Clean Spirulina is cultivated in fresh potable water from Hawaiian aquifers and ultra-pure, deep ocean water containing 94 trace minerals & elements. A daily intake of 3 grams per day are obtained with six 500 mg tablets per day.
Clean Chlorella is a nutrient dense aquatic botanical. Start with one or two tablets per day. Over time, daily intake can be increased slowly to 20 tablets per day. 4 grams per day are obtained by taking 20 of the 200 mg tablets per day.
If you have never taken BlueGreen Algae (BGA) or Chlorella, then you might want to start with one or two tablets per day. After you are comfortable with small amounts of BGA or Chlorella, slowly increase to the suggested maximum of 3 grams per day for BGA and 4 grams per day of Chlorella.
References
Bachstettler, Adam D. et al. (2010) Spirulina Promotes Stem Cell Genesis and Protects against LPS Induced Declines in Neural Stem Cell Proliferation. Plos One. Available: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2864748/
Ku, C.S., Yang, Y, Park, Y, & Lee (2013) Health Benefits of Blue-Green Algae: Prevention of Cardiovascular Disease and Nonalcoholic Fatty Liver Disease. Journal of Medicinal Food 2013 Feb; 16(2): 103-111. Available: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3576896/