This says peas are 5.9% protein
http://www.howmuchprotein.com/foods/peas/
This says they are 5.2% protein and that 100 gram of peas contains 1.7 mg of niacin.
http://www.howmuchprotein.com/foods/peas/
This says they are 5.2% protein and that 100 gram of peas contains 1.7 mg of niacin.