It's marine collagen, a buzzword in beauty and supplement circles, often derived from fish skin, scales and bones, or other animals like sponges and sea cucumbers, depending on the product.

When your body doesn't make as much collagen, it can lead to things like: Wrinkles Weak muscles Tight ligaments and tendons Joint pain Gut issues Marine, or fish, collagen comes from the skin of fish.

But like other forms of protein, there is debate over the best sources of collagen. Marine collagen, as the name implies, is derived entirely from sea-dwelling sources, such as fish scales ...

In addition to bovine collagen—which is extracted from cows—there is also marine collagen, which is derived from marine sources—typically the skin, bones, or scales of fish. But which is better?

But what you might not know is that a special type of collagen known as marine collagen delivers powerful total-body benefits, especially when it comes to taming discomfort and restoring your stamina.