They Are Low In Fat And Rich In B Complex Vitamins, Calcium And Potassium • It Provides Many Of The Nutrients Your Body Needs, Such As Protein, Fat, And Carbohydrates. These Foods Serve As The Best Plant Source Of Protein. • This Legume Contains Building Blocks Of Protein Necessary For Good Health. • The Iron, Folic Acid, Calcium, Magnesium, Potassium, And B Vitamins In These Foods Help Meet Vitamin And Mineral Requirements.