Most nootropics work by affecting neurotransmitters in your brain like acetylcholine, glutamate, serotonin and dopamine. Neurotransmitters are chemicals that act as information messengers between your brain’s nerve cells, which are called neurons. It is neurotransmitters that give the signals to your brain to tell your heart to beat, and your lungs to breathe, but they also play a crucial role in your cognitive function too.By altering these neurotransmitters, nootropics can be used to your advantage by improving the way that your brain functions. Some nootropics also act as vasodilators, which work by boosting the flow of blood and oxygen to your brain, and others by stimulating nerve growth in the brain. But all of them have the same cognitive-enhancing effect.

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