Deuterium-depleted water (DDW) is water that has a lower concentration of deuterium (a heavy isotope of hydrogen) than normal water. Regular water contains about 150 ppm (parts per million) of deuterium, while DDW typically has levels reduced to around 25–125 ppm, depending on the product.

Why is it interesting?

• Biological impact: Some studies suggest that lowering deuterium levels in the body may influence cellular metabolism, mitochondrial function, and potentially slow down certain disease processes.
• Cancer research: There’s ongoing research into DDW as a complementary therapy for cancer, based on the hypothesis that deuterium affects cell division.
• Longevity and energy: Advocates claim DDW may support better energy production and overall health, though evidence is still emerging.

How is it made?

• DDW is produced through fractional distillation or other processes that separate deuterium from regular water molecules.

Safety and cost:

• It’s generally considered safe, but it’s expensive compared to regular water.
• Clinical evidence is limited, so it’s not a mainstream medical recommendation yet.