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.

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TRAINING Explainer

Fasted cardio for women: should you train on empty?

Fasted cardio is exactly what it sounds like: doing cardiovascular exercise—usually in the morning—before you’ve eaten anything. The thinking is simple: if you train without food in your system, your body will burn more fat for fuel, helping you lean out faster. For men, especially those who are metabolically healthy, this approach can sometimes support…

ByJon LipseyMay 18, 20250Comments

MIND Upgrade

Tap into the power of a growth mindset

You know how every friendship group has that one person who’s always trying new things and somehow manages to lift the spirits of everyone around them? They’re the ones who see things positively, spot opportunities in tough situations and just generally seem happier than everyone else. Then there’s the other character - the one who’s…

ByJon LipseyMay 10, 20250Comments

HEALTH Explainer

What is TB-500? The recovery peptide with a cult following

If you’re the kind of person who reads about peptides, you’ve probably heard of TB-500. You may even have a vague idea that it helps with recovery or muscle repair. What you may not know is just how widely it's used or how flexible it is. “TB-500 maybe gets a little less attention than BPC-157,”…

ByJon LipseyApril 7, 20250Comments

HEALTH

Epitalon – the anti-ageing peptide you’ve never heard of

When it comes to longevity, most of us want clarity. A plan. A scientific map with a neatly marked route to a longer, sharper, better life. But talk to Dr Neil Paulvin, Manhattan physician to athletes, entrepreneurs and executives looking to “go beyond baseline” and you’ll get something more nuanced. Something more honest. Take Epitalon.…

ByJon LipseyMarch 8, 20250Comments

dr stacy sims on why women are not small men

TRAINING

Dr Stacy Sims: why women are not small men

For most of the past century, exercise physiology was built on data collected almost entirely from men. Training protocols, nutrition guidelines, recovery prescriptions — the foundational research was done overwhelmingly on male subjects, and the findings were generalised to women on the assumption that female physiology was just a smaller, lighter version of male physiology.…

ByJon LipseyMarch 4, 20250Comments

HEALTH Explainer

What Is Peptide Therapy? Exploring the Science, Benefits and Legal Status

Peptides are one of the most exciting developments in preventative and performance-based health. But with all the hype around fat-burning peptides, anti-aging injections, and recovery boosters, a fundamental question still needs answering: what is peptide therapy? This post gives you a clear, science-based overview of what peptide therapy is, how it works, who it’s for,…

ByJon LipseyDecember 13, 20240Comments

HEALTH Explainer

Epitalon: The Anti-Ageing Peptide That Claims to Extend Life

Epitalon has earned a reputation as one of the most promising peptides in the anti-ageing world. It’s often described as a tool to reset the biological clock, protect DNA, and extend life itself. Some claim it can improve sleep, reduce signs of ageing, and even reduce cancer risk. On the surface, it sounds like a…

ByJon LipseyNovember 21, 20240Comments

HEALTH Explainer

BPC-157 side effects: what the evidence actually shows

BPC-157 is one of the most discussed peptides on the wellness internet and one of the least documented in the human clinical literature, and the gap between those two facts is where most of its safety story sits. The compound has been studied in laboratories for more than thirty years. It has been studied in…

ByJon LipseyNovember 6, 20240Comments

HEALTH Explainer

What is zinc sulfide and what is it used for?

Zinc sulfide doesn’t show up in everyday health conversations. It doesn’t headline nutrition panels, nor does it make wellness trend forecasts. But behind the scenes, this humble compound is quietly powering a wide range of applications—from phosphorescent materials and optical devices to pigment bases and, in some cases, even skincare. At first glance, it might…

ByJon LipseyNovember 5, 20240Comments

HEALTH Explainer

BPC-157 Benefits: The Underground Peptide That Heals Fast — But Comes With Questions

In an era of cutting-edge health interventions, BPC-157 is one of the most talked-about — and most intriguing — compounds around. It’s a synthetic peptide said to supercharge healing, repair tissue like nothing else, and calm inflammation almost overnight. You won’t find it on pharmacy shelves. It’s not FDA-approved. And yet, it’s quietly circulating among…

ByJon LipseyOctober 26, 20240Comments

Jon Lipsey

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