Revornyn NightLock

Almost certainly because the bottle you tried did not have a Proton Exchange Membrane (PEM/SPE). Without this membrane, the electrolysis process produces ozone and chlorine as by-products — which dissolve into the water alongside the hydrogen. You were drinking a dilute chemical cocktail. The chlorine taste, the headaches, the sense that "it didn't do anything" are consistent reports from Amazon hydrogen bottle users for exactly this reason. VitalCell UK's dual PEM/SPE membrane separates all by-products and expels them through a dedicated vent. What reaches your water is pure H₂ at 3,000+ PPB. That is a categorically different product.

Most customers notice cognitive clarity changes first — typically between weeks two and four. The afternoon wall lifts, word retrieval sharpens, the specific flatness that no amount of sleep resolves begins to ease. Sleep quality improvements tend to follow at weeks four to six. Caffeine reduction — the second coffee becoming optional — usually consolidates by week six to eight. <strong>This is not a supplement that works in days.</strong> The mechanism involves reducing accumulated oxidative stress at a cellular level. That is a gradual, measurable process. Customers who expect instant results and stop at week one miss the window where the chemistry begins to register.

Yes. Molecular hydrogen (H₂) is the simplest molecule in existence. It is non-toxic, non-reactive with beneficial cellular processes, and produces no known adverse effects at therapeutic concentrations. Over 1,200 peer-reviewed studies across fifteen years of modern research have examined molecular hydrogen in human and animal models without identifying safety concerns. Hydrogen water is consumed daily by millions of people in Japan and South Korea where it is commercially available in convenience stores. The PEM/SPE process produces only pure H₂ dissolved in water — no ozone, no chlorine, no chemical residue.

Yes — and filtered water produces a marginally better result. Lower mineral content means the PEM/SPE membrane operates with less interference and produces a fractionally higher hydrogen concentration. Tap water works correctly and consistently. Bottled still water also works well. The one type to avoid is heavily carbonated water — dissolved CO₂ interferes with the electrolysis process.

The 500mAh lithium battery provides up to 20 full cycles per charge — approximately three weeks of daily use. USB-C charging takes approximately 90 minutes. For maintenance: rinse the bottle after each use and run a cleaning tablet cycle once per month. This prevents mineral buildup on the membrane and maintains certified output concentration over time. Properly maintained, the membrane retains its specification for a minimum of 12 months of daily use.

Contact us and we refund in full. No conditions. No questions. No requirement to return the bottle. The 90-day guarantee is unconditional because we believe asking someone to pay for something that doesn't work for them is not a business model we are willing to operate. In practice, fewer than 4% of customers request a refund. We publish this figure because transparency matters more than the impression of perfection.

Because there is no commissioning pathway, no NICE protocol, and no pharmaceutical company funding the development of one. Molecular hydrogen cannot be patented. It cannot be synthesised into a prescribable product. There is no commercial incentive for the system to develop a clinical guideline for something it cannot monetise. This is not a failure of the science — the evidence base is robust and growing. It is a structural consequence of how healthcare research funding works. As Dr. Priya Mehta told our investigation: "If women could access this at home, at a sensible price, that would genuinely change what I can offer NHS patients.