The best Radioiodine therapy clinics in Mexico hold JCI and General Health Council accreditations, operating in cities like Puerto Vallarta. According to Bookimed’s ranking, the top clinic is Holistic Bio Spa®. It stands out for serving 5,000+ patients annually and offering integrative cancer care. When choosing a provider, look for board-certified nuclear medicine specialists, international accreditation, and proven patient outcomes, with a balance of safety and cost. Always consult a qualified nuclear medicine specialist before making a decision.