According to the joint research of the major Kashrus agencies all Slurpees are kosher and Parve except the following:

 

Barq’s Brand:  Caffeine-Free Root Beer (kosher only when bearing O/U)

The following flavors are kosher – Dairy

Fanta :  Banana Split and Pina Colada are both dairy, Cholov Stam)


Jolly Rancher:  (Note:  All Flavors are Dairy, Cholov Stam)

Yo Cream:  (Note: all flavors are Dairy, Cholov Stam)

Pepsi   (Note:  Diet Pepsi is dairy, Cholov Stam – Diet Pepsi Soda is Parve)

 

The following Slurpee flavors are NOT Kosher:

Horchata Ole – Not Kosher

Orange Barq Smoothie – Not Kosher

Strawberry Twizzler – Not Kosher

Monster Black – Not Kosher

Tropicana Grape Wild Strawberry – Not Kosher