Does collagen powder help the heart become stronger?

Research is still being done to support the theory that collagen is good for heart health. However, some studies have found that taking collagen may help reduce the risk of heart conditions. It does this by giving structure to arteries, keeping them flexible and elastic which prevents atherosclerosis. Additionally, there's some evidence that collagen may help increase the levels of HDL (good) cholesterol in the body, which is great for a healthy heart.