In medicine:
* VSL#3: A specific brand of probiotic supplement containing eight strains of bacteria.
In technology:
* Very Small Language: A term used in natural language processing.
* Visual Studio Light: A lightweight version of Microsoft's Visual Studio IDE.
In other contexts:
* Video Stream Library: A library for working with video streams.
* Vision Systems Laboratory: A research laboratory focusing on vision and image processing.
To determine the correct meaning of VSL, you need more context. For example:
* What is the topic of discussion?
* What is the source of the acronym?
* Are there any other clues or surrounding words?
Once you provide more context, I can help you determine the specific meaning of VSL.