SAFE FITNESS TRAINING ยท JON GENTRY ยท ADULTS 50โ95+
The Gym Machines Course That Won't Hurt You โ and Could Add Decades to Your Life
A step-by-step video course showing adults 50+ exactly how to use gym machines safely, build real muscle, and trigger your body's built-in defense against 37 chronic diseases โ even with bad knees, a replaced hip, or a history of getting hurt at the gym.
Get the Course โ $157 ยป
Lifetime access ยท Self-paced ยท Start today
Course + 30-Min Session โ $257 ยป
Jon personally builds your routine live
Trusted by adults 50โ95+ ยท 7+ years of coaching experience ยท Science-backed method ยท 30-Day Money-Back Guarantee
IS THIS YOU?
This course was built for people the fitness world forgot
Most workout programs are made for 30-year-olds who just want to look good. This one is different. It was designed specifically for people in the second half of life who want to feel strong, stay independent, and live longer โ without getting hurt in the process.
Told to just walk more
Your doctor said walk more โ but you know your body needs real, meaningful exercise to actually change.
Had a joint replacement or injury
A replaced hip, bad knees, a shoulder surgery โ you need a method built around your body, not despite it.
Tried a gym and got hurt or nothing
You have been to gyms before and either got injured, felt completely lost, or saw zero results after months of trying.
Watching others your age decline
You see people your age losing independence and you are determined that will not be you.
Want to stay strong for your family
Your kids, grandkids, the people who depend on you โ you want a body that actually keeps up with the life you want to live.
Managing a chronic condition
High blood pressure, osteoporosis, type 2 diabetes โ you want a natural, science-backed solution, not just another prescription.
Get the Course โ $157 ยป
Lifetime access ยท Start today
Course + 30-Min Session โ $257 ยป
Jon personally builds your routine
THE REAL PROBLEM
What nobody ever told you about aging and exercise
After age 30, most of us lose between 3โ8% of our muscle mass per decade. After 60, that rate accelerates. This is not just a fitness problem โ it is a survival problem. Scientists call it sarcopenia, and it is the hidden driver behind most of the chronic conditions that steal quality of life in our later years.
Low muscle mass is directly linked to higher mortality after surgery, longer hospital stays, faster cognitive decline, and a greater likelihood of ending up in long-term nursing care. The amount of muscle on your body at a critical moment โ a fall, a surgery, a serious illness โ could literally determine whether you go home or go to a nursing facility.
And yet most people over 50 are told to take a walk โ or handed a medication.
37 chronic conditions scientifically linked to sarcopenia โ all addressable through proper strength training 179 aging genes reversed after 6 months of strength training (Buck Institute, 2007) 9,815 molecules transformed in the blood by a single session (Stanford / Cell, 2020)
Research โ Buck Institute for Research on Aging, 2007 (PLOS ONE, PMC1866181):
Of 596 genes associated with the aging process, 179 were made biologically younger after just six months of strength training. Genetic profiles of older adults reverted โ their muscle cells more closely resembled those of people 20 years younger. No medication. Just the right exercise, done the right way.
โ Melov S, Tarnopolsky MA, et al. Resistance Exercise Reverses Aging in Human Skeletal Muscle.
Researchers compared genetic profiles of older adults before and after a strength training program and found their muscle cells had genetically reverted โ becoming more similar to the profiles of people 20 years younger. No medication. Just the right exercise, done the right way.
Get the Course โ $157 ยป
Lifetime access ยท Self-paced
Course + 30-Min Session โ $257 ยป
Jon personally guides your start
THE SCIENCE BEHIND THE METHOD
Your muscles are a pharmacy. You just need to know how to open it.
In the early 2000s, a research team led by Dr. Bente Klarlund Pedersen made one of the most important medical discoveries of the past century: when a muscle contracts intensely, it does not just move your limbs. It produces and secretes hormone-like proteins called myokines.
Skeletal muscle is the largest endocrine organ in your body โ comprising 40% of a man's body weight and 30% of a woman's. Every time a muscle contracts meaningfully, it floods your bloodstream with over 600 identified signaling compounds that travel to every organ, tissue, and system in the body.
“The finding that muscles produce myokines creates a paradigm shift and reveals new scientific, technological and scholarly horizons.”
โ DR. BENTE KLARLUND PEDERSEN ยท J. EXP. BIOL. 2011
This is why walking doesn't produce the same results. This is why stretching doesn't produce the same results. Only meaningful muscular contraction โ the kind this course teaches you to perform safely on machines โ triggers the myokine cascade.
A 2020 Stanford study measured the effect of a short exercise session on over 17,000 different substances in the bloodstream. Levels of more than 9,815 different molecules changed in response. “It was like a symphony,” said Dr. Michael Snyder, Chair of Genetics at Stanford. “First you have the brass section coming in, then the strings, then all the sections joining in.” (Reynolds G. New York Times, Jun 10, 2020.)
