What Is Spirulina?
A fresh water algae commonly known as Spirulina isn't actually Spirulina.
The Spirulina with a long history of being used for food and commonly sold as supplements is actually Arthrospira. Both Spirulina and Arthrospira are cyanobacteria in the Oscillatoriales order and Arthrospira has been called Spirulina for so long, it continues to be used today.
Arthrospira grows naturally in tropical and subtropical lakes with high pH and high concentrations of carbonate and bicarbonate. Arthrospira platensis is found naturally in Africa, Asia and South America, but Arthrospira maxima only grows naturally in Central America.
As Spirulina, Arthrospira is cultivated world wide, and used by humans as a whole food and as a dietary supplement in tablet, flake, and powder form. It is also used as a feed supplement in the aquaculture, aquarium, and poultry industries.
Brief History of Spirulina
It is believed that the use of Spirulina as a food source in Chad, the "Dead Heart of Africa", dates as far back as the 9th century Kanem Empire. It is still used daily today, dried into cakes called Dihé, which are then used in broths. The Spirulina is harvested from small lakes and ponds around Lake Chad.
In the Americas, there is evidence that Spirulina was a food source for the Aztecs and other Central American societies until the 16th-century. The harvesting it from Lake Texcoco in Mexico and the sale of Spirulina cakes is described by one of Spanish conquistador Hernán Cortés' soldiers in the Florentine Codex.

(Depiction of harvest of spirulina and the cakes made from the algae. Illustration from the Florentine Codex, Late 16th century - Wikipedia)
The Aztecs called it Tecuitlatl, meaning stone's excrement. Spirulina was found in abundance at the lake by French researchers in the 1960s, but there is no reference to its use there as a daily food source after the 16th century.
The first large-scale Spirulina production plant was established at Texcoco in the 1970's. Today, the largest commercial producers of Spirulina are located in the United States, Thailand, India, Taiwan, China, Pakistan and Myanmar (Burma).
Commercially cultivated Spirulina is usually grown in shallow artificial ponds called Raceway Ponds.
So What Is Spirulina Good For?
Spirulina is a "super food" and may eliminate the need for taking extra supplements.
- "Spirulina is one of the most concentrated natural sources of nutrition known. It contains all the essential amino acids, is rich in chlorophyll, beta-carotene and its co-factors, and other natural phytochemicals. Spirulina is the only green food rich in GLA essential fatty acid. GLA stimulates growth in some animals and makes skin and hair shiny and soft yet more durable. GLA also acts as an anti-inflammatory, sometimes alleviating symptoms of arthritic conditions.
"Spirulina acts as a functional food, feeding beneficial intestinal flora, especially Lactobacillus and Bifidus. Maintaining a healthy population of these bacteria in the intestine reduces potential problems from opportunistic pathogens like E. coli and Candida albicans. Studies show when spirulina is added to the diet, beneficial intestinal flora increase."
- The Study of Spirulina Effects on the AIDS Virus, Cancer and the Immune System
- "Spirulina offers remarkable health benefits to an undernourished person. It is rich in beta carotene that can overcome eye problems caused by Vitamin A deficiency. The protein and B-vitamin complex makes a major nutritional improvement in an infant's diet. It is the only food source, except for mother's milk, containing substantial amounts of an essential fatty acid GLA that helps regulate the entire hormone system."
- IIMSAM - Benefits of Spirulina
(Intergovernmental Institution
for the use of Micro-algae
Spirulina against Malnutrition)
There are warnings that some of the claims of Spirulina's benefits may be overstated:
- "There are claims (as with every so-called Superfood) that spirulina can fight cancer, slow HIV progression and more. Of course, these claims are generally overstated or refer to the individual nutrients in spirulina in high laboratory doses."
