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Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

4 numbers to write down today (your 90-day scorecard)

Nov 3, 2026

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1 min read

4 numbers to write down today (your 90-day scorecard)

Jason @ Dad OS
Jason @ Dad OS

Strength

+1

30 seconds, twice a day, for cranky joints

Oct 29, 2026

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1 min read

30 seconds, twice a day, for cranky joints

Your tendons don't get stronger the way your muscles do.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+1

5 lies your scale tells you after 40

Oct 27, 2026

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1 min read

5 lies your scale tells you after 40

It's a smoke detector, not a thermostat.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+1

Grade your week in 60 seconds

Oct 22, 2026

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1 min read

Grade your week in 60 seconds

Five questions. No judgment. Just a score.

Jason @ Dad OS
Jason @ Dad OS

Supplements

+2

Count for three days. Then quit counting.

Oct 20, 2026

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1 min read

Count for three days. Then quit counting.

Most of you buy protein powder. Almost none of you know yesterday's number.

Jason @ Dad OS
Jason @ Dad OS

Strength

+1

Cardio isn't the enemy. The order is.

Oct 15, 2026

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1 min read

Cardio isn't the enemy. The order is.

Same workout, different order, very different result.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+2

For those of you who train zero days a week

Oct 13, 2026

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1 min read

For those of you who train zero days a week

No judgment. Here's the two-week restart, and it's deliberately too easy.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

Losing fat or losing muscle? 3 questions tell you

Oct 8, 2026

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1 min read

Losing fat or losing muscle? 3 questions tell you

The scale can't tell the difference. These can.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+1

Your protein number in 30 seconds

Oct 6, 2026

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1 min read

Your protein number in 30 seconds

One number. No app. No math class.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+2

Nobody's handing you a program

Sep 29, 2026

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1 min read

Nobody's handing you a program

Three in ten of you said you don't know what to do. So here's one workout, run three times a week.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+2

The mirror is the goal. So measure it.

Sep 24, 2026

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2 min read

The mirror is the goal. So measure it.

Half of you told me the mirror is the point. Almost none of you are actually tracking it.

Jason @ Dad OS
Jason @ Dad OS

Strength

+2

Your shoulder isn't a reason to stop

Sep 22, 2026

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2 min read

Your shoulder isn't a reason to stop

Three in ten of you named pain as the thing in your way. Here's how to train around it.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+2

Your 3 PM coffee is stealing tomorrow’s energy

Sep 15, 2026

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1 min read

Your 3 PM coffee is stealing tomorrow’s energy

First day of fall, shorter days, bigger slumps. The afternoon cup isn’t fixing the loop — it’s the loop.

Jason @ Dad OS
Jason @ Dad OS

Strength

+1

Does Cardio Burn Muscle? What Actually Eats Your Gains After 40

Sep 10, 2026

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2 min read

Does Cardio Burn Muscle? What Actually Eats Your Gains After 40

Cardio isn't the thief. Here's what is, and how much cardio you can do without losing a pound of muscle.

Jason @ Dad OS
Jason @ Dad OS

Strength

+1

Should I Do Cardio or Weights First? (The Answer After 40)

Sep 10, 2026

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2 min read

Should I Do Cardio or Weights First? (The Answer After 40)

The order that protects your strength, the one exception, and 3 ways to fit both into a dad schedule.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

Walking After Eating: Why a 15-Minute Walk Beats the Couch

Sep 10, 2026

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2 min read

Walking After Eating: Why a 15-Minute Walk Beats the Couch

What a short walk does to your blood sugar, how long it takes, and why dinner is the meal that matters most.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

The 12-3-30 Workout: Is It Worth It for Dads Over 40?

Sep 10, 2026

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2 min read

The 12-3-30 Workout: Is It Worth It for Dads Over 40?

What the viral treadmill workout burns, the catch nobody mentions, and a 4-week ramp so your calves survive.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

How Many Steps a Day to Lose Weight After 40?

Sep 10, 2026

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2 min read

How Many Steps a Day to Lose Weight After 40?

The number that works, what each 1,000 steps is worth, and where a busy dad finds them.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

How to Get Rid of Dad Bod (Without Living at the Gym)

Sep 10, 2026

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2 min read

How to Get Rid of Dad Bod (Without Living at the Gym)

It crept in one leftover chicken nugget at a time. Here's how to walk it back.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+1

Why Am I Not Losing Weight? 6 Reasons Dads Over 40 Get Stuck

Sep 10, 2026

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2 min read

Why Am I Not Losing Weight? 6 Reasons Dads Over 40 Get Stuck

You're not broken, and neither is your metabolism. One of these six is the leak.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

How to Lose Love Handles After 40 (Side Crunches Won't Do It)

Sep 10, 2026

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2 min read

How to Lose Love Handles After 40 (Side Crunches Won't Do It)

Why the side fat is the last to leave, and the plan that finally shows it the door.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

Losing Inches But Not Weight? Here's What's Actually Happening

Sep 10, 2026

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2 min read

Losing Inches But Not Weight? Here's What's Actually Happening

The scale stalled. Your belt didn't. Here's why that's a win.

Jason @ Dad OS
Jason @ Dad OS

Fatloss

+1

Waist-to-Height Ratio for Men: The Number That Beats the Scale

Sep 10, 2026

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2 min read

Waist-to-Height Ratio for Men: The Number That Beats the Scale

Keep your waist under half your height. Here's the chart, how to measure it, and what to do if you're over.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

+1

How Much Protein Should I Eat to Lose Weight After 40?

Sep 10, 2026

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2 min read

How Much Protein Should I Eat to Lose Weight After 40?

The number that protects your muscle while the fat comes off, plus why the scale is lying to you.

Jason @ Dad OS
Jason @ Dad OS

Nutrition

8 High-Protein Breakfast Ideas for Busy Dads (About 40 Grams Each)

Sep 10, 2026

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2 min read

8 High-Protein Breakfast Ideas for Busy Dads (About 40 Grams Each)

Real breakfasts for real mornings. Most take under 5 minutes. None require a cooking show.

Jason @ Dad OS
Jason @ 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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