General Description
Spirulina is a blue-green algae found in the oceans and in alkaline
lakes of Africa, Mexico, and South America. It occurs as filaments
less than 1 mm long, consisting of transparent cells stacked end-to-end,
taking on the spiral shape for which the algae is named. Often billed
as a "superfood," dried spirulina is an excellent source of protein
and also contains vitamins, minerals, and essential fatty acids.
Most commercially avialable spirulina is cultivated in immense artificial
ponds at Lake Texcoco, Mexico.
Health Applications
- General nutrition
- Immune system support
Primary Uses
Spirulina is most commonly used as a nutrient-rich tonic to promote
overall health. Animal studies indicate that compounds found in
spirulina may have antitumor,1-3 antiviral,4
and immune-enhancing activity;5-7 however,
these effects have not been demonstrated in human subjects.
Dosage/Toxicity
A typical recommendation for spirulina consumption is three 1
gram servings per day, with meals. Spirulina appears to be very
well tolerated, with no known side effects. Animal studies have
found no signs of toxicity for spirulina, even at very high intakes.8,9
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