Articles & Insights

Mitochondrial Health After 40: Why Your Energy Dips and How to Rebuild It

Mitochondrial Health After 40: Why Your Energy ...

Hit a wall at 2 p.m.? Your mitochondria, not your willpower, are usually the reason. Here is the training, food, and supplement fix after 40.

Mitochondrial Health After 40: Why Your Energy ...

Hit a wall at 2 p.m.? Your mitochondria, not your willpower, are usually the reason. Here is the training, food, and supplement fix after 40.

Grip Strength After 40: The 30-Second Test That Predicts How Well You Age

Grip Strength After 40: The 30-Second Test That...

Grip strength predicts aging better than almost any number you can measure. Test yours in 30 seconds — then fix it in six weeks.

Grip Strength After 40: The 30-Second Test That...

Grip strength predicts aging better than almost any number you can measure. Test yours in 30 seconds — then fix it in six weeks.

Rucking After 40: The Weighted Walk That Builds Bone and Burns Fat

Rucking After 40: The Weighted Walk That Builds...

The weighted walk that builds bone, burns fat, and spares your knees — plus the six-week progression to start rucking after 40.

Rucking After 40: The Weighted Walk That Builds...

The weighted walk that builds bone, burns fat, and spares your knees — plus the six-week progression to start rucking after 40.

Vitamin D After 40: Why Your Levels Peak in August and Crash by February

Vitamin D After 40: Why Your Levels Peak in Aug...

Your vitamin D level is at its yearly peak right now — and it is downhill until March. Here is the autumn protocol that keeps it there.

Vitamin D After 40: Why Your Levels Peak in Aug...

Your vitamin D level is at its yearly peak right now — and it is downhill until March. Here is the autumn protocol that keeps it there.

Omega-3s After 40: EPA, DHA, and the Dose That Actually Matters

Omega-3s After 40: EPA, DHA, and the Dose That ...

A 1,000 mg fish oil softgel gives you about 300 mg of EPA and DHA. Here's the label math, the Omega-3 Index, and the dose that actually works.

Omega-3s After 40: EPA, DHA, and the Dose That ...

A 1,000 mg fish oil softgel gives you about 300 mg of EPA and DHA. Here's the label math, the Omega-3 Index, and the dose that actually works.

Hydration After 40: Why Summer Heat Hits Harder and How to Fix It

Hydration After 40: Why Summer Heat Hits Harder...

Thirst is a lagging signal after 40. Here is the sweat-rate test, the sodium math, and the 14-day heat plan that keep summer training strong.

Hydration After 40: Why Summer Heat Hits Harder...

Thirst is a lagging signal after 40. Here is the sweat-rate test, the sodium math, and the 14-day heat plan that keep summer training strong.