Collagen is included as an ingredient that makes the composition more interesting than a standard cookie. It is a type of protein.
In the context of food products, collagen is often chosen by people as part of a broader beauty or active-lifestyle regimen. Its inclusion here contributes to the total protein content of the snack.
It is important to understand that a single cookie is not a significant source for targeted effects. The collagen is simply one component of the formula. If you are considering collagen specifically for dietary reasons, it should be part of a consistent, long-term intake from various sources, not based on one occasional snack.
Always check the full ingredient list if you have specific dietary preferences, restrictions, or sensitivities.