Neurotransmitter

Acetylcholine (ACh)

An excitatory neurotransmitter critical to motor movement; associated with Alzheimer's if produced in insufficient amounts.

Dopamine

A neurotransmitter that can be both excitatory or inhibitory; involved in motor movement, alertness, attention, mood enhancement, and addictive behaviors. Insufficient production is linked to Parkinson's, while excess is associated with schizophrenia.

Endorphins

Inhibitory neurotransmitters involved in pain control, stress reduction, and feelings of pleasure; low levels may be related to addiction.

GABA (Gamma-aminobutyric Acid)

The brain's major inhibitory neurotransmitter, essential for motor control, vision, and anxiety regulation; low levels can lead to seizures and insomnia.

Glutamate

An excitatory neurotransmitter important for learning and long-term memory; excess levels can lead to overstimulation and seizures.

Norepinephrine (noradrenaline)

A neurotransmitter with excitatory or inhibitory functions, crucial for the 'fight or flight' response; imbalances can result in mood disorders.

Serotonin

An inhibitory neurotransmitter that regulates mood, hunger, sleep, and pain; imbalances may lead to depression and aggressive behavior.

Anandamide

A substance in the body that binds to cannabinoid receptors, producing feelings of pleasure; dark chocolate can increase its levels.