THIS FORMULA PROVIDES A FULL 320MG OF ACTUAL BETA SITOSTEROLS PER 2 TABLETS AND WE USE THE HIGHEST QUALITY AVAILABLE. IT ALSO CONTAINS 10µG OF VITAMIN D3 PER DAILY DOSE SINCE IT PLAYS AN IMPORTANT ROLE IN THE NORMAL FUNCTION OF THE IMMUNE SYSTEM AND HEALTHY INFLAMMATORY RESPONSE.ZINC WHICH CONTRIBUTES TO THE MAINTENANCE OF NORMAL TESTOSTERONE CONCENTRATIONS IN THE BLOOD IS INCLUDED AT 15MG. PLUS BOTH THE VITAMINS C AND E HAVE BEEN INCLUDED WHICH LIKE ZINC CONTRIBUTE TO THE PROTECTION OF CELL CONSTITUENTS FROM OXIDATIVE DAMAGE. PROSTEX® ALSO INCLUDES THREE IMPORTANT AMINO ACIDS - ALANINE GLYCINE AND GLUTAMIC ACID AS WELL AS A RELEVANT LEVEL OF THE BIOFLAVONOID QUERCETIN. Vegetarian