It has no nutritional value.
yes colgate uses the carrageenan in allmost all tooth paste as a thikning agent
yes
I think some are not.
You can buy it at local Walgreen's or CVS pharmacy go there to look for Iota-Carrageenan nasal spray
carrageenan
I think that there is not.
carrageenan
A food smoother
Red algae (Protista Rhodophyta) grows on the continental shelf in tropical, temperate, and cold-water regions of the world. It is especially admired in Asian cultures for the extract Carrageenan.
carrageenan
E407 is carrageenan - a thickener obtained from seaweed.
Seaweed