Subcapsular hematoma is an exceedingly rare complication of extracorporeal shockwave lithotripsy (ESWL) for renal stones with cases demonstrating evidence of active arterial bleeding even more so. A 49-year-old male presented with acute onset right flank pain two hours following ESWL. CT scan with contrast revealed active contrast extravasation consistent with arterial bleeding. https://parisnaturalfoodes.shop/product-category/raw-b-12/