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The Longevity Brief

From peptide protocols to stem cell therapy, a new generation of men are refusing to accept that decline is inevitable. Subscribe to learn what they know that most men don't.

Normal Testosterone is not the same as Optimal Testosterone.

Sep 15, 2026

Normal Testosterone is not the same as Optimal Testosterone.

Idiopathic hypogonadism, explained without the jargon

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A weight-loss drug just slowed ageing by 9%.

Sep 8, 2026

A weight-loss drug just slowed ageing by 9%.

Two to seven years of biological age, according to one study

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The real case for melatonin (and where the hype outruns the evidence)

Sep 1, 2026

The real case for melatonin (and where the hype outruns the evidence)

Sleep science, dosing and the antioxidant angle nobody explains properly.

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The most boring supplement in longevity has the best evidence

Aug 25, 2026

The most boring supplement in longevity has the best evidence

Preheader: Decades of muscle data, and now a growing case for cognition too. Here is what is proven and what is still early.

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Testosterone cream for your face: real science or a good story

Aug 18, 2026

Testosterone cream for your face: real science or a good story

We read the original paper so you do not have to take a clinic's word for it.

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Your VO2 max matters more than your cholesterol

Aug 11, 2026

Your VO2 max matters more than your cholesterol

It predicts your risk of death better than smoking status, blood pressure, or diabetes. Most men have never had it measured

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