Spirulina is an amazing source of plant protein. It’s plentiful in Vitamin B12, Vitamin A, iron, and is a great source of chlorophyll that treats acne, reduces inflammation, prevents and treats constipation, heals the digestive tract, purifies the blood, and eliminates toxins. One teaspoon of spirulina boasts 70% of your daily iron requirements, 888% of your daily requirements of Vitamin A, 81% of your daily Vitamin B12 requirements, and 4 grams of protein. Studies have found spirulina can help to prevent inflammation in the body. Spirulina also clears the mind and soothes the whole body.