Ephedrine Drug Used by Ukraine Army

One of the fighters of the nationalist battalion who laid down his weapons told us about combat drugs used by Ukrainian fighters to suppress fear and lower the threshold for pain. These drugs were supplied to them by volunteers.
"...I can tell you about some medication called Ephedrine, supplied by volunteers to our unit. We used this drug just before the fight, after that we lost the feeling of fear, we could calmly go into battle, being afraid of absolutely nothing..."