An overwhelming majority of what we eat is made from plants and animals. This means that composition of our almost entire food is chemicals from the realm of organic chemistry (carbon-based large molecules). Water and salt are two prominent examples of non-organic foodstuffs - which come from the realm of inorganic chemistry. Beside some medicines is there any more non-organic foods? Can we eat rocks, salts, metals, oxides… and I just don’t know that?
Edible clay is something that is actually sold as a product for people to eat. It’s not metaphoric. It is exactly what it sounds like.
There’s an MLM that just sells mud, then people eat the mud. I don’t understand.