What are NAD injections and do they actually work?

The longevity crowd has a new favourite molecule—and this time, they’re injecting it. NAD (short for nicotinamide adenine dinucleotide) is a coenzyme found in every cell in your body, where it plays a critical role in cellular energy production, DNA repair, and metabolic function. As we age, NAD levels decline. That decline has been linked…

November 17, 20250Comments

ByJon Lipsey

NUTRITION

The Truth About Supplements, Sleep and Shrinking for Longevity

Judd Lienhard is surprisingly open to questions about mortality. Behind the 250 pounds of muscle is a man unusually willing to confront what that mass means for his long-term health and to plan for its eventual disappearance. “I do not plan to be doing this when I’m 70,” he says flatly. His goal? Drop fifty…

November 8, 20250Comments

ByDr Jonny Rees

HEALTH Vanguard

Can stem cells provide a longevity breakthrough?

Longevity is dominating the cultural and scientific zeitgeist as a health domain, spanning serious medicine, lifestyle optimisation, speculative biotech and cultural fantasy. Everyone wants more years but not everyone is prepared to talk honestly about what those years actually require. Dr Elisabeth Roider is an exception. When the physician-investor discusses longevity, she doesn't start with…

August 6, 20250Comments

ByJon Lipsey

NUTRITION Explainer

What is liposomal vitamin C and is it worth it?

In the crowded world of supplements, vitamin C has long been a staple—cheap, well-researched, and widely trusted. But in recent years, a new contender has emerged, promising to supercharge the benefits of this classic nutrient: liposomal vitamin C. Wrapped in a layer of fat-like molecules called liposomes, this version of vitamin C claims to bypass…

November 8, 20240Comments

ByJon Lipsey

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…

November 5, 20240Comments

ByJon Lipsey

NUTRITION Explainer

What is choline chloride and should you be taking it?

When it comes to micronutrients with a PR problem, choline chloride is near the top of the list. It rarely features in the spotlight like magnesium or omega-3s, but behind the scenes it plays a starring role in how your brain functions, how your liver processes fat, and how your cells communicate. Once dismissed as…

September 16, 20240Comments

ByJon Lipsey

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TRAINING Vanguard

Dr Stacy Sims PhD: Should you exercise on your period?

Dr Stacy Sims, PhD Dr Stacy Sims, PhD, is an exercise physiologist and nutrition scientist who aims to revolutionise exercise nutrition and performance for women. She has published more than 70 peer-reviewed papers, and authored female-focused performance optimisation books, Roar, and Next Level, which challenge the existing dogma around exercise, nutrition, and health for women.…

July 26, 20240Comments

ByJoe Warner

HEALTH Upgrade

Don’t let jet lag ruin your next adventure

Andrew Herr Andrew Herr is the founder and CEO of performance concierge service Fount and a leader in human performance optimisation. He has worked with elite athletes and the US military, where he spearheaded groundbreaking biotech and human performance studies. Follow him on X. Visit fount.bio. Never suffer jet lag again! Jet lag, that unwelcome…

July 15, 20240Comments

ByJoe Warner

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BUSINESS Opinion

Examine’s Sol Orwell: Bad bosses are on borrowed time

Sol Orwell Sol Orwell is an entrepreneur, author, public speaker, and the co-founder and CEO of Examine.com, which provides evidence-based analysis on supplements and nutrition. He lives in Toronto, Canada. Follow him on X. Visit examine.com. Part 1: Building an online business Inspired by seeing the same creatine question get asked over and over again…

July 6, 20240Comments

ByJoe Warner

magnesium-spray-health-recovery-muscle-fatigue-mineral-nutrient-supplement

HEALTH Explainer

What is magnesium spray and do you need it?

Magnesium is a vital mineral that plays a crucial role in over 300 biochemical reactions in the body, affecting everything from muscle function and nerve transmission to energy production and bone health. Yet despite its profound importance, many people do not get enough magnesium from their diets alone. Indeed, approximately 50% of Americans have insufficient…

July 3, 20240Comments

ByJoe Warner

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