Are you lacking in iron? Counteract it with spirulina!

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“Our body is the boat that will carry us to the other side of the ocean of life. We must take care of it.” – Swami Vivekananda


Today’s article will praise our dear Caroline Spirulina and more precisely one of its virtues: iron. You may have noticed that this trace element was often mentioned in our previous articles and rightly so: iron is essential for the proper functioning of the body. Everyone has already heard about iron, but… What is it exactly? What is its role? Why is it so important for us? We explain it all to you!


Probably the best organic spirulina

  Certified AB and Ecocert France

  100% pure organic spirulina

  Cultivated in spring water

Iron, what is it?


Iron is a nutrient trace element vital for the proper oxygenation of our body as well as for the formation of red blood cells. It is largely heme, that is, it is associated with hemoglobin. It therefore allows the regeneration of cells, muscles (myoglobin), enzymes..

The only problem is that iron intake is generally insufficient. In fact, our iron levels are steadily decreasing. The reason behind this? Our body does not synthesize iron and it is therefore through our food that we provide it with the level of iron it needs.



The level of iron in men, women and children


The body of an adult man contains about 4 g and that of a woman 2.5 g. In adolescents and children, this rate is even higher (about 50% more). The iron level is especially high during growth, especially when they are young.

Women are the most affected by iron deficiency. Our menstrual cycle triggers a great loss of iron, hence our greater need for it. And this need is even greater when we are pregnant: from 25 to 35 mg/day! This need is due to the increase in blood volume, as well as the development of fetal tissue and the placenta.

After all these explanations on what is iron, its rate in the body (etc.), it is time to ask about the causes of iron deficiency, its symptoms and its consequences. Hold on tight, here we go!


Lack of iron and its consequences

The lack of iron is also known as “iron deficiency”. Several reasons can be the cause: physical, mental and / or mental fatigue, lack of iron intake (especially among vegans and vegans) or even loss of iron (menstrual cycles for example). Now let’s get to the heart of the matter!


As I just said, a lack of iron can have many consequences (not very pleasant, we tell you right away!):

– fatigue
– lack of concentration
– memory problems
– infections
– headaches
– brittle nails
– shortness of breath
– paleness
And so on!


Iron deficiency is a phenomenon that generally affects women more than men. This phenomenon leads to heavier periods or dizziness. During pregnancy, iron deficiency can increase the risk of miscarriage or premature delivery. It can also be a problem during childbirth: it increases the risk of hemorrhage and infection. This lack of iron can also have an impact on the vaginal mucosa.
In the case of children, iron deficiency can affect their growth and intellectual development.

You’ve got it: It’s better to avoid this deficiency at all costs! But the drama doesn’t end there. A lack of iron can also lead to a disease called anemia.

Anemia is a lack of red blood cells in the body, which corresponds to a hemoglobin level that is too low. The transport of oxygen is then disturbed.

There are three types of anemia: the lack of production of red blood cells (sickle cell anemia), the abnormal loss or destruction of red blood cells (hemolytic anemia) or the inability to create or use hemoglobin (sideroblastic anemia). This disease is not to be taken lightly as it affects 25% of the world’s population (according to the WHO).

Probably the best organic spirulina

  Certified AB and Ecocert France

  100% pure organic spirulina

  Cultivated in spring water

Other concerns related to anemia


Yes, the intestines are also affected by iron deficiency!
When we suffer from iron deficiency, the condition of our intestines can make it worse. Irritable bowel syndrome, heartburn and food allergies are just a few of the symptoms that cause so many difficulties in iron absorption.

Elements such as iron salts associated with synthetic vitamin C promote oxidative stress. This can then cause digestive disorders.

In short, a lack of iron is not good for anyone!
After having traumatized you with all this (our apologies), it is time to reassure you. Because, yes, there are solutions against all this. And one of them is spirulina!


Spirulina and iron


Spirulina is an excellent source of iron that is easily assimilated in humans. For 100g of spirulina, there is 30g of iron! To give you a more telling example, 3g of spirulina corresponds to 70g of red meat (raw iron).

The assimilation of spirulina is estimated at 40%, or 6.5 times more than that of beef.  Note that the assimilation of iron from spirulina is very sensitive to its consumption environment. For it to be well absorbed, it is preferable to mix spirulina with vitamin C (for example in smoothies, juices, etc.). Knowing that taking spirulina combined with vitamin C can increase the absorption of iron up to 75%, we quickly realize that this is not a negligible point!

It can happen that some people do not feel all the benefits because they consume their spirulina at the same time as products that decrease the absorption of iron (tea, coffee, wine, dairy products, whole grains). You will have understood: in the future, it will be necessary to avoid combining spirulina and these products or, even better, to limit their consumption for better results.


For people suffering from anemia, the ideal would be to do a spirulina cure for a month. Take 3g of it after each meal and the problem will disappear. However, in case of aggravated anemia, it is necessary to consult your doctor at all costs.

For women and children, it is also possible to follow a spirulina cure to combat the previously mentioned problems.

Women can start the treatment during menstruation or in case of deficiency. For pregnant women, we recommend that you start the treatment as early as possible (or even at the time of conception) so that your body gets used to spirulina. If you want to know more about spirulina during pregnancy, take a look at our article spirulina and pregnancy!

Do not hesitate to ask a specialist for advice for more information as well as for a personalized follow-up.
Regarding children, be sure to carefully monitor the doses:
  • from 1 to 9 years old: 10 mg
  • from 10 and 12 years old: 12 mg
  • adolescents from 13 to 19 years old: 15 mg



Spirulina is therefore an excellent way to combat your iron problems! At Vegalia, our problems were quickly forgotten thanks to Caroline, our spirulina. What about you? Have you ever tested spirulina for your lack of iron? Share your experiences with us in the comments.

Probably the best organic spirulina

  Certified AB and Ecocert France

  100% pure organic spirulina

  Cultivated in spring water


Don't know which products to eat to reach your health goals?
Find out in less than a minute by making your personalized diagnosis.

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