The immune system is a network of cells, tissues, and organs that work together to protect against germs and microorganisms. Now widely recommended by practitioners in this particular area of health are beta glucans 1,3/1,6, which are naturally occurring polysaccharides derived from the cell wall of Sacchromyces Cerevisiae.Lamberts Beta Glucan Complex is a high strength one a day product that provides a full 250mg of 1,3/1,6 beta glucans and is suitable for vegetarians. We have also included vitamin D3 at 25μg, 150mg of vitamin C plus 10mg of zinc and 110μg of selenium since all these nutrients are renowned for the role they play in supporting the immune system. IngredientsEach Tablet delivers:Vitamin D3 (1000iu)25μgVitamin C150mgZinc (as citrate)10mgSelenium (as selenite)110μgYeast (Saccharomyces Cerevisiae)388mgproviding 1,3/ 1,6 beta glucans250mg Tableted with:Cellulose, DiCalcium Phosphate, Anti-caking Agents (Silicon Dioxide, Magnesium Stearate & Stearic Acid), Tablet Coating (Hydroxypropyl Methylcellulose, Glycerine). Directions For UseTake one tablet daily with a meal, or as directed by practitioner or pharmacist. PrecautionsDo not exceed recommended daily dose.Food supplements should not replace a balanced diet and healthy lifestyle.