[ConservativeMind]

This is the study that found the substance:

https://www.jstage.jst.go.jp/article/bpb/31/4/31_4_714/_article

This expensive item on Amazon has the substance:

https://www.amazon.com/Fucoidan-YOHO-MEKABU-FUCOIDAN/dp/B00DB7CP1Q

[RushIsMyTeddyBear]

Bkmrk

[ConservativeMind]

MeFucoidan is another name for “mekabu fucoidan,” which comes from

“the sporophyll (Mekabu) of brown seaweed Undaria pinnatifida (wakame)”

https://pubmed.ncbi.nlm.nih.gov/25037398/

[House Atreides]

Yes, it’s very expensive. But at least it is sourced/manufactured in Japan so you can be sure of its quality unlike much of the crap that comes from China and India.