In  the bundle : 
dopamine precursor 800mg tyrosine- 60 capsules - 2 months supply
natural theanine supplement 250mg - 60 capsules- 2 month supply 

Tyrosine is a natural isolated nutrient and the building block to dopamine. World's 1st natural 800mg tyrosine capsule from fermented corn.

Theanine is a natural nutrient extracted from green tea that promotes feelings of calm by increasing relative concentrations of your relaxation chemical, GABA.  Each capsule contains the same amount of ltheanine found in 15-20 cups of green tea

L tyrosine vs l theanine 

Tyrosine is a natural isolated nutrient and the building block to your reward and pleasure chemical messenger; dopamine. Dopamine is your reward and pleasure chemical also linked to motivation. 

Theanine is responsible for green tea’s calming effects. It promotes relaxation without sedation  makes them ideal for anybody looking to relax but maintain performance and clarity