Higher Nature Truefood inniheldur einnig (fengið af vefsíðu Heilsuhússins): True Food nutrients also contain B vitamins, betaglucans, glutathione, choline, inositol, amino acids and other phytonutrients naturally found in fermented food cultures of Saccharomyces cerevisiae (food yeast). 1 From Lithothamnion calcarea (calcified seaweed).