Because soybeans contain no starch, they are a good source of protein for diabetics. Is soybean bad for male? does soy increase estrogen in males.

Is soy a protein or a starch?

Soybeans are mainly composed of protein but also contain good amounts of carbs and fat.

Is soybean high in starch?

The carbohydrates in soybean meal consist predominantly of non-starch polysaccharides (NSP) and free sugars, such as, mono-, di- and oligosaccharides (Choct, 1997). Starch is present at less than 1% (Choct, 1997).