## Benefits
- enhance cognitive performance when under stress or high cognitive demand:
- working memory
- information processing
- this is because the above drain catecholamines, which then need to be regenerated
- Can improve alertness and motivation
## Side Effects
- Nausea, headache, fatigue, ehartburn, joint pain
- Has a role similar to [[Concerta]] since that blocks reuptake, and this is the precursor material
## Science
- Found from protein
- > precursor for the synthesis of catecholamine neurotransmitters – dopamine, norepinephrine (noradrenaline), and epinephrine (adrenaline) – as well as thyroid hormones.
## Dose
- Do not take every day since you are not stressed every day
- 500-2000mg per day
- Up to 100-150mg/kg, 30-`0 mintues before stressor
- Best on an empty stomach
- Early in the day to prevent insomnia