With snow peas both the pods and seeds are edibile. You are probably familar with them as a staple of Chinese Food.
Snow peas are a rich source of vitamin C; a source of vitamins A (as beta carotene), and Vitamins B1, and B2. Plus a good source of dietary fiber and protein.
They also contain potassium and iron.
Potassium is considered a major mineral and it works with sodium to regulate electrolyte balance in the cells.
Potassium is also beneficial in helping to maintain normal blood pressure
Potassium is also considered a brain food because it is needed for the transmission of nerve impulses.