Green peas Green peas are a well balanced food available for healthy hair. They are loaded with all types of minerals and vitamins like zinc, iron and vitamin B, which help in maintaining the health of your hair and scalp.The pea is most commonly the small spherical seed or the seed-pod of the pod fruit Pisum sativum. Each pod contains several peas, which can be green or yellow. Pea pods are botanically fruit, since they contain seeds and develop from the ovary of a flower