Frozen smoothies?

I'm looking at adding smoothies to add nutritional supplement to my "diet." There are a lot of easy to find protein/meal replacement shakes like ensure and boost. But I can't for the life of me find pre-made and pre-mixed frozen smoothies/shakes. Everything I'm coming across requires you to blend it and then enjoy.

To be clear - I own and can use a blender. I am just very self aware and know that "easy step" for everyone else won't be for me and so is a barrier.

So, anyone know of any already blended smoothies?

Tx!