Spirulina is a blue-green vegetable alga, and an abundant source of protein, amino acids, phytonutrients, iron, antioxidants and B-vitamins. M. Eric Gershwin, from University of California/Davis (UCD; California, USA), and colleagues studied 40 seniors, mean age 63 years, wjo took 6 tablets of 500mg spirulina daily for 12 weeks. The team measured Immune function via complete blood cell (CBC) counts and indoleamine 2,3-dioxygenase (IDO) enzyme activity, with results showing that over half of all participants receiving spirulina had higher IDO activity after 6 and 12 weeks; in particular, this effect was striking in men, with over 75% of study subjects manifesting the benefit. Further, spirulina was associated with a steady increase in corpuscular hemoglobin, thereby aiding to “ameliorate anemia and immunosenescence in older subjects.”
Carlo Selmi, Patrick SC Leung, Laura Fischer, Bruce German, Chen-Yen Yang, Thomas P Kenny, Gerry R Cysewski, M Eric Gershwin. “The effects of Spirulina on anemia and immune function in senior citizens.” Cell Mol Immunol, January 31, 2011.
Dietary fiber may reduce the risks of death from cardiovascular, infectious and respiratory diseases, or death from any cause over a 9-year period.
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