Plasmolysed herbal yeast liquid To help support the body when life demands that little bit extra Suitable for vegetarians, no artificial colours, flavours or preservatives Strath herbal yeast formula to help support the body when life demands that little bit extra. Yeast cells of the Saccharomyces Cerevisiae Myen types are combined with selected herbal extracts in the special Strath process. the subsequent fermentation procedure gently plasmolyses (opens up) the yeast cells. The unique Strath herbal yeast obtained in this way contains numerous essential nutrients.