Is it healthy to have a smoothie for breakfast?
What are the healthiest things to put in a smoothie?
Protein, such as a commercial protein powder, Greek yogurt (which is higher in protein than regular yogurt) or nut butters.

Fruit, including berries, mango, bananas and avocado.
Greens, such as spinach or kale.
A liquid base such as dairy or plant-based milk, water or fruit juice.