R100 Pill
3 pills in FDA label data carry the imprint R100, including White Round Metoprolol Tartrate 100 mg, made by REMEDYREPACK INC. and 13 others. Compare color, shape and size to narrow it down. Appearance alone can't confirm what a pill contains.
3 possible matches
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.