Cholesterol is a fat-like substance that can build up in the arteries, causing them to narrow and harden. High blood cholesterol puts a strain on your heart, forcing it to work harder to push blood throughout the body.
Apple cider vinegar can promote heart health by helping to keep cholesterol levels low. An animal study out of Iran showed that supplementing rats with ACV was able to reduce bad LDL cholesterol while also increasing beneficial HDL cholesterol.