What are blue pills with nothinig on them?

Blue pills with no markings can be difficult to identify, as many unmarked pills may not be pharmaceutical-grade and could potentially be illicit substances. Commonly, they might be counterfeit drugs, over-the-counter medications, or other substances. If you find an unmarked pill, it's essential to avoid consuming it and consult a healthcare professional or pharmacist for proper identification and safety guidance. Always prioritize your health and safety when dealing with unknown substances.