An ingredient can go from obscure to sold out in weeks and back to obscure within a year. The shape of that arc is set by the mismatch between how fast attention moves and how slowly food is grown.
Attention scales instantly, farming does not
A short video reaches a very large audience in days, and a meaningful fraction of that audience goes looking for the ingredient in the same week.
The crop supplying it was planted months or years earlier against forecasts made before anyone had heard of the video, so the quantity available is already fixed and cannot be increased on demand.
Shelves empty, prices rise, and the shortage itself becomes part of the story, which drives further searching and compresses the timeline further.
Supply arrives after the interest has moved
Growers and importers respond to the price signal, but the response takes a full growing cycle at minimum and often longer where perennial crops or specialist processing are involved.
By the time the additional volume lands, the audience that created the demand has moved to something else, since the same platforms that spread it reward novelty above repetition.
The result is a glut at exactly the moment interest has collapsed, which pushes prices below where they started and discourages the growers who expanded.
Substitutes fill the gap and damage the reputation
During the shortage, products appear that use the name loosely, blend the ingredient with cheaper material, or substitute something visually similar.
Consumers who try the ingredient for the first time through one of these versions form an impression of a food they have not actually eaten, and it is usually an unfavourable one.
That impression persists after supply normalises, which is one reason a viral ingredient rarely settles into steady popularity even when it deserves to.
Cooking context is what does not travel
Most viral ingredients arrive detached from the cuisine that developed them, presented as a single item rather than as a component with a role.
Used without that context, the ingredient underperforms, because the dishes it belongs to supplied the fat, acid or heat that made it work.
Ingredients that do stick around are generally those flexible enough to survive being used incorrectly for a year while people work out what to do with them.
The pattern repeats with predictable timing
The arc from obscurity to shortage to glut to indifference is consistent enough that suppliers now treat sudden demand with caution rather than enthusiasm.
Some hedge by contracting only part of the expanded volume, accepting a smaller upside in exchange for not being exposed when interest fades.
For a cook, the practical consequence is that the best time to buy is usually a year after the noise, when the crop is plentiful and nobody is watching.