Is Chlorella A Good Source of GABA?

Chlorella is a freshwater algae that is a rich source of many nutrients., These nutrients give chlorella particular health effects. Animals and plants have the ability to synthesise GABA, an amino acid that is used in animals as an inhibitory neurotransmitter in the central nervous system. In some cases the GABA content of foods can be increased through manufacturing techniques and this high GABA food may be beneficial to the health because it can alter normal physiological parameters such as blood pressure. In the case of chlorella, growth of the algae in high glutamic acid media allows the algae to produce high amounts of GABA, as glutamic acid is the precursor to GABA. Studies show that administration of such high GABA chlorella to human subjects is significantly effective at reducing high blood pressure. These results suggest that algae like chlorella can be used as a vehicle for GABA and that when consumed there are tangible and measurable changes to the physiology of the subject.

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Shimada, M., Hasegawa, T., Nishimura, C., Kan, H., Kanno, T., Nakamura, T. and Matsubayashi, T. 2009. Anti-hypertensive effect of γ-aminobutyric acid (GABA)-rich Chlorella on high-normal blood pressure and borderline hypertension in placebo-controlled double blind study. Clinical and Experimental Hypertension. 31(4): 342-354

About Robert Barrington

Robert Barrington is a writer, nutritionist, lecturer and philosopher.
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