Preventa deuterium-depleted drinking waters, protected by international trademarks, are premium bottled waters, their reliable quality is controlled and certified by accredited institutes and pharmaceutical-grade laboratories.

The deuterium-concentration of Preventa deuterium-depleted drinking water products is measured according to verified measurement protocol with liquid water isotope laser analyzer, the pharmaceutical-grade microbiological purity is verified and certified by independent accredited pharmaceutical laboratory.

The results of the measurements are recorded, retained and archived, therefore our products can be traced back for years. These records are available upon request.

Preventa® is made of deuterium-depleted water and high-quality natural spring water, the product family is market leader among deuterium-depleted water products since 1999.