The Rutger Hauer is introduced in the season one episode "Permadeath" as fortified port wine mixed with drip coffee and three teaspoons of sugar. It is unknown whether CW had variations, told people different ingredients, or simply was forgetful in his old age, but the original recipe he introduced to Jen and David did not contain cough syrup.
When they get the email offer, Poppy looks to the ceiling and screams with her arms wide open but in the next shot she's still screaming but her arms are at her sides.