Spirulina Extract
ColorantsCAS: 724424-92-4
This is what the ingredient is.
Spirulina extract is a natural blue-green coloring derived from spirulina algae. Provides blue color.
Here is why it shows up on the label.
It works as a natural blue colorant. Used in candies, ice cream, and beverages.
Here is what food agencies say.
The FDA treats it as exempt from certification. as of 2014. Approved in many countries.
Here is what research has found.
Contains phycocyanin pigment. Spirulina is a source of protein and nutrients. Natural alternative to Blue 1.
Here are a few things worth knowing.
May cause reactions in those allergic to algae or seafood. Generally well-tolerated.
Sources
- FDA Color Additive 2014
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.
v1.0Updated 9/12/2026