
Muscles are made of amino acids | Functions and breakdown mechanisms of BCAAs and essential amino acids
This book explains the role and mechanisms of muscle-building amino acids and BCAAs, as well as the necessary amount of protein intake. It also explains the relationship between exercise-induced muscle breakdown and a decline in physical condition.

![[Digest video] Learn the basics of "muscles" that are essential for building a healthy body through illustrations](https://sports-science.ajinomoto.co.jp/wp-content/uploads/2023/09/digest_commentaryvideo03.jpg)
![[Explanatory video] Basic knowledge about "muscles" that athletes should know! / Learn with illustrations](https://sports-science.ajinomoto.co.jp/wp-content/uploads/2023/08/commentaryvideo03_01.jpg)
![[Paper introduction] Higher protein intake during endurance training is associated with higher levels of essential amino acids and lower levels of 3-methylhistidine in plasma.](https://sports-science.ajinomoto.co.jp/wp-content/uploads/2023/04/ppr17_01.jpg)
![[Paper introduction] Effects of leucine-rich essential amino acids on anabolism and catabolism in human skeletal muscle after resistance exercise](https://sports-science.ajinomoto.co.jp/wp-content/uploads/2021/07/thum_science01.jpg)