- Food supplement - Used by the Aztecs and cultivated worldwide - Renowned superfood - Tablets make it easy to get into your routine Spirulina Maxima is a blue-green species of algae found in the oceans, and cultivated for food the world over. Used as a food source by the Aztecs since before the New World was discovered, spirulina has been growing popular in recent times after being rediscovered as a fantastic food source. Lindens Spirulina 500mg Tablets are an easy and convenient way to work this superfood into your daily routine.