BETA-SITOSTEROL IS ONE OF SEVERAL PHYTOSTEROLS (PLANT STEROLS) WITH CHEMICAL STRUCTURES SIMILAR TO THAT OF CHOLESTEROL. BETA-SITOSTEROL IS WIDELY DISTRIBUTED IN THE PLANT KINGDOM AND FOUND IN VEGETABLE OIL, NUTS, AVOCADOS AND PREPARED FOODS, SUCH AS SALAD DRESSINGS. BEING A STEROID, ?-SITOSTEROL IS A PRECURSOR OF ANABOLIC STEROID BOLDENONE. . IT MIGHT HELP REDUCE CHOLESTEROL LEVELS BY LIMITING THE AMOUNT OF CHOLESTEROL THAT IS ABLE TO ENTER THE BODY. IT CAN ALSO BIND TO THE PROSTATE TO HELP REDUCE SWELLING (INFLAMMATION).