What is the ingredient for the Peach smoothie?

The ingredient for the Peach smoothie is indeed the peach smoothie mix because it is specifically designed to create the flavor profile associated with a peach smoothie. This mix typically contains peach puree or flavoring that captures the essence of fresh peaches, providing the desired sweetness and fruity taste that defines a peach smoothie.

In contrast, the other options consist of different smoothie flavors: the pina colada smoothie mix is tropical, the wildberry smoothie mix consists of various berries, and the mango smoothie mix features mango flavors. Each of these mixes is tailored for their specific fruit profiles and wouldn't yield the same taste or experience as using the peach smoothie mix. Therefore, using the correct mix is essential for achieving the authentic flavor of a peach smoothie.