Mango, pineapple, and banana blended with coconut water, orange juice, and maple syrup — but the ingredient doing the real work here is lion's mane, a mushroom that's been getting attention for cognitive support rather than muscle or gut health like most smoothie add-ins. If that's new to you, The Best Smoothie Ingredients for Natural Energy and Better Focus gets into what it's actually doing in there and what else belongs alongside it.