Heart healthy green smoothie No. 3: The vitamin C powerhouse Spirulina is something I put in my green smoothies almost every day. It is a protein rich, velvety green powder that is one of the most nutritious and concentrated food sources on the planet. I have put 1 tsp in this recipe. After you get used to it, you can slowly increase the amount up to 1 Tbsp a day. You will definitely want to take advantage of the health benefits of this smoothie ingredient. What I love about it is it packs such a huge punch within the tiny amount [...]