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What Is Carrageenan Made From? Seaweed Thickener, Foods and the Debate

Audio from the Clean Food Score video of the same name; the video shows the labels and scores on screen.

What is carrageenan made from? Red seaweed: it is a plant based thickener (E407) that keeps almond milk and creamers from separating. We explain how it is made, the three types, which foods use it, what is disputed about gut health as of October 2026, and carrageenan free plant milks from our catalog.

Full guide and the products we checked
Check any ingredient list free

Chapters
0:00 The Short Answer
0:33 Made From Seaweed
1:09 Kappa, Iota and Lambda
1:32 Where It Hides
1:56 The Debate
2:25 Carrageenan Free Picks
3:02 Label Check
3:26 Your Turn

Product scores are Clean Food Score's 0–100 label scores as shown on cleanfoodscore.com on 2026-10-16. Recipes change, so read the package you buy. We read labels; this is not medical advice.

Music
"Almost Bliss" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/by/4.0

"Friday Morning" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/by/4.0

"Reminiscing" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/by/4.0

Sound effects: Kenney (kenney.nl), CC0.

#carrageenan #foodlabels #almondmilk