Also there are many breakfast cereals that do no contain much, if any, sugar or salt. eg unflavoured porridge.Come on.

Distilled Resources Inc, also in Idaho, ferments, distils and bottles high-end flavoured and unflavoured vodkas for dozens of brands who contract with the company.

It would certainly be wise to discard meat and salt in a case of this kind, but yeast is sometimes useful taken as “unflavoured Marmite.”