The label is part of the definition
On this page11
Three elements, and the third is printing
A dietary supplement is a product intended for ingestion in a particular form, not represented for use as a conventional food or as a sole item of a meal or the diet, and labeled as a dietary supplement.
Which is unusual in this library
Every other spine here regulates a package: how big it may be, what must be printed on it, what it must be tested to. This one makes the printing part of what the product legally is.
So the package is constitutive
Take the words off and the product is not a dietary supplement that is badly labeled. It is a different thing, assessed under different rules.
And the second element cuts the other way
Represent it for use as a conventional food, or as a sole item of a meal, and it fails (B). So the label both qualifies the product and can disqualify it.
Which puts a lot of weight on wording
A powder that is described as a drink mix, a meal or a food is making a claim about which definition it falls in, whatever the maker intended.
The deeming clause closes the loop
A dietary supplement "shall be deemed to be a food within the meaning of this chapter", with two stated exceptions. So it is a food that got there by being labeled as something else.
None of which tells you what you may sell
That depends on the ingredient, and the ingredient question has its own section and a date rather than a chemistry at the center of it.
This property makes no ingredient calls at all
Not about kava, kratom, blue lotus, amanita, delta-8 or any mushroom extract. Those are per-ingredient determinations and a container catalog is not where they get made.
What it can do is name the mechanism
The label is an element of the definition, and a date in 1994 governs the ingredient. Both are checkable and both are quoted here.
And then be honest about the shelf
Which is shared with two other groups and which, measured today, is a third out of stock. That is the containers section.