Benefits of POSTMAN Kidney Beans (Rajma) And Its Side Effects. Kidney beans are very good for the health. They contain antioxidants that are beneficial to our health. Consumption of kidney beans on a regular basis is good for hair and skin.
The beans are rich in protein. They are some of the richest sources of plant protein, a nutrient that helps build muscle mass. And the fiber in the beans boosts digestive health and keeps serious ailments like colorectal cancer at bay. Kidney beans contain other essential nutrients like iron, copper, folate, and manganese, which maintain several vital bodily functions.