actually, im consuming spirulina from 2006. since, im vegetarian i,ve to concentrate on taking balance nutrients. otherwise easily i'l get tired and sick. once i started to take spirulina, i always feel energetic and my immune system become stronger than before. spirulina is a organic health food and considered as a multivitamin. moreover, it contains beneficial pigments such as chlorophyll and phycocyanin which cannot be find in other multivitamins...