The majority of protein food sources that are non animal are insufficient protein sources. That means they don't contain all the amino acids to generate proteins within our body. They have to be combined with other incomplete protein food sources to make the formation of new protein possible. Beans and rice are a typical example. Insufficient sources of protein can also be integrate with complete sources of protein which makes later protein formation in our body possible.
You should still consider consuming non animal sources of Cheap protein since they have lots of other nutrients like phytochemicals, vitamins, minerals and antioxidants that are favourable for our health.
Where can I buy Cheap Protein?
In OMG Labs provide cheap protein. You can buy through online store www.omglabs.co