The link below from Dr Robert Malone is a good one. Read his article. I don’t disagree with any of it.
But….
There is much more to collagen importance than skin, hair and nails. Heck I knew that when my post WWII mom used to eat Jello (made from horses hoofs she said) to improve her nails.. Guess so.. I didn’t question her. But there is much more to health than just pretty fingernails.
Being a cardiovascular surgeon and operating on my share - 1000 or so aortic cases I found myself learning more about collagen. Our large blood vessels carry huge volumes of blood.. about 5 liters a minute in a normal human - at a pressure of 120 mm Hg systolic. The heart pumps the blood out into the slightly elastic Aorta, then relaxes and blood rushes backwards just a tiny bit to slam shut the aortic valve. Then the blood is propelled forward again with the stored energy in the wall of the vessels. It gives the double hump sign on most pressure tracings.
But with years of that going on, and with shear stresses going on at bifurcations, things start to change. The vessel wall may become irritated and lead to inflammation, platelet deposition and the early beginnings of a plaque.. But that is all “endothelial” pathology, the thin layer of cells in the lining of vessel.
Collagen is important in the strength and integrity of the wall. which may be three or four mm thick in the thoracic aorta. Equally important to “collagen” is the cross linking that occurs between the strands to give the wall a strength and elasticity. We have known for decades that Vitamin C is important there.. as is Zinc. I quiz students on —what are the MMPs? Mixed metallo-proteases.. I,II,III,IV . Zinc is important So if you want healthy blood vessels… take supplements that supply those. Oh - by the way Zinc is needed in at least 135 enzymes in the body. More than any other metal.
Certain genetic abnormalities like Ehlers-Danlos Syndrome, or Marfans Syndrome can lead to structural collagen problems and aneurysms in some folks. Many come to surgeons for repairs.
Also, smoking is awful for arterial health. Remember that some 30,000 Americans die of ruptured aneurysm in America yearly. Men are about 7:1 more likely than women to have that problem. Obviously estrogen plays an important role in the long preservation of arterial health, but with menopause, the ladies do catch up at older ages with the guys.
Here is Dr Malone’s good article..