effects, meaning they can prevent the blood from clotting.
Several oils rich in vitamin E also have natural anticoagulant properties, states Healthline. These include olive oil, sunflower oil, soybean oil and wheatgerm. Foods rich in omega-3 fatty acids, such as salmon and white fish, as well as fish oil supplements are also powerful blood-thinners, according to the University of Maryland Medical Center.
Natural blood-thinners can be part of a heart-healthy diet, but according to Healthline, they should be consumed with caution while taking additional blood-thinning medications. High doses of blood-thinning foods on their own or foods mixed with blood-thinning medication can increase the risk of bleeding. This can occur in the form of bleeding gums, heavy menstruation, nosebleeds or extended bleeding from a single cut. It is recommended that those ingesting large amounts of blood-thinning foods contact a health care professional first.