It is recommended to drink your greens as early in the day as possible, preferably for breakfast or as a mid-morning snack. Green smoothies are a great way to get your daily servings of greens and provide an energy boost to help you start your day. Drinking green smoothies in the morning can help you focus and improve your cognitive performance. Additionally, green smoothies can help you reach your daily nutritional goals and provide essential vitamins, minerals, and fiber.