Solgar´s Beta 1,3 Beta Glucans Tablets are naturally derived from a concentrated yeast cell wall material. In addition to the beta 1,3 glucans, our natural yeast cell wall concentrate contains beneficial beta 1,6 glucans. Ingredients of Solgar Beta 1,3 Glucans:Each Solgar Beta 1,3 Glucans tablet provides: Beta 1,3 Glucans (from yeast cell wall concentrate) - 200mg. Solgar Beta 1,3 Glucans is Tableted with these natural ingredients:microcrystalline cellulose, hydroxypropyl cellulose, cellulose gum, stearic acid, silicon dioxide, magnesium stearate, hydroxymethyl cellulose, titanium dioxide, sulphate ammonia caramel, vegetable glycerin.Directions For Use of Solgar Beta 1,3 Glucans:As a food supplement for adults one (1) to three (3) tablets daily with water or a small meal, or as directed by a healthcare practitioner. If you are pregnant, nursing, taking any medications or have any medical condition, please consult your healthcare practitioner before taking this product. Avoid this product if you are allergic to yeast. Food supplements should not be used instead of a varied balanced diet and a healthy lifestyle.