[Scubabear68]

Nope.

As a trivial example, someone with celiac’s disease is not going to value your gluten ridden bread very high.

[lo_zamoyski]

The nutritional value of bread is still in the bread, even if celiac disease impedes or frustrates access to that value.

[Peanuts99]

There are intrinsic properties of bread such as calorific content that a celiac can't deny. Same with gold.