The Alkanatur Drops® filter jug and filters are backed by rigorous international certifications that guarantee their safety and quality. The Granada Institute of Biomedicine confirms that its components do not present estrogenic or androgenic activity, guaranteeing the absence of endocrine disruptors. Furthermore, the prestigious Oliver Rodés laboratory has verified, under the UNE 149101* standard, that the product is free of more than 200 toxic substances. Finally, the National Institute of Public Health of Poland, one of the most rigorous and prestigious scientific and healthcare institutes in Europe, through its Food Safety Department, certifies that the jug and filter meet the highest health safety requirements, which also gives the certificate high international recognition and credibility.