It also comes packed with other winners like 10 essential amino acids, iron, vitamins and fiber. Tofu comes in versions of hot dogs, breakfast sausages or burgers, although these contain less soy. Powdered soy proteins may not be a complete substitute, so try real products as well. There's no set guideline. Some diets will call for one or two servings daily, but other experts simply say you should make an effort to add it wherever it fits your tastes and cooking habits.
More studies are in the works to confirm the connection.
50 to 800 IU daily. Divide the dose in two if you use the high end. It has a blood-thinning effect, so consult a doctor if you take related drugs. As an antioxidant, it fights cell damage and may slow tumor growth. 100-200 micrograms daily.