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Spirulina Side Effects, Interactions and Warnings

The data obtained show that Spirulina contains unusually high levels of gamma-linolenic acid, an essential polyunsaturated fatty acid.
- J AOAC Int 2001 Nov-Dec;84(6):1708-14 -- Fatty acid composition of Chlorella and Spirulina microalgae species. -- Otles S, Pire R. -- Ege University, Department of Food Engineering, Izmir, Turkey.

Samples of spirulina have also been found to be contaminated with animal hairs and insect fragments.
- Nakashima MJ, Angold S, Beavin BB, et al.-- Extraction of light filth from spirulina powders and tablets: collaborative study. -- J Assoc Off Anal Chem 1989;72:451–53.

May accumulate heavy metals from contaminated water, consuming blue-green algae from such areas can increase the body’s load of lead, mercury, and cadmium.
- Accumulation of mercury and other elements by spirulina (cyanophyceae). -- Johnson PE and Shubert LE. -- Nutr Rep Intl 1986;34(6):1063–71.

last update: March 2010

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