What is the healthiest food you can eat? Americans continue to improve their diets and eat better foods. We can see those trends in the loss of market share by old school fast food giants such as Mcdonalds and the gradual rise of Whole Foods and stores like Walmart are now selling organic foods. There are many foods with varying amounts of nutritional content, Spirulina stands out being rich in B vitamins, magnesium, copper, iron and more, this superfood is both low in carbohydrates and in calories as well. Spirulina comes from the sea in the form of algae. Check out this great blog post on Spirulina Why Spirulina May be the Planet's Most-Nutritious Food Posted on September 12, 2015 by Brad Hoppmann Gram for gram, spirulina may literally be the single most nutritious food on the planet. You may have never even heard of this nutrient-packed "powder house." But after today, you'll know all about how beneficial spirulina can be to your health and exactly how you can incorporate it into your daily routine. Spirulina is a type of blue-green algae that grows in both fresh and salt water. A single tablespoon (7 grams) of dried spirulina powder contains: Protein: 4 grams Vitamin B1 (Thiamin): 11% of the Recommended Dietary Allowance Vitamin B2 (Riboflavin): 15% of the RDA Vitamin B3 (Niacin): 4% of the RDA Copper: 21% of the RDA Iron: 11% of the RDA Read more here