Plant sterols, also known as phytosterols, are a group of naturally occurring compounds found in plants. They have a similar structure to cholesterol and are often added to foods and supplements for their potential health benefits. Plant sterols are a type of phytochemical that are commonly found in plants. They have a similar chemical structure to cholesterol and are thought to help lower cholesterol levels in the body by blocking the absorption of dietary cholesterol. Plant sterols are often added to foods and supplements to help support heart health and may also have anti-inflammatory properties. Some research suggests that plant sterols may also have potential benefits for immune function, bone health, and cancer prevention.