Answer:
The answer is Amphetamine
Explanation:
Amphetamines are stimulant drugs. They improve performance by increasing the activity of certain chemicals in the brain, they release excitatory neurotransmitters such as dopamine, they speed up messages traveling between the brain and the body. They are also called ergogenic drugs because they are considered to increase energy output. They enhance athletic performance. However they can be addictive and are illegal.