Almond milk and almond butter give this one a rich, slightly nutty base, rounded out with pineapple, banana, avocado, coconut cream, collagen, and blue spirulina. Collagen shows up in a lot of smoothies lately as a protein source, but it works differently than a scoop of whey or a spoon of yogurt. Greek Yogurt vs. Protein Powder in Smoothies covers where collagen and its alternatives actually stack up.