Spirulina platensis is a symbiotic, single celled, filamentous blue green algae; rich in micro and macro nutrients.Botanists term it as micro algae, while microbiologists prefer the term Cyanobacterium. It is used as a complementary dietary ingredient not only in humans but also, as a feed for fish ,shrimp and poultry as well as proteins and vitamin supplements for aquafeeds.It is also known to increases the CD4 cells count and strengthens immune system. Hence it is called as poorman’s HAART (Highly Active Anti Retroviral Therapy).It contains more iron than spinach, 10 times more Beta carotene than carrots, 31 times more phytonutrients than blue berries and it is 700times more potent in antioxidants than apples.It has an excellent anti-inflammatory and anti-aging property. NASA has found that spirulina had 60 times more absolute iron content than conventional iron capsules