SPIRULINA (blue-green algae): Benefits, Uses and Virtues of Spirulina? Medicinal properties? Dosage? Side-effects? Origins, Composition, Expert opinions, Combination with other plants and algae, and more Information on Spirulina.


Spirulina is considered a “superfood”. It is a microalga that is extremely rich in proteins, iron, beta-carotene (30 times more than carrots), vitamins, minerals, trace elements… Governments have begun to rely more and more on this alga for combating malnutrition throughout the world, and research into the anti-cancer properties of Spirulina has become more and more active. In any case, Spirulina is an extremely rich, complete alga that is a perfect fit for high level athletes, as well as convalescents.

Spirulina: Medicinal properties

Anti-disease – Anti-cancer – Disintoxication

immunité– powerful antioxidant, anti-aging (+++)
– helps to prevent cancer (++) (not enough studies as of today, but its rich composition provides considerable protection for the body)
– convalescence (+++) (synergy with Ginseng)
– stimulates the immune system (+++)
– reinforces the potential of our immune defenses (++)
– detoxifies the body of heavy metals, pollutants, harmful radiation (+++) (synergy with Chlorella)
– protection from radiation (++)
– effective for combating anemia (+++)
– reduces high cholesterol levels (+++) (frequent usage)
– protects and reinforces all vital organs (++)

– protects from diseases and infections (pharyngitis, flu, colds, laryngitis…) (++)

Energy – Sport – Muscles

force– muscular fatigue, high level athletes (+++) (synergy with Maca and Tribulus)
– stimulant and tonifying effects on the body (+++)
– restores energy and vitality (+++)
– reduces sensation of fatigue (++)
– increases endurance (++) (synergy with Rhodiola and Tribulus)
– promotes gain of muscular mass (++) (strong protein content)
– reduces muscular cramps (++)
– oxygenates the body and muscles (++) (thanks to the chlorophyll present in Spirulina)



Balance – Stress – Memory

mémoire– promotes general well-being (++) (synergy with Ashwagandha)
– balances the nervous system (++) (synergy with Ginseng)
– nervous muscular spasms (++)
– reduces stress, anxiety, nervousness (+)
– depression, insomnia (+)
– promotes restorative sleep (+)
– improves concentration (+) (synergy with Rhodiola)
– problems associate with old age (+)
– memory problems (++)
– reduces high blood pressure (+)


Skin – Eyes – Hair

– protective action on the skin (++) (synergy with Aloe vera)
– protective action on the eyes (++)
– fortifies nails (++)
– fortifies hair (++)
– restores sheen to hair, skin and nails  (++)

– promotes healing and scarring of injuries (++)



Cholesterol – Diet – Painful and overly frequent periods

digestion– reduces high levels of cholesterol (+++) (synergy with Ginseng)
– diabetes, regulates blood sugar level, glycemia (++) (synergy with Ginseng)
– regulates appetite (++)
– cleans up intestinal flora ++)
– reduces sensation of hunger, notably while dieting (++)
– permet d’éviter les carences lors d’un régime (+++) (synergy with Goji Berry)
– stimulates the creation of good bacteria necessary for digestion (++) (lactobacillus)
– some light intestinal problems (+) (unconfirmed usage)
– reduces painful periods (++)
– reduces overly frequent periods (++)
– reduces sensation of fatigue during menstruation (++) (Spirulina is very rich in iron)
– helps to reduces the symptoms of menopause (++)
– helps to cope better with pregnancy (++)



Spirulina: Origins

Spirulina is an ancient alga, and is said to have been present at the beginning of life on earth. It has defended itself against all aggressions and survived through centuries of time and climatic upheavals. The Aztecs and Incas were among the first to cultivate this blue-green alga, as a complete food, which allowed them to feed their very large population, in combination with another very rich plant: Maca. There are 2 main existing species of Spirulina: Spirulina maxima which comes from Mexico and Spirulina platensis from Chad. Spirulina develops naturally in Andean lakes of volcanic origin, as well as in Lake Texcoco in Mexico.However, it also grows in Africa in the great lakes, particularly in Chad. Today, the high level of interest in this micro-alga and the increase in demand has clearly developed its culture across the world. Recently more and more countries have decided to cultivate Spirulina for its nutritional values, including China, Thailand, INdia, Hawaii and some US states such as California. The most beneficial and complete natural species seems to be that which grows in Mexico. Algae normally grow completely organically and do not require any pesticide. When Spirulina is harvested, it is dried in the sun.

