What's the plural form of bioyogurt? Here's the word you're looking for.
Answer
The noun bioyogurt can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be bioyogurt.
However, in more specific contexts, the plural form can also be bioyogurts e.g. in reference to various types of bioyogurts
or a collection of bioyogurts.