What is spirulina?

Spirulina is mainly made up of proteins and contains all the amino acids essential to our body. It is also rich in vitamins, minerals and active compounds that have beneficial effects on our health.

Spirulina can be consumed without any danger. Its safety as a food has been established by centuries of human use and rigorous toxicological studies. It has also proven its benefits on many occasions.

The benefits of spirulina.

Spirulina and renewed energy

Thanks to its high concentration of mineral vitamins, spirulina makes it possible to fill the deficiencies regularly observed and due to the current often unbalanced diet.

The recommended daily dose of 5g covers a good part of the recommended intakes of iron (37%), vitamin A (74% as a precursor) and B12 (21%). These three elements stimulate concentration, increase energy and promote the enzymatic reactions that cause the body to function. The richness of other energy components. Phycocyanin is responsible, for example, for improving performance in sportsmen and women and for recovery.

Spirulina and immune system

The immune system is our body’s system of protection against all attacks by pathogenic organisms, such as bacteria, viruses and other parasites, as well as against cancer cells and all agents identified as foreign or external.

A nutritional deficiency significantly reduces our immune defence capacity, a balanced diet being one of the keys to effective immunity.

Spirulina and allergy

Spirulina is able to vary the performance of the immune system by regulating its response, it is immunomodulatory. It limits or inhibits reactions to allergic phenomena. A cure in the spring helps to reduce allergy attacks for people with hay fever.

Spirulina and cancers

More than 1/3 of cancer deaths are reported to be influenced by nutrition. A varied and balanced diet provides many nutrients with preventive properties and improves the effect of conventional therapies while reducing side effects. The antioxidants in fruits and vegetables (vitamins C, E, B-carotene) protect against the controls associated with cell aging caused by free radicals.

It is physiological and is called “oxidative stress”. When the antioxidants provided by food are no longer sufficient, this stress becomes too high and therefore pathogenic, there is a risk of cancer cell multiplication. Many studies attest to the anti-cancer properties of spirulina thanks to its antioxidant effect provided by B-carotene, zeaxanthin, enzymes such as superoxide dismutase or phycocyanin. Spirulina is an agent for preventing and accompanying cancer (colon, pancreas, times…), protecting against the harmful effects of UV-b rays (anti-melanogenic).

Its antioxidant action also gives it an ocular protection capacity (against cataracts, among other things) and protection against neurodegenerative diseases (Alzheimer’s, Parkinson’s) it reduces memory loss.

Spirulina and viruses

As seen above, spirulina has the ability to modulate the immune system. Many studies have focused on patients with HIV and it seems that spirulina can have many effects. It allows the increase in the number of certain immunity cells and the reduction in the number of circulating viruses after 6 months. It helps to delay the onset of cardiovascular or diabetic pathologies. Spirulina therefore has an action on the virus itself as well as on the sensitivity to infections, viruses and related metabolic pathologies.

Spirulina and heavy metals

Many studies show that spirulina could be useful in the treatment of poisonings related to heavy metals (arsenic, cadmium, lead, mercury…).

Spirulina and digestive system

Spirulina has a probiotic effect by allowing the growth of intestinal microflora.

Spirulina: diabetes, obesity and hypertension

It has been shown that a soluble fraction of spirulina lowers fasting blood sugar while an insoluble fraction lowers blood sugar after glucose consumption. It also prevents kidney damage that can be observed in diabetic patients and by limiting weight gain, limits related pathologies.

Spirulina and cholesterol

The majority of deaths worldwide are due to cardiovascular diseases. Influenced by our diet, our cardiovascular health reflects the level of blood lipids.

Spirulina has proven effects on the prevention of dyslipidemia. It is lipid-lowering, and thus allows a modulation of body weight and appetite through the partial modification of serum lipids. A spirulina supplement during a cardiovascular disease can be a support to an adapted diet in order to normalize blood lipid levels.

Spirulina and sports performance

The consumption of spirulina allows an anti-inflammatory action thanks to a mechanism usually used by some allopathic anti-inflammatory drugs, it quickly and significantly relieves chronic pain: it is therefore ideal after sport which generates many micro-inflammations. As seen above, it increases the athlete’s performance and recovery. These effects are due to the ability of spirulina to release erythropoietin (EPO), which allows the natural production of red blood cells.

Spirulina and hair care

Spirulina consumption provides vitamins A, B5, B8, B carotene, manganese and zinc. These various elements have recognized properties to regenerate damaged hair and promote regrowth, to limit hair loss and the number of grey hairs. It also helps to make hair softer and shinier while preventing hair loss. Spirulina therefore contributes to the health and beauty of hair and can be an ally in limiting the appearance of baldness.

Spirulina and radiation protection

Spirulina significantly reduces the effects of gamma rays on mouse bone marrow cell nuclei. The same protective effects were observed whether the treatment took place before or after exposure to radiation. The authors concluded that the protective compound probably acts as a DNA stabilizing factor. This property was used in Chernobyl irradiated patients to normalize the blood markers that control the irradiation.


1. Kalafati M. & al. :Ergogenic and antioxidant effects of spirulina supplementation in humans. Med Sci Sport Exerc. 2010 jan; 42(1) : 142-51. doi : 10.1249/MSS.0b013e3181ac745.

2. Capelli B. & al. (2010). Potential health benefits of spirulina microalgae. Nutrafoods.9.10.1007/BF03223332.

Recommended dose

The recommended daily dose of 5g covers a good part of the recommended intakes of iron (37%), vitamin A (74% as a precursor) and B12 (21%).

The manufacturing

See here how Bleualgue Spirulina is made.


PR Trading Sàrl

Chemin de Pierrefleur 50

CH-1004 Lausanne


(+41) 79 551 33 46





PR Trading Sàrl

Cheminde Pierrefleur 50

CH-1004 Lausanne


(+41) 79 551 33 46