Beta glucan supplements is pharma nords bio glucan plus containing beta 1 31 6 glucansas well as selenoprecise a patented highly absorbable organic selenium yeast and vitamin d3 both of which contribute to normal function of the immune system bio glucan plus contains yestimum beta glucans with a high degree of purity 85 this source has been chosen because of the greater purity the more effectively the glucans are recognised by the body bio glucan plus may particularly benefit indiv