NT = SEROTONIN

AA = Tryptophan

Well-stocked = positive, confident, flexible, easy going

Poorly stocked = negative, obsessive, irritable, low confidence, sleepless

NT = CATECHOLAMINES

(dopamine, norepinephrine, adrenaline)

AA = Tyrosine

Well-stocked = energized, upbeat, alert, focused

Poorly stocked = lethargic, flat, ‘blahs’

NT = GABA

AA = GABA

Well-stocked = relaxed, stress-free

Poorly stocked = uptight, overwhelmed, stressed

NT = ENDORPHINS

AA = Phenylalanine

Well-stocked = feeling of comfort, pleasure, euphoria

Poorly stocked = crying easily, over-sensitive