Platinum-Enhanced Hydrogen Water and Antioxidants in Lab Tests
Colloidal platinum in hydrogen-rich water exhibits radical-scavenging activity and improves blood fluidity
Research hubs: Oxidative Stress · Cardiovascular System
This research was done on cells or tissue in a lab, not in people or animals.
- Evidence type
- Laboratory study (cells or tissue)
- Authors
- Shinya Kato, Ryoji Hokama, Hajime Okayasu, Yasukazu Saitoh, Keizou Iwai, Nobuhiko Miwa
- Journal
- Journal of Nanoscience and Nanotechnology
- Year
- 2012
- PMID
- 22852342
- Study Type
- Molecular Assay
- Delivery
- Water (Electrolysis)
- Dose
- Hydrogen-rich water (0.82 ppm) with colloidal platinum (0.25-1.0 ppm) incubated for 24 hours
- H₂ concentration
- 0.82 ppm
- Duration
- 1 day or less
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 23 (OpenAlex, as of November 2026)
- Country
- Japan
TL;DR
Adding tiny particles of platinum to hydrogen-rich water enhances its antioxidant effects, improving blood flow and protecting blood cells from damage.
Key Finding
Platinum particles dispersed in hydrogen-rich water reduced harmful free radicals far more effectively (to 5.6–16.1% of original levels) than platinum in regular water (59.6–77.5%) or hydrogen-rich water alone (81.3%), and significantly improved blood flow through microscopic channels in laboratory tests.
Summary
Researchers tested a combination of tiny platinum particles and hydrogen-rich water to see if it could protect blood cells from damage caused by oxidative stress (a type of cellular damage). Using laboratory tests with horse blood, they found that platinum particles in hydrogen-rich water were better at neutralizing harmful molecules called free radicals and improved how easily blood flowed through tiny channels compared to either ingredient alone.
Practical Takeaway
This is an early laboratory study using horse blood samples, not human testing, so it cannot yet support health claims for people. While the results suggest the combination may have antioxidant effects in controlled conditions, much more research—including human trials—would be needed to determine if hydrogen-rich water with platinum has any practical health benefits. The study does not indicate whether this combination would work the same way inside the human body.
Abstract (excerpt)
The 'colloidal platinum' stabilized with polyvinylpyrrolidone (Pt/PVP-colloid) was dispersed in hydrogen-rich water (HW; hydrogen concentration, 0.82 ppm; oxidation-reduction potential, -583 mV) or regular water (RW; <0.01 ppm, +218 mV). And we evaluated the antioxidant activity of Pt/PVP-colloid…