Study of the Administration of a Food Supplement in Patients With Lithiasis Treated With Extracorporeal Shock Wave Lithotripsy.

Exclusion Criteria

• •Lithiasis of more than 20 mm and less than 15 mm for the largest diameter.
• •Taking medications with influence on urinary lithogenesis (citrate, bicarbonate, thiazides, bisphosphonates, magnesium, calcium, vitamin B6, vitamin D, vitamin A, xanthine-oxidase inhibitors, uricosurics, probiotics, urease inhibitors, cystine binders, topiramate , antiretrovirals).
• •Taking medications that influence urine pH (citrate, bicarbonate, carbonic anhydrase inhibitors, L-methionine, vitamin C, ammonium chloride).
• •Taking selective serotonin reuptake inhibitor antidepressant medications.
• •Taking anticoagulants and antiaggregants.
• •ESWL contraindications: urine infection, active or recurrent; hemorrhagic diathesis; pregnant or lactating patients; others (extreme obesity, arterial aneurysm near the location of the stone, etc.).