- Health and Nutritional Benefits of Spirulina
Overall, it seems clear that Spirulina is a valuable source of nutrition:
- "Spirulina is sustainable food, offering more nutrition per acre than any other food. It is able to provide 20 times more complete protein per acre than soybeans, and 200 times more per acre than beef. It contains the eight essential amino acids as well as ten non-essential amino acids, making it an excellent choice for anyone not consuming animal protein. It is rich in enzymes, chlorophyll, magnesium, potassium, calcium, and phosphorous. It is rich in B complex vitamins including B6, biotin, B12, pantothenic acid, folic acid, inositol, niacin, riboflavin and thiamine. It is a good source of essential fatty acids, including linoleic, and arachidonic acid. Spirulina contains 4,000 mg/kg of carotenoids as alpha and beta carotene, xanthophylis, cryptoxanthin, echinenone, zeaxanthin, and lutein."
- Add Spirulina to Your Diet and Replace those Expensive Supplements
I've only had one cold since I began taking it on a daily basis in 2005, compared to normally coming down with at least one minor cold, or touch of the flu each year before that.
Nature's Way Spirulina
Nature's Way® is my personal choice for Spirulina, it is powered and comes in gel caps which are easy to digest:
Encapsulated Spirulina grown in environmentally controlled cement ponds specially constructed for this purpose.
Spirulina may be considered a dietary 'super food' useful in nutrient boosting diets such as the programs competitive athletes use to enhance performance.
Spirulina is naturally rich in beta carotene (provitamin A), vitamins B12 and E, minerals, iron, amino acids, GLA, protein, chlorophyll, probiotics, enzymes, and antioxidants which may improve energy, vitality, digestion, assimilation, elimination, memory, mental clarity, depression, weight reduction, neurological function, cholesterol levels, blood pressure, arthritis, PMS, eczema, skin, bones, immune function, inflammation and metabolism.
Click here to purchase
Nature's Way Spirulina - 100 caps
Earthrise Spirulina Powder & Caps
Earthrise® introduced Spirulina to the natural foods market in 1979. In 1982, they built the first U.S. Spirulina farm to grow it in the pure California desert sunshine using ecological, earth-friendly methods.
Today, Earthrise Nutritionals' farm is the world's largest Spirulina farm. Earthrise products are marketed in the USA and in 30 countries on six continents.
Supports Immune System: A healthy immune system defends, cleans and maintains the body. Scientific studies show Spirulina supports immune system health.*
Boosts Energy: Earthrise Spirulina boosts energy by providing your body with the nutrients it needs for peak performance.*
3 Vegetables a Day: Just 3 grams of Earthrise Spirulina a day provides the antioxidants and phytonutrients of three servings of vegetables. Maintains Healthy Cholesterol: Limited scientific studies show Spirulina can contribute to healthy serum cholesterol levels.*
Promotes Cellular Health: Natural Beta Carotene is an antioxidant nutrient which may help maintain cellular health. Spirulina has a high content of natural Beta Carotene in an antioxidant complex of ten carotenoids, synergistically promoting health at multiple sites in the body.*
60% all-vegetable protein and one of nature's best sources of vitamins, minerals and amino acids in a whole food. Easy-to-digest so nutrients are absorbed quickly.
Potent phytonutrients: the antioxidant Beta Carotene, the rare essential fatty acid GLA, sulfo-glycolipids and polysaccharides.
Its deep green color comes from its rainbow of natural pigments - chlorophyll (green), phycocyanin (blue) and carotenoids (orange) - that harvest the sun's energy.
Take 3 grams of powder a day.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Click here to buy
Earthrise Spirulina Nat Pwd - Powder, 16 oz
Earthrise Spirulina - Natural, 600mg 150 caps
Earthrise Spirulina - Natural, 600mg 300 caps
Earthrise Spirulina Greens Blend
Earthrise Spirulina Greens Blend Description: Spirulina Greens Blend combines Earthrise Spirulina with other nutritious and natural green products to help you nourish, refresh and revitalize your body.
What's so special about Earthrise Greens Blend?
Spirulina Greens Blend is a simple, whole food blend featuring concentrated sources of vitamins, minerals, enzymes, essential amino acids, and phytonutrients. It is a synergistic blend of nature's most powerful plant foods designed for health conscious individuals.
