I 51 Pill
The imprint I 51 matches Yellow Oval Pantoprazole Sodium 20 mg, made by American Health Packaging and 17 others in FDA label data. Appearance alone can't confirm what a pill contains.
1 possible match
Drawings are illustrations made from label data, not photos. A pill's appearance can't confirm what it contains: look-alike and counterfeit pills exist. If in doubt, ask a pharmacist. FDA on counterfeit medicine ↗
Results come from FDA drug labels. Many different pills share similar imprints. Never take a medication you can't identify with certainty.