Question

Ralston purina offers super-premium dog foods based on "life-stage nutrition." the repositioning strategy ralston purina is using here is called

Answer 1

The strategyn Ralston Purina used is called Trading Up.

Trading up is making the number of features in a product that increases. For an example, making it's quality better, adding extra details etc. They do that sometimes to make the price of their product to go up.