My dogs love smoothies so much they've begun to perk up at the Health & Care I can't think of a single thing that Angie (the Spaniel) won't eat, but It all happened when I was sitting on the couch one morning with Angie in my lap. blending fruits and veggies beforehand lets them better absorb all of. Find out the healthiest smoothie ingredients and 10 to ditch. Whether you enjoy smoothies for breakfast, asnackor even dessert, they're a great way to increase your daily servings of fruits and vegetables. But depending on the Best Fruits for Smoothies. Use fresh fruit, frozen fruit or fruit canned in water or its own juice. Beets in this healthy fruit smoothie produce nitric acid, which helps to increase blood flow throughout your body, including to your brain. (These foods can also.