3 Key Health Benefits Of Spirulina

September 20, 2018

Spirulina, a blue-green microalgae, naturally grown in tropical and subtropical lakes in Mexico, Africa and Asia, has gained popularity as a food supplement. It is considered a superfood, due to its many health benefits, which have been proven in numerous studies.

However, when purchasing spirulina make sure that it doesn’t originate from a contaminated lake but instead from a controlled & specialized Spirulina farm or a reputable brand, as it can absorb heavy metals from the water in which it grows or be contaminated with toxins known as cyanobacteria (1) (2).

You can buy Spirulina as a supplement or as a powder. When buying it in a powdered form, mix 1 teaspoon of Spirulina powder in your morning smoothie or fresh fruit juice for it to be less strong and unpleasant in taste. Consuming it daily over a longer period will be needed for you to feel the desired positive effects. 

3 Key Health Benefits Of Spirulina

Anti-cancer properties

According to the World Health Organization (WHO) “8.8 million people worldwide died from cancer in 2015, which is nearly 1 in 6 of all global deaths” (3). While more and more people are affected by cancer, directly or indirectly, one of their family members, this doesn’t mean that nothing can be done about it.

Different research studies have provided evidence of Spirulina’s anti-cancer and chemo preventive properties especially in the case of lung cancer or cancer in the liver (Arkadiusz Czerwonka et al., 2018) (Mohamed F Ismail et al. , 2009).

A study on rats showed that “the incidence of liver tumours was significantly reduced from 80% to 20% through spirulina” (Mohamed F Ismail et al. , 2009).

Anti-aging properties

The natural aging process is mainly triggered by oxidative stress, which is the result of free radicals in the body that overwhelm the body`s ability to regulate them. These free radicals can change DNA, proteins and lipids and trigger many diseases as well as lead to changes associated with aging (V. Lobo et al. , 2010).

Free radicals can develop in the body due to several factors, like inflammation, environmental pollutants, certain drugs and pesticides as well as the consumption of a “Western diet” which is often nutritionally deficient and poor in anti-oxidants. In this context, antioxidants play a vital role as free radical damage can be controlled and reduced with adequate levels of antioxidants (V. Lobo et al. , 2010). Spirulina, being rich in antioxidants, especially “carotenoids” and “xanthophylls” (7) as well as chlorophyll, may therefore help to slow the aging process (Elson M. Haas and Buck Levin , 2006), having positive anti-aging effects.

Furthermore, Ajay Kumar (Ajay Kumar et al., 2017) could prove through his research study, that Spirulina, used as a nutritional supplement can improve the lifespan and locomotor behaviour in Parkinson`s disease (Ajay Kumar et al., 2017).

Protection against heavy metals/ Neurotoxicity

Our body absorbs toxic metals daily, through beauty care products that we use each day (e.g. aluminum in deodorants, lipsticks), in the food we eat (e.g. mercury in fish, in canned food), in the air we breathe or in our drinking water.

Getting rid of these heavy metal accumulations is very important to avoid the body from developing metal poisoning.

The role of Spirulina as a protector against heavy metal poisoning has been widely studied and the positive effects, like a decrease in the body`s absorption of such heavy metals and neuroprotective responses, have been shown (Armida Hernàndez-Corona et al., 2002) (Eun-Jeong Koh 1 et al. , 2017) (Sungwoo Chei et al. , 2017)

Eun-Jeong Koh 1, has demonstrated in his study that ROS (reactive oxygen species) production was decreased through spirulina, by decreasing oxidative stress-associated enzymes.

Spirulina Nutraphoria


  • Ajay Kumar, Pear K. Christian, Komal Panchal, B. R. Guruprasad, Anand K. Tiwari. 2017, Supplementation of Spirulina (Arthrospira platensis) Improves Lifespan and Locomotor Activity in Paraquat-Sensitive DJ-1βΔ93 Flies, a Parkinson’s Disease Model in Drosophila melanogaster, Journal of Dietary Supplements, Pages 573-588
  • Arkadiusz Czerwonka, Katarzyna Kaławaj, Adrianna Sławińska-Brych and others. 2018, Anticancer effect of the water extract of a commercial Spirulina (Arthrospira platensis) product on the human lung cancer A549 cell line, Biomedicine and Pharmacotherapy (https://www.ncbi.nlm.nih.gov/pubmed/29966973 )
  • Armida Hernández-Corona, Irma Nieves, Mariana Meckes, Germán Chamorro, Blanca L Barron, 2002, Antiviral activity of Spirulina maxima against herpes simplex virus type 2, Antiviral Research, Pages 279-285
  • Elson M. Haas, Levin Buck. 2006, Staying Healthy with Nutrition: The Complete Guide to Diet and Nutritional Medicine
  • Eun-Jeong Koh 1,†, Young-Jin Seo 1,†, Jia Choi 1 , Hyeon Yong Lee 2 , Do-Hyung Kang 3 , Kui-Jin Kim 1,* and Boo-Yong Lee 1, 2017, Spirulina maxima Extract Prevents Neurotoxicity via Promoting Activation of BDNF/CREB Signaling Pathways in Neuronal Cells and Mice, Molecules
  • Mohamed F Ismail3, Doaa A Ali3, Augusta Fernando1, Mohamed E Abdraboh1, and others. 2009, Chemoprevention of rat liver toxicity and carcinogenesis by Spirulina, International Journal of Biological Sciences
  • Sungwoo Chei, Eun-Jeong Koh, Young-Jin Seo, Jia Choi, Yeon-Joo Lee, Ji-Hyun Hwang, Ji-Hyeon Song, Seo-Yun Choi, Min-Ki Park, and Boo-Yong Lee, 2017, Neuroprotective Effect of Spirulina maxima Extract against Trimethyltin-Induced Neuronal Damage in HT-22 Cells, The Faseb journal, Volume 31 No 1_supplement
  • V. Lobo, A. Patil, A. Phatak and N. Chandra. 2010, Free radicals, antioxidants and functional foods: Impact on human health, Pharmacognosy Review

About the Author

Karin Vaia

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Hi, I`m Karin. I am a food & nutrition enthusiast, mom and certified holistic nutrition coach. My passion for food and deep interest to better...

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