Get your body back before it costs you the life you built.

LongevityX helps adults 40-70 lose weight, rebuild strength, improve stamina, and regain control of their health through blood testing, personalized coaching, and high-touch accountability.

Not sure where to start? Take the 1-minute assessment →

William Bosch, founder of LongevityX
MD-Reviewed
Bloodwork reviewed by a licensed physician
100+
Biomarkers tested, not guessed
1:1
Coaching built around your life, never templated

Your body has been trying to get your attention.

Maybe it started slowly.

A few pounds each year.
Stairs that feel harder.
Less energy after work.
Clothes that no longer fit.
Photos you avoid.
A body that feels older than your plans.

You worked hard to build a good life.

But if your health keeps slipping, it gets harder to enjoy the family, freedom, and future you built it for.

Apply for a Health Reset Call

Waiting has a cost, too.

Nothing about your health improves by ignoring it. Decline is not a straight line. It compounds. Another year of the same habits is not another year of the same body. It is a little less strength, a little less energy, and a longer road back.

It works the other way too. The sooner you start, the more you get back, and the easier it is to hold onto.

You didn't work this hard to spend your best years watching from the sidelines. You deserve to enjoy the life you built.

Rebuild the body that lets you enjoy your life.

Lose the weight

A realistic plan to lose fat, without extreme diets or another short-lived restart.

Rebuild strength

Get stronger, steadier, and more capable for everyday life.

Restore stamina

The energy and endurance for work, travel, family, and the years ahead.

This is not elite athletic coaching. It's professional health transformation for real adults with real lives.

You don't need more willpower.
You need the right guide.

Most of our clients have tried before.

Diets
Gyms
Apps
Doctor visits
Monday restarts

The problem usually is not effort. It's trying to fix a real health decline without the right plan, structure, or accountability.

LongevityX gives you professional guidance so you can stop guessing and start rebuilding.

Talk With LongevityX

A simple plan to start moving forward.

1

Apply for a Health Reset Call

Tell us where your health is now and what you want to change.

2

Choose your starting point

We'll help you decide: LX Circle, monthly coaching, or LX360.

3

Rebuild with support

Follow a personalized plan with the accountability to keep going.

No confusion. No guessing. No fighting this alone.

Apply for a Health Reset Call

Three ways to start

Three ways to start rebuilding your health.

Some clients want a structured membership. Some need monthly coaching. Others are ready for the most comprehensive transformation experience we offer. We'll help you choose the right path.

Structured membership
LX Circle
$499/month
Best for business owners in their 50s and 60s who want structure, not another supplement stack.

Everything that made our highest tier clients get results, without the price tag.

  • Weekly live masterclass with an LX coach
  • Human coach messaging plus an AI companion
  • The LX app, member pricing, and community
See LX Circle
Go all-in
LX360
Investment shared on your call
Best for our most comprehensive experience.

Fully rebuild your health over a year.

  • Everything in Monthly Coaching
  • Deepest personalization and support
  • Our highest level of accountability
Apply for LX360

Join LX Circle for structure. Go deeper with coaching. Go all-in with LX360.

Not sure which path is right?

We'll help you choose.

You don't need to figure this out alone. Apply for a Health Reset Call and we'll help you find your next step: LX Circle, monthly coaching, or LX360.

Apply for a Health Reset Call

Compare

Choose the level of support your health requires.

  LX Circle Monthly Coaching LX360
Best forStructure without the private program priceSerious lifestyle changeComprehensive transformation
Investment$499/monthFrom $1,500/monthShared on your call
Support levelWeekly group coaching plus async messagingOngoing coaching and accountabilityHighest-touch support
Personalized planShared protocols, personal check-insPersonalized coaching planDeep personalized protocol
AccountabilityHighHighHighest
Get startedSee LX CircleApply for Monthly CoachingApply for LX360

Is this you?

LongevityX is built for some people, not everyone.

This is for you if...

  • You're 40-70 and know your health is not where it should be.
  • You've gained weight over the years and struggled to keep it off.
  • You get winded doing things that used to feel normal.
  • You want to be more active with your kids, grandkids, spouse, or family.
  • You've tried diets, gyms, doctors, or apps without lasting success.
  • You're ready for professional guidance instead of another restart.
  • You're willing to invest in your health because you know what it's costing you.

This is not for you if...

  • You're looking for a quick fix.
  • You want bodybuilding, contest prep, or elite athletic performance coaching.
  • You only want advice but no accountability.
  • You're looking for the cheapest option.
  • You're unwilling to change your habits.

LongevityX is for people who are ready to take their health seriously and finally get professional help.

Picture where this goes

Imagine feeling capable in your body again.

A father laughing with his two kids at sunset

Present for the people who matter.

A woman working at a treadmill standing desk

Energy for the work you love.

A fit, confident man in the gym

Confident in your body again.

You built the life. Now rebuild the body that lets you enjoy it.

Apply for a Health Reset Call

Not sure where to start?

Take the 1-minute Health Reset Assessment and find out whether your best next step is LX Circle, monthly coaching, or LX360.

Take the 1-Minute Health Reset Assessment

Or apply for a Health Reset Call →

Real people. Real life.

Real health rebuilds.

William Bosch before and after
William Bosch
Founder, LongevityX

"I spent years putting my health last. This is the system I used to get my body back, and the one I built LongevityX around."

LongevityX client before and after
Female client, 40s
Stronger and more energized

Improved her strength, energy, and confidence by following a realistic plan built around work, family, and real life.

William Bosch, founder of LongevityX

Your guide

I built LongevityX after I rebuilt myself.

I'm William Bosch. After 15+ years in health and building a company from the ground up, I learned the hard way that you can win in business and still lose your health if you don't manage it like everything else that matters.

From my work behind brands like Iconic Protein to coaching successful adults directly, I've spent my career on one question: how do people who have built everything else finally get their health back? LongevityX is the system I wish I'd had.

15+
Years in health and coaching
Founder
Founder & former CEO of Iconic Protein
1:1
Coaching built for adults 40-70

Ready when you are

Ready to stop fighting this alone?

If you're 40-70 and your weight, stamina, strength, or health has drifted further than you wanted, apply for a LongevityX Health Reset Call.

On the call, we'll help you identify what has been holding you back, what level of support makes sense, and whether LongevityX is the right fit. If we can help, we'll recommend your best starting point: LX Circle, monthly coaching, or LX360.

Apply for a Health Reset Call

Limited availability. We only work with clients we believe we can genuinely help.

Free resources

The Vault.

Field-tested guides on training, nutrition, sleep, and recovery, free to download.

Get in touch

Questions? Let's talk.

Not sure where to start, or want to know if LongevityX is right for you? Send us a note and a real person on our team will get back to you.

Ready to stop fighting this alone?

You deserve to enjoy the life you worked for. If your weight, strength, stamina, or health has drifted further than you wanted, we'll help you choose the right path forward.

Apply for a Health Reset Call

Limited availability. We only work with clients we believe we can genuinely help.

Apply for Health Reset Call