It is said that the Japanese and German armies used drugs to improve the combat effectiveness of their soldiers during World War II? Is this true?

During World War II, Germany and also Japan did make their soldiers take drugs. They felt that this would improve the fighting strength of their soldiers.

In 1939, a drug company made more than 20 million drugs for Germany, which were later given to soldiers. The Germans discovered that their soldiers were taking several ephedrine pills on a daily basis.

After Germany did this, Japan followed their example. Large quantities of amphetamines were purchased for soldiers. According to authoritative media reports, during World War II, the Germans discovered a drug whose ingredient was cocaine. They even did human experiments on the drug they developed, hoping to give their soldiers a boost in combat power once it was put into military use. Of course these little pills didn't fail them. In the experiments, prisoners who were usually chronically underfed. After taking the pills, they were able to carry 20 kilograms on their backs for 100km without resting. According to these prisoners' description, they felt tired only after a day like this. As for Japan, soldiers in World War II took methamphetamine. After taking this pill, the soldiers could keep on fighting for a long time without feeling tired at all. This kind of behavior is actually inseparable from the traditional culture of Japan. At the same time, Japan is still in many places in Asia. Opening factories to produce methamphetamine. Because of the existence of these drugs. It is what allows Japanese soldiers to rampage on the battlefield.

After the end of the war, this drug inevitably flowed into the community, causing a lot of unfavorable and negative impacts, at this time the Japanese government could not sit still, they think that this drug can not continue to be used. So regulations were enacted. The production and sale of methamphetamine was banned.