This is my super fast go-to smoothie. It's just frozen fruit and kefir and collagen powder. Berries are some of the most powerful nutrient-dense fruits. They feed the microbiome and grow those good bacteria that keep your immune system strong and healthy. Collagen is found almost everywhere in the body, but it is most abundant in the skin, bones, tendons, and ligaments. It also helps to hold our tissues together and gives strength to our skeleton. It also makes your smoothies creamy and yummy, and it helps so many things that you might want to take a look at this article. Are You Getting Enough of This Powerful Protein?