HomeblogsHealth-and-wellnessTop 10 Health Benefits Of Spirulina- Nutrition, Uses, And Side Effects

Top 10 Health Benefits Of Spirulina- Nutrition, Uses, And Side Effects

Spirulina is one of the biggest global superfoods that you can consume. There are numerous Spirulina benefits that you should be aware of. It comes packed with several antioxidants and nutrients that will not only boost your body, but also enhance brain health simultaneously.

What is Spirulina? It is a specific green-blue algae which is regarded as a superfood on account of its superior nutritional value and benefits. It also contains vitamins and proteins, making it an ideal supplement for those following vegetarian/vegan dietary regimes. You can take it as a supplement in the Spirulina powder form or even as tablets. It comes with anti-inflammatory and antioxidant attributes as well.

Read More: Spirulina – One Of Nature’s Most Nutritious Superfoods

Spirulina Nutrition Facts

A tablespoon of Spirulina comes with the following nutrients:

Calories- 20

Protein- 4 g

Carbohydrates- 2 g

Fat- 1 g

Sugar- 0 g

Fiber- 0 g

Besides, spirulina also contains essential nutrients like riboflavin, iron, copper, thiamine, niacin, and magnesium.

Top 10 Health Benefits of Spirulina Powder

Here is a list of Spirulina benefits that you should be aware of:

1. It is Packed with Beneficial Nutrients 

Spirulina grows in both salt and freshwater, containing a host of nutrients. It contains protein, Vitamin B3, Vitamin B2, Vitamin B1, copper and iron along with manganese, potassium, magnesium and almost every other necessary nutrient in smaller amounts. Simultaneously, it is low on digestible carbohydrates and calories, making it possibly one of the most healthy and nutritious superfoods in the whole world. 

2. Relieves Inflammation and Other Disorders 

Spirulina can play a big role in combating oxidative damages along with chronic inflammation within the body. It comes with several beneficial antioxidants in this regard. Phycocyanin is the active element in this case, also lending the novel blue-green color to the superfood. These help in tackling free radicals, thereby enhancing the anti-inflammatory effects in the body. 

3. Reduces Triglycerides and Bad Cholesterol 

Consuming spirulina greatly reduces bad or LDL cholesterol along with triglycerides. It may also contribute towards a simultaneous increase in good or HDL cholesterol levels. 

4. Prevents Oxidation of LDL Cholesterol 

Spirulina prevents oxidation of LDL or bad cholesterol, or the process known as lipid peroxidation that leads to several severe ailments. It has antioxidants which help in tackling lipid peroxidation across animals and human beings. 

5. Comes with Anti-Cancer Attributes 

Spirulina may ensure anti-cancer effects, with studies indicating how it may lower the size of the tumor and occurrence of cancer. It may help in tackling oral cancer as well. 

6. Reduces Blood Pressure Levels 

Spirulina helps greatly in lowering high blood pressure levels in individuals. High blood pressure induces several ailments including chronic kidney ailments, strokes and also heart attacks. Consumption of at least 4.5 g each day may help in lowering blood pressure considerably.

7. Helps in Tackling Rhinitis

Allergic rhinitis is a condition that sees nasal congestion and inflammation of a severe nature, sparked by animal hairs, pollen or even specific types of dust. Spirulina is helpful in eliminating these symptoms as per several reports. 

8. Helps Combat Anemia

Anemia is a common occurrence for older individuals, leading to chronic fatigue, weakness and various other issues. Spirulina may play a role in enhancing hemoglobin content in the red blood cells, boosting immune system functions as a result. However, more studies are required for this to be substantiated. 

9. Boosts Muscle Performance 

Spirulina may play a major role in enabling better muscle performance, strength and higher endurance levels. With its antioxidant attributes, it may be a great option for sportspersons and athletes looking to build endurance and perform better. 

10. Keeps Blood Sugar Levels in Check

 Several studies have connected Spirulina to lower levels of blood sugar. It may help in controlling the same and preventing spikes or sudden fluctuations. Studies indicate that it may be helpful for those suffering from Type 2 diabetes, helping them lower their levels of fasting blood sugar. 

Side Effects of Spirulina 

Here is a list of possible side effects: 

  1. Wild-grown and harvested Spirulina may suffer due to bacterial and metal contamination. It could lead to the generation of harmful toxins that cause liver damage. 
  2. Spirulina may not be safe for women who are pregnant or breastfeeding. 
  3. Spirulina helps in lowering blood clotting, thereby scaling up bleeding or bruising risks for individuals who suffer from specific medical ailments. 
  4. Spirulina may impact levels of blood sugar and should be used carefully by diabetics, in consultation with their doctors. 
  5. Spirulina may lead to symptoms worsening in some people with ailments like arthritis, lupus and multiple sclerosis. 
  6. Spirulina may sometimes react with specific medication, leading to a variety of side effects. If you are on any medication, talk to your doctor about taking Spirulina regularly. 

The Bottom Line

Spirulina is widely acknowledged as one of the healthiest and most powerful superfoods on the planet today. You can try consuming it in the powder or tablet form for experiencing a plethora of benefits, right from tackling anemia to boosting endurance to lowering bad cholesterol to lowering blood pressure. 


What is Spirulina good for?

Spirulina is great for boosting body immunity along with producing more white blood cells and beneficial antibodies which combat various ailments, bacteria, and viruses. It has several other benefits including a reduction in blood pressure levels as well. 

What are the dangers of Spirulina?

Spirulina is vulnerable towards contamination with toxic metals and other bacteria in the wild. It may lead to liver damage and severe ailments in such cases, upon consumption. Contaminated Spirulina may lead to vomiting, nausea, thirst and weakness, while leading to death at times as well. 

Is it good to take Spirulina every day?

While Spirulina can be consumed in the powder or tablet form every day, you should always take it moderately and with the advice of your doctor. At the same time, you should ensure that you are consuming the best quality Spirulina which is not contaminated. 

Does Spirulina cause weight gain?

Spirulina does not lead to direct weight gain. You would have to otherwise consume it in hefty amounts for piling on the pounds and this is never advisable. A tablespoon will only come with 20 calories and hence the question of weight gain does not arise. 

What foods contain Spirulina? 

There are no direct foods that contain Spirulina. It is a specific type of algae that grows in several regions. It may be consumed as tablets or even in the powder form. It has also been integrated into beverages and smoothies in some countries. 

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