Smoothies are a go-to for breakfasts and afternoon pick-me-ups. They’re a great way to blend a bunch of nutrients, fruits, and veggies into one neat, tasty package. And while I have a good repertoire of recipes to pull from, I’m always on the lookout for more inspo—especially in the form of simple formulas, like the three nutritional psychiatrist Drew Ramsey, M.D., previously shared on his Instagram.