It's necessary to increase the number of the mitochondria in the cell to raise the stamina.
A mitochondria is made of fat, sugar and oxygen, and ATP is produced.
A little hard movement for 1 minute and 20 times of squat are effective.
I hope that you do many times on the 1st.
The towering vitamin B group and the iron are helpful to the workings of the mitochondria.
Source Sogo television (Japan)
There are summer and a custom which eats eel in Japan.
Towering helps a mitochondria to make ATP.
It's for it that towering is in an energy drink.