7 Cheap And Healthy Protein Sources

5. Peanut Butter

Image Credit: https://www.pinterest.com/pin/381398662171187294/
Image Credit: https://www.pinterest.com/pin/381398662171187294/

As confirmed by the peanut institute, the peanut contains a healthy amount of plant protein which is more than any other legume or nut. You can buy an 18-oz jar of peanut better within just $3 which can guarantee a good enough protein intake to make your muscle grow faster.