Author: Maryam Ayres
Time for reading: ~4
minutes
Last Updated:
February 16, 2026
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“…[I]nterest in shark cartilage as an anticancer agent arose due to the fact many humans believed that sharks did now not get cancer.” Why would they think any such aspect?
“Sharks do get cancer.” “…[B]oth benign and cancerous…lesions were mentioned in 21 species of sharks from [more than] 9 households.” For instance, this oral tumor spilling out of the mouth of this notable white.
Now, a few “shark cartilage vendors insist [instead] that sharks [just] not often get most cancers,” [but] actual most cancers shares within sharks have [never] been decided.” “[T]right here [has simply] been no systematic tumor surveys of sharks” for them to make any such declare. But look, “even supposing sharks [were] much less vulnerable to cancer,” how can one logically soar from that to cancer sufferers taking advantage of ingesting powdered cartilage from a shark?“We recognise, for instance, that there are [certain] proteins that allow [some bacteria to survive] in boiling warm [springs].” Uh, does that mean if we consume those bacteria we are able to live to tell the tale boiling water, too?
It doesn’t make any experience. “The illogic in the back of the pursuit of shark cartilage treatment plans has implications beyond the reduction of shark populations and the misdirection of patients to useless most cancers healing procedures.” The stuff may be harmful, and that i’m now not simply speaking about the uncommon case of “shark cartilage-induced liver [inflammation].” Shark merchandise can incorporate the neurotoxin BMAA, which I’ve mentioned before.It’s been detected at expanded ranges in the brains of Alzheimer’s sickness and ALS sufferers, and might “play…a role in [the development of] neurodegenerative sicknesses.” So, the “intake of shark-fin soup may pose a tremendous fitness chance.” But what approximately shark-cartilage supplements?
They tested 16 industrial shark-cartilage dietary supplements, proper off the shelves, and discovered BMAA “in fifteen out of sixteen.” But appearance, even though shark-cartilage supplements convey “seasoned-inflammatory homes, that can pose a potential health hazard for consumers,” we’re talking about cancer.So, the query then turns into:
are there any blessings to shark cartilage? I suggest, it’s not a very wacky idea.“[C]artilage [in general] is particularly immune to invasion by way of tumor cells.” So, perhaps there’s a few “cartilage-derived anti-invasion issue.” “Less thrilling opportunity causes…are” that it’s simply hard for the most cancers to penetrate the cartilage, or perhaps due to the poor blood supply within cartilage, most cancers doesn’t remember it in particular fertile floor.
So, perhaps we will starve tumor increase through infusing those cartilage factors.
What scientists do is implant tumors into the eyeballs of rabbits, on the way to visualize what number of blood vessels the tumor is able to draw to itself. And, certainly:“Shark cartilage incorporates inhibitors of tumor angiogenesis.” “Such findings made the income [of shark cartilage sky]rocket, [driving]… shark species…to the brink of extinction.” But, cow cartilage does the same element.
Here, they used bovine cartilage. And so does human cartilage, for that count.So, why sell shark cartilage?
Well, it does sound a lot extra extraordinary, and sharks have like 10 instances extra cartilage according to animal.Just due to the fact cartilage has blood vessel-inhibiting chemical substances within it, even though, doesn’t imply if most cancers sufferers eat it, it will help them.
It’s type of like magical wondering: shark cartilage stops blood-vessel growth.“Thus, via eating shark cartilage, human beings will [somehow] be…covered.” I imply, the “shark cartilage protein molecules [would seem to be] too huge to be absorbed by way of the gut.” It’s no longer like you’re injecting shark cartilage into your bloodstream via an IV.
Okay, But Does That Translate Out To Stopping The Growth And Spread Of Cancer?
Apparently not, as “none of the shark cartilage doses tested had any retarding impact on [cancer growth]” or spread in tumor-bearing mice.
But just as it doesn’t work within rodents doesn’t suggest it doesn’t work within humans.