Is white stuff a marshmallow product?

No, white stuff is not a marshmallow product. Marshmallows are a type of confectionery that are made from sugar, corn syrup, water, and gelatin. They are typically white in color, but can also be found in other colors such as pink, yellow, and green. White stuff, on the other hand, is a term that can refer to a variety of different things, including:

* A type of discharge that is produced by the human body. This can include things like pus, mucus, and semen.

* A type of drug. This can include things like cocaine, heroin, and methamphetamine.

* A type of food. This can include things like mayonnaise, sour cream, and yogurt.

Therefore, it is not possible to say for sure what white stuff is without more information.