Jon Lipsey

Jon Lipsey is the co-founder and Content Director of Unfiltered. The most successful UK editor in the history of Men's Fitness magazine, he has spent more than two decades working in health, fitness, longevity and human performance. He has interviewed leading figures in sport, politics and business, such as Pelé, Lord Coe and Bryan Johnson. He speaks at industry events including The Longevity Show and advises health brands on strategy and storytelling.

129 articles published Follow:

dr tommy wood stimulated mind fasting autophagy exercise study

NUTRITION Opinion

Does fasting trigger autophagy in humans? Barely, and exercise does it faster

Fasting is one of the longevity movement's favourite rituals but the main reason people give for it does not hold up well in humans. The promise is autophagy. Skip food for long enough and the body, short of incoming fuel, starts breaking down and recycling its own worn-out parts. That much is real. The catch…

ByJon LipseyJuly 3, 20260Comments

TECH

The GLP-1 boom has a retention problem. Withings has a fix

Give a patient a GLP-1 prescription and send them home, and there is a decent chance the drug outlives their commitment to it. Six-month retention runs at around 45 per cent, by the estimate of a company sitting on data from more than 600,000 GLP-1 patients. Wrap the same drug in a coaching service and…

ByJon LipseyJuly 3, 20260Comments

BUSINESS Great minds

The investor who bought Bitcoin at $7 on why longevity is the next AI

Marc P. Bernegger started an internet company before the average person was online. He bought Bitcoin at $7. And he walked towards a little-known longevity expert at a conference after the man had said something so radical it caused members of the audience to walk out. That expert was the now-pioneering gerontologist Aubrey de Grey.…

ByJon LipseyJuly 2, 20260Comments

HEALTH Explainer

Cold and the female body: Why women and men don’t freeze the same way

Put a woman and a man in the same room at the same temperature, and the woman's hands, feet and ears will be colder. Not because she's imagining it. Because her body is measurably colder at the surface, and has organised itself that way on purpose. The short answer to the question the ice-bath industry…

ByJon LipseyJune 16, 20260Comments

HEALTH

The Mayo Clinic pharmacist who nearly died of what she now teaches others to find

In 2021, Dr Adrijana Kekic, a Mayo Clinic pharmacogenomic specialist with three decades of training in pharmacology and personalised medicine, passed out on her kitchen floor of something preventable that her own physicians, and even her own framework, had missed. Standard testing had been done within a week of the event. Symptoms had been present.…

ByJon LipseyJune 12, 20260Comments

TECH

Why YOU(th) is betting against proprietary tech in smartphone health screening

YOU(th) raised $4.5m in February. The number is unremarkable. The thinking behind the product is worth a closer look. In late February 2026, the German startup closed a $4.5m round led by Callisto Health, with caesar., adesso Ventures, Antler, Moonstone and 1024 Ventures alongside, plus angel cheques from Jean-Charles Samuelian (Alan, Mistral AI) and Patrick…

ByJon LipseyMay 26, 20260Comments

enhanced games world record swim gkolomeev

BUSINESS

The Enhanced Games came to Vegas and hit the jackpot

Plenty of people have closed their eyes and had one a final throw of the dice in Vegas. Most of them walk away with nothing. Tonight, Kristian Gkolomeev of Greece is going home with $1.25m after breaking the Men’s 50m Freestyle record, clocking 20.81 in the final event of the night at the inaugural Enhanced…

ByJon LipseyMay 25, 20260Comments

HEALTH Investigation

What it feels like to be an Enhanced Games athlete

"If I wanted a doctor's opinion on whether or not people's health is at risk, I would go to a doctor. Not Kieren Perkins." It takes a lot to push James Magnussen, the three-time Olympic medallist and two-time world champion in the 100m freestyle, out of his naturally relaxed and jovial demeanour. But that’s what…

ByJon LipseyMay 24, 20260Comments

BUSINESS Investigation

Who actually runs longevity in 2026

Longevity has stopped being a Silicon Valley curiosity. Over the past four years, the field has crossed the line from speculative science to institutional industry. Tech billionaires have poured billions into it. Sovereign wealth funds have arrived. The first human trial of partial cellular reprogramming starts this year, with FDA clearance already in hand. A…

ByJon LipseyMay 20, 20260Comments

SPOTLIGHT Investigation

Inside the Enhanced Games: The untold story of the world’s most controversial sporting event

During a Zoom call on the 26th January 2024, Aron D'Souza, founder of the Enhanced Games, revealed something to me that he asked me to keep to myself. The Enhanced Games, which takes place in Las Vegas on Sunday, is the world's first sporting competition in which athletes are permitted to use performance-enhancing substances banned…

ByJon LipseyMay 20, 20260Comments

Jon Lipsey

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