They also have very high needs for a certain amino acid that tends to be low in soybeans and other legumes. This means that soy is not a very good protein source for rodents. But it matches protein needs of humans extremely well. In addition, there are advantages to using soyfoods to meet protein needs. Soy protein causes less calcium to be excreted from the body in comparison to animal proteins and so may help to protect the health of bones.
Soy protein protects kidney function.
Soy protein helps lower cholesterol levels. Meeting Protein Needs Meeting protein needs is easy. Most adults need between 40 and 60 grams of protein per day. From the table below you can see how easily soyfoods can help meet your protein needs. The ingredients are combined in a way so that the body doesn't break them down.