Jason from Dad OS

You don’t have a fat problem. You have a muscle problem.

Apr 28, 2026

•

2 min read

You don’t have a fat problem. You have a muscle problem.

Why most fat loss plans for dads 40+ backfire — and the 3-move fix that actually works.

Jason from Dad OS

Fatloss

[Bonus] Your Saturday already counts. You just aren’t getting credit for it.

Apr 23, 2026

•

1 min read

[Bonus] Your Saturday already counts. You just aren’t getting credit for it.

Why weekend yard work counts as a real workout — and the Harvard study that proves it.

Jason from Dad OS

Nutrition

Stressed about money? Your cortisol is the real debt.

Apr 21, 2026

•

2 min read

Stressed about money? Your cortisol is the real debt.

Financial stress triggers the same hormonal cascade as physical danger — 3 moves to break the cycle.

Jason from Dad OS

Supplements

The supplement 73% of men over 40 are missing

Apr 14, 2026

•

4 min read

The supplement 73% of men over 40 are missing

One cheap, well-studied supplement most guys skip — and how to know if you’re deficient.

Jason from Dad OS

Supplements

[Bonus] Tax Day stole your sleep. Here’s how to get it back tonight.

Apr 9, 2026

•

2 min read

[Bonus] Tax Day stole your sleep. Here’s how to get it back tonight.

A 5-minute wind-down protocol that works even when your brain won’t shut off. Timely for tax week.

Jason from Dad OS

Nutrition

You don’t need more time. You need fewer decisions.

Apr 7, 2026

•

2 min read

You don’t need more time. You need fewer decisions.

Decision fatigue is stealing 2+ hours a day. Three systems to reclaim your evenings.

Jason from Dad OS

Nutrition

[Bonus] Easter candy, family dinners, and your gut. A survival guide.

Apr 2, 2026

•

2 min read

[Bonus] Easter candy, family dinners, and your gut. A survival guide.

How to enjoy Easter weekend without the guilt...the 80/20 approach for real dads.

Jason from Dad OS

Nutrition

The muscle you’re losing right now (and don’t even notice)

Mar 31, 2026

•

2 min read

The muscle you’re losing right now (and don’t even notice)

After 40, you lose ~1% of muscle per year. Here’s the 3-move resistance plan to reverse it.

Jason from Dad OS

Longevity

Your battery died over winter. Here’s how to recharge it in 7 days.

Mar 24, 2026

•

2 min read

Your battery died over winter. Here’s how to recharge it in 7 days.

A 7-day spring energy reset: morning light, protein timing, and one evening swap.

Jason from Dad OS

Longevity

The one number that predicts how long you'll live (it's not your weight)

Mar 18, 2026

•

2 min read

The one number that predicts how long you'll live (it's not your weight)

Your grip is telling you something. Are you listening?

Jason from Dad OS

Jason from Dad OS

You don’t have a fat problem. You have a muscle problem.

[Bonus] Your Saturday already counts. You just aren’t getting credit for it.

Stressed about money? Your cortisol is the real debt.

The supplement 73% of men over 40 are missing

[Bonus] Tax Day stole your sleep. Here’s how to get it back tonight.

You don’t need more time. You need fewer decisions.

[Bonus] Easter candy, family dinners, and your gut. A survival guide.

The muscle you’re losing right now (and don’t even notice)

Your battery died over winter. Here’s how to recharge it in 7 days.

The one number that predicts how long you'll live (it's not your weight)

// Dad OS //
Dads over 40 are losing energy, muscle, and time. Not you. Dad OS — one cheat code. 300 words. Every Tuesday.

Quick Links

Subscription

Jason from Dad OS

You don’t have a fat problem. You have a muscle problem.

[Bonus] Your Saturday already counts. You just aren’t getting credit for it.

Stressed about money? Your cortisol is the real debt.

The supplement 73% of men over 40 are missing

[Bonus] Tax Day stole your sleep. Here’s how to get it back tonight.

You don’t need more time. You need fewer decisions.

[Bonus] Easter candy, family dinners, and your gut. A survival guide.

The muscle you’re losing right now (and don’t even notice)

Your battery died over winter. Here’s how to recharge it in 7 days.

The one number that predicts how long you'll live (it's not your weight)

// Dad OS //Dads over 40 are losing energy, muscle, and time. Not you. Dad OS — one cheat code. 300 words. Every Tuesday.

Quick Links

Subscription

// Dad OS //
Dads over 40 are losing energy, muscle, and time. Not you. Dad OS — one cheat code. 300 words. Every Tuesday.