What is the primary mixer used in both Red Bull drinks?

The primary mixer used in both Red Bull drinks is sour. This refers to a sour mix, which is typically a combination of lemon or lime juice and simple syrup, creating a tart and sweet balance. This mix complements the energy and flavor of Red Bull, enhancing the overall taste experience. Sour mixers are common in many cocktails and beverages, particularly those featuring citrus flavors. They provide a refreshing and tangy note that pairs well with the carbonation and sweetness of the energy drink, thus making it an essential component for creating a well-balanced drink in this context.

While other options might represent mixers that are commonly used in different types of beverages, they do not serve the same role as the sour mix when it comes to creating drinks with Red Bull.