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Tyrosine #814
Tyrosine acts as a mental alertness booster by synthesising itself into dopamine; a compound which improves the transport of messages between nerve cells and neurons. Tests on animals show that Tyrosine can have an effect on mood and alertness. When used in combat, this booster will provide a massive bonus to dexterity.
User becomes Sharpened, increasing Dexterity by 500% for 120 seconds.
Bachelor of Biology education course.
Buy Price
Sell Price
Weapon Info
Weapon Type

Tyrosine is a Temporary weapon that can be purchased from and sold to the Pharmacy and can be found as city find.

Tyrosine can be also sold for $450,000 to Big Als' Gun Shop.

Tyrosine can be found from following crimes:


Upon use, the user becomes Sharpened, increasing Dexterity by 500% for a duration of 120 seconds.

This effect is stackable with Serotonin, Melatonin and Epinephrine.

The effect is lost when player ends up in hospital.

Tyrosine effect can be increased passively:

  • by 50% with Gents Strip Club 5* special Supple. This company special also increases Tyrosine duration from 120 seconds to 180 seconds.
Tyrosine effectivness and duration
Source Effectivness Duration
Default 500% 120 seconds
Only education 550% 120 seconds
Only company special 750% 180 seconds
Education & Company 800% 180 seconds

See Also

Serotonin, Melatonin, Epinephrine

Patch History

Released in Patch list #