Foods which make you lean

Ninjas were professional warriors that also engaged in spying activities. As spying activities required high-level physical and mental abilities, they always trained themselves to maintain their super-skills. They also knew a lot about the foods they ate. They researched the effectiveness of each ingredient and classified them in order to use them to their advantage.

(1) Soy beans

Soy beans were eaten by Ninjas on a daily basis. There are 3 reasons why they ate soy beans.Soy beans contain rich vegetable protein. Protein’s role is to build muscles and replenish skin. As meat was not commonly eaten in Japan at that time, soy beans were an important source of protein used to strengthen their muscles.A ninja needed to be lean and agile. They were required to maintain a weight of less than 60 kilograms. Taking protein from vegetables was a smart way to control their weight.Soy beans are effective in improving skin-condition as they are rich in omega-3 fatty acids, isoflavones and linolenic acid. Ninjas sometimes needed to disguise themselves when spying, and having clean skin was advantageous when trying to pass as a townsman, monk or even a woman.