Practical, research-backed guides on filtering your tap water, shower and bath, what's actually in your city's supply, and the science of hydrogen water. Written in Sydney by the HolyH₂O team.
Of all the health outcomes studied in hydrogen water research, the evidence for blood sugar and metabolic health is among the most clinically compelling. Four separate human randomised controlled trials...
Of all the health outcomes studied in hydrogen water research, the evidence for blood sugar and metabolic health is among the most clinically compelling. Four separate human randomised controlled trials...
A 2024 systematic review synthesised 31 human clinical studies and concluded hydrogen-rich water is mostly considered safe, with no to minimal side effects and zero serious adverse events reported. Here's...
A 2024 systematic review synthesised 31 human clinical studies and concluded hydrogen-rich water is mostly considered safe, with no to minimal side effects and zero serious adverse events reported. Here's...
Poor sleep is one of the most common health complaints in Australia — and one of the least well-served by safe, non-pharmaceutical interventions. Melatonin has side effects at therapeutic doses....
Poor sleep is one of the most common health complaints in Australia — and one of the least well-served by safe, non-pharmaceutical interventions. Melatonin has side effects at therapeutic doses....
In October 2025, researchers from Monash University and Hudson Institute of Medical Research published a landmark study in Nature Microbiology revealing that hydrogen is not merely a byproduct of gut bacteria —...
In October 2025, researchers from Monash University and Hudson Institute of Medical Research published a landmark study in Nature Microbiology revealing that hydrogen is not merely a byproduct of gut bacteria —...
Hydrogen water improves skin through two distinct mechanisms — systemic antioxidant action when you drink it, and direct oxidative stress reduction at the skin surface when applied topically. Most people...
Hydrogen water improves skin through two distinct mechanisms — systemic antioxidant action when you drink it, and direct oxidative stress reduction at the skin surface when applied topically. Most people...
Most Australians assume installing a shower filter means calling a plumber. It doesn't. Every shower arm in Australia uses the same standard ½" BSP thread — and every quality shower...
Most Australians assume installing a shower filter means calling a plumber. It doesn't. Every shower arm in Australia uses the same standard ½" BSP thread — and every quality shower...
