natural support a source of beta sitosterol 900mg of plant sterol esters phytosterols including beta sitosterol are natural plant compounds one serving of solgar phytosterol complex provides 900mg of plant sterol esters using solgar phytosterol complex take two softgels twice a day about solgar phytosterol complex solgar phytosterol complex is a natural way to support cholesterol levels solgar phytosterol complex contains 900mg per serving from beta sitosterol stigmasterol ca