India is a country with heterogenic population having diverse food habits. Cost of health care has become a driving force in the shift towards a greater recognition between diet and health care This has spawned a new era of research leading to the use of few natural unprocessed foods like blue-green algae “spirulina” which has a galaxy of nutrients as diet supplements.The purpose of the present review is to compile evidence regarding the health benefits of spirulina. This review reveals that the greatest amount of evidence on health benefits are its effect in preventing anaemia,blood sugar and obesity .Relevant papers were identified from Science Direct, Google Scholar and pubmed by using all combinations of the search terms related to spirulina and health.

Keywords: Spirulina; Blue-Green Algae.