Spirulina

With its 65% protein content, it is the food with the highest protein content. Spirulina protein contains all 8 essential amino acids, making it the most complete protein ever.
Spirulina contains vitamins A, B1, B2, B6, B12, E and K. In addition, spirulina contains minerals, trace elements, cell salts, phytonutrients and enzymes, chlorophyll and other pigments.