You can obtain chitinosan as a supplement for weight loss. There was a study from 2004 that discussed this.
https://pubmed.ncbi.nlm.nih.gov/15311218/
Be aware that some people might be allergic to shrimp or crab. The WEF types want us to switch from cattle to bugs. Not sure if that includes shrimp and crabs.
I knew a guy in Louisiana that died of iodine poisoning from eating too many oysters. His blood vessels collapsed and it was a horrible death. His skin color turned black.