about Fish waste full Collagen

https://whattocooktoday.com/fish-maw-soup.html

 

https://www.youtube.com/watch?v=9iU5CxtHb0g 

and this is very good one !! i selected for floxed
>>>

https://www.youtube.com/watch?v=mf1C7giZ1XY

go in this site and type the Query
collagen in this site below http://themeatmen.sg/?s=collagen%20&asl_active=1