Chlorella vs. Spirulina: What’s the Difference? (6 Benefits) (2024)

  • What Are They?
    • What is chlorella and spirulina?
  • Nutritional Content Chart
    • What are the nutritional facts of chlorella and spirulina?
  • 4 Similarities
    • 4 similarities between chlorella and spirulina
  • Differences Chart
    • Differences between chlorella and spirulina
  • 6 Health Benefits
    • 6 health benefits of chlorella and spirulina
  • Which One to Choose
    • Which one to choose, chlorella and spirulina?
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Chlorella vs. Spirulina: What’s the Difference? (6 Benefits) (1)

Because both chlorella and spirulina are types of algae, they share a lot of nutritional properties.

Chlorella and spirulina are blue-green algae that are exploding in popularity in the supplement world.

  • These blue-green algae are a great source of plant-based dietary protein, plenty of B-vitamins, essential fatty acids, and iron.
  • They are a powerhouse supplier of chlorophyll, a natural phytochemical that gives plants their green pigment.
  • They help lower risk factors of heart disease, improve blood sugar management, support detoxification, get clear skin, and fight free radicals.

What is chlorella and spirulina?

Chlorella and spirulina are microscopic blue-green alga that grows in fresh and salt water, respectively.

Both are one of the most nutritional superfoods on the planet, which are high in protein, B-vitamins, and chlorophyll.

These blue-green algae can contain up to 60 to 70 percent vegetable protein and provide all the essential amino acids in a form that is incredibly easy for the body to digest.

They help decrease the spread of certain tumors, lower cholesterol levels, and eliminate certain forms of toxicity including dioxin.

What are the nutritional facts of chlorella and spirulina?

Table 1. Nutritional contents in an ounce (28-gram) serving of chlorella and spirulina
NutrientChlorellaSpirulina
Calories11581
Protein16 grams16 grams
Carbs7 grams7 grams
Fats3 grams2 grams
Vitamin A287 percent of the daily value (DV)3 percent of the DV
Riboflavin (B2)71 percent of the DV60 percent of the DV
Thiamine (B1)32 percent of the DV44 percent of the DV
Folate7 percent of the DV7 percent of the DV
Magnesium22 percent of the DV14 percent of the DV
Iron202 percent of the DV44 percent of the DV
Phosphorus25 percent of the DV3 percent of the DV
Zinc133 percent of the DV4 percent of the DV
Copper0 percent of the DV85 percent of the DV
QUESTION According to the USDA, there is no difference between a “portion” and a “serving.” See Answer

4 similarities between chlorella and spirulina

Because both chlorella and spirulina are types of algae, they share a lot of nutritional properties.

  1. Both are high in protein (with spirulina being the highest source), and both are two of the highest sources of pure chlorophyll.
  2. Chlorellaandspirulinacontain about the same amount of:
    • Carbohydrates (7 grams per ounce)
    • Protein (16 grams per ounce)
    • Folate (7 percent of the DV)
  3. Chlorella and spirulina are high in:
    • Riboflavin (vitamin B2)
    • Thiamine (vitamin B1)
    • Iron
  4. Both are rich in heart-healthypolyunsaturated fatty acids.

Differences between chlorella and spirulina

Table 2. Differences between chlorella and spirulina
DifferencesChlorellaSpirulina
Single-celled organismA single-cell algaA single-cell alga
GrowthGrows much faster and can quadruple its size in just 20 hoursGrows a bit slower than chlorella
Type of waterA freshwater green algaA saltwater blue-green alga
BenefitsBoost healthy cell growth, regenerate tissues in the body and help repair severe immune deficienciesHelps heart health, digestive health, and longevity and boosts brain health
Copper contentNo copper content. However, chlorella is higher in vitamin A, iron, magnesium, phosphorus, and zincContains significantly more copper (85 percent of the DV per ounce)
Omega fatty acid contentContains more omega-3 fatty acidsContains more omega-6 fatty acids

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6 health benefits of chlorella and spirulina

The mutual benefits of chlorella and spirulina are:

  1. Helps detox
    • Chlorella and spirulina act as natural detoxification agents (by working on liver cell repair). They help remove heavy metals from the body and cleanse and optimize the oxygenation of the blood.
  2. Treat certain diseases
    • Consuming these seaweeds can help lose weight loss and treatcolds, Crohn’s disease, constipation, bad breath, ulcers,attention deficit-hyperactivity disorder, diabetes, stress, anxiety, and premenstrual syndrome.
  3. A high-quality source of protein
    • Both these algae contain all essential amino acids (the building blocks of protein).
    • Protein is an incredibly important macronutrientfor several reasons, including its ability to help:
      • Build and maintain muscles
      • Theimmune system
      • Supporting the development and repair of cells of the body
  4. Rich in antioxidants
    • The blue-green color of chlorella and spirulina is indicative of their antioxidant-rich profiles.
    • Antioxidants help fight free radicals toprotect against oxidative damagein the body.
    • Chlorella is rich in chlorophyll and antioxidants, such as vitamin C, lycopene, lutein, and beta-carotene.
    • Spirulina isrich in phycocyanin, an antioxidant that provides its potent blue-green color and has anti-inflammatory, liver-protecting, and immune-enhancing properties.
  5. May improve the heart
    • Several studies report that chlorella and spirulina have the potential toimprove heart healthby positively affecting blood lipid composition and blood pressure levels.
  6. May help regulate blood sugar levels
    • Numerous studies report that both chlorella and spirulina may help manage blood sugar levels by improving insulin sensitivity, a measure of cell response to the hormone insulin.

Which one to choose, chlorella and spirulina?

Both forms of algae contain high amounts of nutrients, but chlorella is higher in omega-3 fatty acids,vitamin A, riboflavin, iron, magnesium, and zinc.

Though both are great choices, chlorella has a slight nutritional advantage over spirulina because of the high levels of polyunsaturated fats, antioxidants, and other vitamins present in it.

Though they are safe for most people, it is always recommended to consult a healthcare professional before taking these supplements, especially in high doses.

This is particularly important for people:

  • Who are taking blood thinners
  • With certain autoimmune conditions
  • Who are pregnant or breastfeeding

References

Image Source: iStock image

Chlorella Versus Spirulina: A Showdown of the Green Algae Superfoods. https://www.onegreenplanet.org/natural-health/chlorella-versus-spirulina-a-showdown-of-the-green-algae-superfoods/

Chlorella Vs. Spirulina: What Are Their Benefits & Which Is Better? https://www.humnutrition.com/blog/chlorella-vs-spirulina/

Blue-Green Algae - Uses, Side Effects, and More. https://www.webmd.com/vitamins/ai/ingredientmono-923/blue-green-algae

Chlorella vs. Spirulina: What’s the Difference? (6 Benefits) (2024)
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