Here are three reviews reflecting different student perspectives on using labelled Sketchy Micro resources: The "Memory-Saver" Review
The takeaway is simple: If a product requires a microscope to be safe, it is not safe. The term "sketchy" is a warning label in itself. When you see "micro labelled" in a product description, translate that in your head to "Willfully Obscure Danger." sketchy micro labelled
Watching the full videos (which range from 5 to 20 minutes) can be time-consuming during intense study blocks like USMLE Step 1 prep. Labeled images serve several purposes: The Sketchy Part: A vial labeled "Liquid RAD-140"