Included at heart-healthy substances in spinach are: potassium, folate, calcium, betaine, antioxidant carotenoid nitrate and lutein. Spinach is also among only two plant resources of co-enzyme Q10 that is vital for heart and muscle wellness. Blueberries Blueberries are among our most powerful disease-fighting foods. They get their dark blue color from the powerful antioxidant anthocyanins and they are filled with heart-healthy fibers and supplement C. Salmon This cold-water fish is filled with heart-healthy omega-3 fatty acids and is also a great source of protein. You can find plenty of omega-3s from pollock also, tuna, herring, swordfish and mackerel. Legumes Legumes, including coffee beans, are full of protein, are fat-free and so are packed with fiber virtually, iron, potassium and calcium.Model 2 was adjusted for age, sex, race, high-density and low-density cholesterol amounts, triglyceride level, BMI, waist-to-hip ratio, hypertension, family history of diabetes, education level, alcohol use, exercise, and smoking status.6, 5.6 to <7.0 mmol per liter, respectively]) . Finally, model 3 was adjusted for all the variables in model 2 plus either the baseline fasting glucose level or the baseline glycated hemoglobin value . The glycated hemoglobin category of 5.0 to less than 5.5 percent had the largest number of individuals and was used as the reference category.