Spirulina: Composition

Spirulina is a very complete alga. It has a very high nutritional value, which allows it to prevent nutrient deficiencies. It contains an enormous amount of proteins, from 50-70% which is exceptional. Spirulina is also rich in essential fatty acids, trace elements, minerals: iron (20 times more than wheat germ), magnesium, calcium, phosphor, potassium, selenium, sodium,  chromium, as well as essential amino acids. More, Spirulina is rich in vitamins A, B1, B2, B3, B6, B7, B8, B12, D, E, K but especially beta-carotene (Provitamin A) and vitamin B12. Its beta-carotene content is 30 times more than carrots, which is exceptional. Its vitamin B12 content is 4 times more than raw liver, already a good source for the body. Spirulina also contains some essential fatty acids including Omega-6. It contains a large quantity of chlorophyll which plays a purifying role and protects the body. Spirulina contains many elements necessary to the healthy functionong of the immune system and nervous system. The assimilation of all its components is generally well managed by the body. Due to its ultra rich composition, Spirulina is used to fight malnutrition across the world.

Spirulina: Dosage

It is recommended to take 2-6 g of Spirulina per day. Some people recommend up to 10 g/day, knowing that 10 grams is a high dosage. The first effects of Spirulina are felt even in weak doses (800mg). Spirulina can be absorbed with a good glass of water, but also with fruit or vegetable juices.

Spirulina: Ultimate effects, benefits, virtues

Spirulina is particularly recommended to athletes wishing to avoid deficiencies and muscular fatigue. Spirulina also responds very well to the needs of convalescents. Moreover, due to the richness of its composition, Spirulina is effective in protecting the body, stimulating the immune system and detoxifying the body of heavy metals and other pollutants. It is often alternated with Chlorella as a course of treatment for detoxifying the body. Spirulina is also very useful for combating excessive blood cholesterol and diabetes and for regulating the level of glycemia in the blood. Spirulina is also very effective for combating anemia. In addition, Spirulina is a friend to women with painful or overly frequent periods. Finally, Spirulina is very useful when dieting because it prevents deficiencies and helps to better manage hunger.

Spirulina: Side-effects, contraindications

Spirulina is safe to use, but the recommended dosage must not be exceeded. Spirulina can provoke more than a few light side-effects, by virtue of the fact that it detoxifies the body. It is thus recommended to start with weak doses, which are gradually increased. Spirulina can provoke migraines or light fever; for some it can cause constipation, for others diarrhea (particularly in strong doses). It can cause the appearance of red spots, bring light stomach pains, provoke black or green stools (because it detoxifies the colon). Spirulina can also cause a temporary weakening of the liver (by virtue of the fact that it contains many vitamins and minerals), as well as kidney problems in very strong doses (over 10 grams per day). It must be remembered that all these side-effects are the result of detoxification and purification. Reduce dosage and then increase gradually again. Do not use Spirulina for more than 3 consecutive weeks; take a break and alternate with Chlorella.

Spirulina is not recommended to persons suffering from fever, nor to those allergic to algae.

Spirulina: Opinions of experts

Spirulina is said to have been present on earth for more than 3 billion years. It is extremely rich and, in the future, Spirulina may play a major role in the fight against malnutrition. As regards its anti-cancer benefits, no scientific proof has yet been advanced, but due to its rich composition, it helps to prevent deficiencies, provides a fortifying action and provides considerable protection for the body against diseases and other infections. Thus, Spirulina is an excellent detoxifier, which makes it a good barrier against radioactivity, as well as all the heavy metals responsible for poisoning the body.

Spirulina: More information

Care should be taken when ordering Spirulina; it is important to ensure the good quality of Spirulina. Try to confirm the origins of the product you buy, or contact the seller for more information, because Spirulina has a tendency to easily absorb all pollutants and heavy metals (this is also one of its most beneficial actions for the body). Care should be taken that it is not contaminated at its origin – make sure to confirm where it has been produced, as this plays an important part in its overall quality.

Spirulina is often alternated with Chlorella (for detoxifying the body) as a course of treatment – 3 weeks of Chlorella / 1 week’s rest / 3 weeks of Spirulina. Or Spirulina+Chlorella together. It can also be combined with Ginseng (convalescence, fatigue, nervous balance, cholesterol, diabetes), but also Ashwagandha and especially Maca (very rich plant, athletes, energy, libido), Rhodiola (nervous balance, fatigue, concentration, endurance, oxygenation of the body), Milk Thistle and Turmeric (detoxification, help to prevent cancer, blood purification, liver protection), Acerola and Wolfberry (for its excellent vitamin C supplement, powerful antioxidant, natural anti-aging, immunity).

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