Who created the spiral pill?

This kind of ninja was created by Namikaze Minato, the fourth generation descendant of Muhuoying.

According to the information of Naruto comics, Spiral Pill is an endurance skill commonly used by the protagonist of Naruto Uzumaki in comics and its derivative works. It was created by Namikaze Minato, the fourth generation of Naruto, who got inspiration from Bijyudama. It took three years to practice this skill, and his son Naruto Uzumaki even carried it forward.

Among Naruto, spiral pill is the strongest, which is an amazing endurance that will grow with users.