Does Spirulina Have Quercetin? (EXPLAINED)

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Does Spirulina Have Quercetin?

Spirulina is a blue-green alga that people have consumed since the days of the Aztecs. Nutrient-dense and loaded with protein, this superfood is a worthwhile addition to any whole food, vegan or vegetarian diet. No doubt spirulina offers many benefits, but the question remains, does spirulina have quercetin?

Quick Answer: No – Spirulina does contain quercetin. Compared to other similar foods, its quercetin content is nonexistent.

Quercetin Content of Spirulina

The quercetin content of spirulina is zero, but it is rich in protein,  A, C, E, and B vitamins, and a host of minerals.

Is Spirulina High in Quercetin?

Compared to other foods, spirulina has no quercetin content.

Let’s take a look at how it compares to 5 similar foods.

  • All known green algae lack quercetin.
  • Kelp is quercetin-free.
  • Red algaes are also quercetin-free.
  • Sea lettuce has no quercetin.  
  • Seagrapes have no quercetin content.


USDA Database for the Flavonoid Content of Selected Foods: