What kind of soy sauce is the healthiest?

What is super soy sauce? Brewed soy sauce is made from soybean and/or defatted soybean (soybean meal or bean cake), wheat and/or bran by microbial fermentation. Protein in raw materials is hydrolyzed to form amino acid nitrogen. The higher the amino acid nitrogen content, the higher the grade of soy sauce. The content of amino acid nitrogen in 12 product is higher than 0.8 g/100 ml, which belongs to "super" soy sauce according to relevant standards.