What myokines do inside your body โ right now, or could:
โ Visceral (deep belly) fat ยท โ Bone mineral density ยท โ Chronic systemic inflammation ยท โ Insulin sensitivity ยท โ New blood vessel formation ยท โ Brain learning and memory ยท โ Cancer tumor markers (colon, prostate, breast) ยท โ Immune cell activation ยท โ Pancreas and liver function ยท โ Resting energy expenditure ยท โ LDL cholesterol ยท โ Arterial stiffness
Annual Review of Physiology, 2019: A study of adults with type 2 diabetes who combined aerobic and strength training over 12 months found 75% were able to reduce their glucose-lowering medications โ and 56% went off them completely. The review concluded that “type 2 diabetes may represent a reversible chronic disease and that exercise as medicine may be as efficient as a glucose-lowering medication.” โ Pedersen BK. Annu Rev Physiol. 2019 Feb 10; 81:607โ627.
Frontiers in Physiology, 2019 โ Heart Attack and Stroke: Independent of any aerobic training, strength training for less than one hour per week was associated with a 70% reduction in the risk of heart attack and stroke across a long-term study of more than 12,000 men and women. โ McLeod JC, Stokes T, Phillips SM. Front Physiol. 2019 Jun 6; 10:645.
Journal of Gerontology โ Depression: A meta-analysis of 33 randomized clinical trials involving 1,877 participants found that resistance training “significantly reduced depressive symptoms among adults regardless of health status.” A separate study found that after a 10-week resistance training program, nearly 80% of clinically depressed elderly participants were no longer clinically depressed. โ Gordon BR et al. JAMA Psychiatry. 2018; Fiatarone Singh MA et al. J Am Med Dir Assoc. 2014.
Get the Course โ $157 ยป
Self-paced ยท Lifetime access
Course + 30-Min Session โ $257 ยป
Jon builds your personal routine live
THE MEDICAL CASE
37 conditions this method has been shown to ease, mitigate, or reverse
This is not marketing. This is the peer-reviewed scientific record. The conditions below are those for which muscle loss (sarcopenia) has been identified as a causal or contributing factor โ and for which resistance training has been shown in published research to reduce risk, slow progression, or produce measurable improvement.
Accelerated biological aging ยท Alzheimer's disease ยท Balance impairment / falls ยท Bone fracture risk ยท Breast cancer risk ยท Colon cancer risk ยท Congestive heart failure ยท Coronary heart disease ยท Deep vein thrombosis ยท Dementia ยท Depression and anxiety ยท Fibromyalgia / arthritis discomfort ยท Endometrial cancer risk ยท Erectile dysfunction ยท Functional impairment (walking, standing) ยท Gestational diabetes ยท High LDL cholesterol ยท High triglycerides ยท Hypertension ยท Insulin resistance ยท Low back pain ยท Low cardiorespiratory fitness ยท Low metabolic rate ยท Low self-esteem ยท Metabolic syndrome ยท Non-alcoholic fatty liver disease ยท Obesity ยท Osteoarthritis ยท Osteoporosis ยท Peripheral artery disease ยท Poor resting blood pressure ยท Prediabetes ยท Prostate cancer risk ยท Rheumatoid arthritis ยท Slow gastrointestinal transit ยท Stroke risk ยท Type 2 diabetes
Source: McLeod JC, Stokes T, Phillips SM. Resistance exercise training as a primary countermeasure to age-related chronic disease. Front Physiol. 2019 Jun 6; 10:645. | Shepherd P. Deep Fitness. North Atlantic Books, 2021.
Get the Course โ $157 ยป
Lifetime access ยท Self-paced
Course + 30-Min Session โ $257 ยป
30-min call + custom routine
A DIFFERENT APPROACH
Why just being careful is not good enough โ and what actually works
Here is what most fitness instructors miss: the goal of exercise is not to move weights up and down. The goal is to produce a specific biological stimulus in the muscle โ one that triggers your body to produce myokines. These are anti-inflammatory proteins released from skeletal muscle during intense contractions that flood the bloodstream with powerful health-promoting messengers.
“Exercise of a meaningful intensity produces hormonally active substances that do everything we want to reverse the diseases of modern civilization.”
โ DR. DOUG McGUFF, M.D. ยท BODY BY SCIENCE
These myokines help lower blood pressure, build bone density, combat cellular markers of cancer, reduce neurological risk factors for dementia, and repair damage caused by metabolic disease โ all without a prescription.
Walking does not produce this response. Jogging does not produce this response. Only meaningful, intense stimulation of muscle tissue โ done correctly and safely โ triggers the myokine cascade that produces these results.
I spent seven years inside a top-tier private training facility working exclusively with this method โ clients from 17-year-old athletes to a 95-year-old woman building muscle to stay alive. I have watched clients stop blood pressure medications, reverse osteoporosis, throw away their canes.
The method originated in protocols developed for patients with severe osteoporosis. If it is safe enough for the most fragile bones, it is safe for you โ with your bad shoulder, your replaced knee, your arthritic hip. You already know something is missing. This is what's been missing.
Get the Course โ $157 ยป
Start training the right way
Course + 30-Min Session โ $257 ยป
Jon personally sets you up
INSIDE THE COURSE
What you will learn โ and what it means for your health
This is not a library of random exercise videos. It is a structured, step-by-step education in the only method of fitness that is simultaneously safe for all ages and capable of producing real, measurable health change.
