Chlorella is a unicellular algae, naturally rich in phytonutrients that constitutes a natural source of proteins and amino acids in perfect proportion. Improve the immune system, because viruses, infections and different types of flu are one of the reasons why we can appear constantly exhausted. Recommended Dosage: Start the First Week taking 1-2 Tablets per day, and from the Second Week Increase to a Total of 3-6 Tablets per Day.