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Soybeans and 
 soybean products are superfoods. They are 
 in protein, fibre and unsaturated 
. They are also a 
 of potassium and other minerals. Soy fibre can help to lower cholesterol and boost weight loss. Soy is an important part of the 
 of East Asia, especially in Japan. People in Asia have eaten soy since ancient times. The most common 
 of soy products are tofu (soybean curd), natto (fermented soybeans), miso (a fermented soybean 
 added to soups) and soy sauce. Some 
 say miso is high in salt. The researchers said salt in miso does not put people at 
 of high blood pressure. Soybean products are becoming more 
 around the world.