Beta-sitosterol is a plant sterol that is found in many different plants such as nuts, seeds, and fruits. It is commonly used in dietary supplements due to its potential health benefits, such as promoting heart health, supporting immune system function, and reducing inflammation.
Beta-sitosterol is generally considered safe for consumption, and it is a common ingredient in many dietary supplements. However, high doses of beta-sitosterol supplements may cause digestive discomfort such as nausea, indigestion, or diarrhea.