Last reviewed May 2026 · 1 min read
Is Spirulina Extract (Phycocyanin) vegan?
Also known as: Blue spirulina
Vegan
Suitable for a vegan diet.
Yes — 100% algae-derived.
01 · The basics
What is Spirulina Extract (Phycocyanin)?
The isolated blue pigment from spirulina, used as a powerful antioxidant and a natural blue food coloring.
02 · The source
Where it comes from
100% algae-derived.
03 · Alternatives
Best vegan alternatives
Blue 1 (Synthetic)
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Frequently asked
FAQ
Is blue spirulina vegan?
Yes, it is an algae extract.
Commonly found in
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A synthetic blue dye used in foods, cosmetics, and dietary supplements to achieve a vibrant blue hue.
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Related ingredients
Allura Red AC
A popular synthetic red food dye used to give foods and drinks a prominent red or pink color.
Tartrazine
A bright lemon-yellow synthetic food dye commonly used in processed foods, drinks, and medications.
Brilliant Blue FCF
A synthetic blue dye used in foods, cosmetics, and dietary supplements to achieve a vibrant blue hue.
What's next