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Workout

Fatloss

+2

The cardio mistake costing you 6 hours a week (and zero new muscle)

Jul 14, 2026

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2 min read

The cardio mistake costing you 6 hours a week (and zero new muscle)

After 40, walking burns the fat — but only strength training keeps the muscle. Here’s the add.

Jason from Dad OS
Jason from Dad OS

Nutrition

+2

[Bonus] How to BBQ the 4th without unraveling 6 weeks of progress

Jul 1, 2026

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1 min read

[Bonus] How to BBQ the 4th without unraveling 6 weeks of progress

Enjoy the cookout, keep the progress. The 80/20 plan for the 4th of July.

Jason from Dad OS
Jason from Dad OS

Strength

+1

The 30-minute recomp window: fit it between the kids and the calendar

Jun 23, 2026

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1 min read

The 30-minute recomp window: fit it between the kids and the calendar

Three 30-minute lifts beat one 90-minute weekend grind. Here’s where to find the time.

Jason from Dad OS
Jason from Dad OS

Supplements

+2

The 20-minute stress-killing workout (no gym, no gear)

May 12, 2026

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1 min read

The 20-minute stress-killing workout (no gym, no gear)

A bodyweight circuit built to crush cortisol and boost energy when life is a mess.

Jason from Dad OS
Jason from Dad OS

Nutrition

+1

Summer is 6 weeks out. Here’s your pre-game checklist.

May 5, 2026

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1 min read

Summer is 6 weeks out. Here’s your pre-game checklist.

A simple 3-move plan: one strength habit, one nutrition swap, one recovery ritual. Start now.

Jason from Dad OS
Jason from Dad OS

Fatloss

+2

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

Apr 23, 2026

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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
Jason from Dad OS

Nutrition

+1

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

Apr 2, 2026

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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
Jason from Dad OS

Nutrition

+2

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

Mar 31, 2026

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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
Jason from Dad OS

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


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