Spirulina Greens Blend only has a few ingredients so as to deliver to a significant and meaningful quantity of each.
Click here to buy
Earthrise Spirulina Greens Blend - 120 caps
Earthrise Spirulina Greens Blend - 240 caps
Raw Revolution Bars - Spirulina Cashew, 12 Units / 2.2 oz

A little taste of heaven is what these delicious Raw Revolution living raw food bars offer:
- 6-8 all organic ingredients like cashews, almonds, sprouted flax and raw agave nectar - to name a few
- One year shelf life
- Naturally vegan, organic, kosher, dairy free, wheat free, gluten free, soy free, and peanut free.
Click here to buy
Raw Revolution Raw Revolution Bars - Spirulina Cashew, 12 Units / 2.2 oz
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Spirulina For Sale On Ebay
Helpful Spirulina Links
- Spirulina (dietary supplement) - Wikipedia, the free encyclopedia
- Spirulina is the common name for human and animal food supplements similar to Chlorella and Aphanizomenon flos-aquae (Blue Green Algae.) Spirulina comes from two different species of cyanobacteria: Arthrospira platensis, and Arthrospira maxima. These and other Arthrospira species were once classified in the genus Spirulina. There is now agreement that they are a distinct genus, and that the food species belong to Arthrospira; nonetheless, the older term Spirulina remains the popular name. Spirulina is cultivated around the world, and is used as a human dietary supplement as well as a whole food and is available in tablet, flake, and powder form. It is also used as a feed supplement in the aquaculture, aquarium, and poultry industries.
- Spirulina - University of Maryland Medical Center (UMMC)
- Spirulina is a type of blue-green algae that is rich in protein, vitamins, minerals, and carotenoids (a type of antioxidant that can help protect cells from damage). It contains nutrients, including B complex vitamins, beta-carotene, vitamin E, manganese, zinc, copper, iron, selenium, and gamma linolenic acid (an essential fatty acid).
Spirulina -- like any blue-green algae -- can be contaminated with toxic substances called microcystins, and can also absorb heavy metals if any are present in the water where it is grown. For these reasons, it is important to buy spirulina from a trusted brand. - Spirulina - Google Book Search
- My library | Sign in _OC_autoDir('vheadq'); About this book Preview this bookSpirulina By Jack ChallemPreview this book Buy this book McGraw-Hill Professional Amazon.com Barnes&Noble.com - $3.95Books-A-Million Borders - $3.95Indie Bound Google Product Search Borrow this book
- InteliHealth: Spirulina
- * Evidence
* Unproven Uses
* Potential Dangers
* Interactions
* Dosing
* Summary
* Resources - Chlorella and Spirulina - superfoods for health
- Superfoods For Optimum Health: Chlorella and Spirulina
by Mike Adams, the Consumer Wellness Research Center - page 1 of 39 Here's
the entire book on chlorella and spirulina that everyone's
been talking about. It's free. No tricks, no gimmicks. Read and
enjoy! (We don't sell chlorella. We are 100% non-profit.)
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Enjoy This Lens On Spirulina?
Comments? What Do You Think About Spirulina?
Laniann wrote...
Many years ago I was drinking Spirulina every day, I stopped because I couldn't stand the taste anymore. It really is such a good source of nutrition - I think I will put Spirulina back in my diet. Thank you for the reminder. 5*s
GrowWear wrote...
Very informative and well-done lens. Much success to you with your Giant Squid aspirations!
mulberry wrote...
I have never heard of this. Interesting. It looks pretty but not edible! Glad they have it in pill form.
Apex-Professionals-LLC wrote...
I had never even heard of this stuff before. Very well written lens! Learn something new ever day ;-)
lakeerieartists wrote...
This is really informative. I learned a lot from this lens.
Joan4 wrote...
Great educational lens - I did not know about this. Thank you. Sounds like we all need to be taking Spirulina!
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