I love black beans. In fact, they are a staple of health and wellness, so we usually have them as a main course at least once a week. They’re versatile in recipes, tasty by themselves and very easy to prepare. Black beans also have a high fiber-to-protein ratio that’s hard to beat. It’s this combination that helps in keeping blood sugar in check and maintaining lower blood cholesterol levels. Here’s How it Works: Although black beans are a nutrient-dense source of fiber and magnesium, what puts them at a distinct advantage over other foods is the folate you'll find in these delicious little legumes. Folate (folic acid) is a B-complex vitamin that appears to lower blood pressure (especially systolic blood pressure) by relaxing blood vessels and improving blood flow. Here’s How Much You Need: While a single cup of cooked black beans only yields about 256 micrograms of folate, tossing them with a cup of spinach salad will bring you slightly over the daily recommended allowanc...