<p>Nifedipine is 60-80% recovered in the urine as inactive water soluble metabolites, and the rest is eliminated in the feces as metabolites.<sup class="text-reference-group"><a class="reference-popover-link" data-content="FDA Approved Drug Products: Procardia XL Nifedipine Oral Extended Release Tablets" href="#reference-L11389">14</a></sup></p>