The Science of Why This Works
You will understand exactly how myokines work in your body, why muscle mass is your greatest health asset, and how this method reverses aging at the genetic level.
How to Set Every Machine for Your Body
Full walkthroughs for Planet Fitness, Precor FTS Glide, Nautilus, and more โ showing the exact settings that keep you safe at any age, including prior joint surgeries.
The Four Pillars of Safety
The exact movement principles that eliminate injury risk while maximizing the stimulus your muscles need. This is what separates this method from everything you have tried before.
Goal-Setting Workshop
A private workshop helping you identify exactly what you want, why it matters, and the checkpoints that will keep you motivated for years โ not just weeks.
The Mindset Secret โ Dr. Huberman
A bonus module on wiring your focus during workouts to stay driven and consistent โ drawn from top neuroscience research.
Ongoing Community Q&A with Jon
Ask any question about the workout, your equipment, or your situation โ and get detailed personalized answers. You will not be navigating this alone.
The Science Behind Chronic Disease Reversal
You will walk away knowing exactly which of the 37 conditions linked to sarcopenia this method directly addresses โ and why the research is definitive.
Two Complete At-Home Courses โ Yours Free When You Enroll Today
The gym is not always available. Bad weather, travel, a busy week โ life happens. These two complete courses mean you never miss a workout. Same science. Same method. Same results. Anywhere you are.
TOTAL BONUS VALUE: $154 โ YOURS FREE
BONUS #1 โ $77 VALUE
The Longevity Safe No Weights Workout At Home
A complete body workout using your dining room table, living room floor, and bodyweight. 76 students strong. No equipment needed.
- Dining room table and floor workouts
- Full myokine science module
- Goal-setting workshop + Five Minute Rule
- 4 Pillars of Safety for every movement
- Bonus FAQ videos and alternative exercises
Normally $77 ยท Yours free today
BONUS #2 โ $77 VALUE
The Longevity Safe Workout With Dumbbells
A complete upper and lower body dumbbell course with live commentary and form correction. 76 students enrolled and active.
- Upper body โ bench press, rows, curls, presses
- Lower body โ DB squat, wall sit, abduction, adduction
- Full live workout with form correction
- Same 4 Pillars of Safety system
- Goal-setting and mindset foundation
Normally $77 ยท Yours free today
Between the machines course and these two at-home bonuses, you have a complete training system for every situation โ gym days, home days, travel days. The myokine cascade works wherever you are. Your body does not care where you trigger it.
Get the Course + Both Bonuses โ $157 ยป
$154 in bonuses free ยท Lifetime access
Course + 30-Min Session + Bonuses โ $257 ยป
Jon personally sets up my program
REAL RESULTS
What students say after starting this program
These are real people โ not athletes, not 30-year-olds, not people who had everything figured out before they started.
Osteoporosis Reversal โ Ruth
“When I first started I had no idea how much my life would change. I had been diagnosed with full blown osteoporosis... after working with this for a year I went back for a bone scan. My full blown osteoporosis had changed to barely having osteopenia โ with no medication at all.”
Visible Results in 2 Sessions โ Michelle
“Just 3 weeks in following your videos and my clothes are fitting better. I have been doing regular reps with dumbbells at the gym for 6 months and I see nothing. I actually felt and saw changes in just the first 2 sessions from your program. I am hooked now!”
Get the Course โ $157 ยป
I want these results
Course + 30-Min Session โ $257 ยป
Jon personally sets me up
YOUR QUESTIONS ANSWERED
Let's address what might be holding you back
Am I too old? I am in my 70s โ or 80s.
My oldest current coaching client is 95. Research in the Journal of Gerontology found older adults who strength trained had muscle profiles nearly identical to people 20โ30 years younger. The Buck Institute found 179 aging-related genes reversed after just six months. Age is not a barrier โ it is the strongest argument for starting.
I have had a hip replacement or knee surgery. Is this safe?
This method was originally developed for patients with severe osteoporosis โ people whose bones could fracture under the wrong stress. Joint replacements and chronic conditions are exactly what this course was built for. You will learn specific machine adjustments that protect every joint.
Is this going to make me bulky?
No. The muscle you build is functional, life-extending lean tissue โ not bodybuilder mass. What you will notice is feeling stronger, fitting your clothes differently, having more energy, and moving with less pain.
I have tried programs before and nothing worked.
Most programs fail because they are missing the right intensity, done the right way, with the right safety protocol. Michelle saw visible changes in her first two sessions after six months of nothing from regular gym work. The method matters โ and this one is different.
Is $157 worth it?
When I worked 1-on-1 in private facilities this training ran $300โ$600 per month. One fall, one hospitalization, one year lost to preventable decline costs far more than $157. Muscle mass is your most important physical asset in a health emergency. This is not a fitness purchase โ it is a longevity investment.
What is the difference between $157 and $257?
Both include the complete course with lifetime access. The $257 option adds a private 30-minute video session with Jon where he reviews your health history, answers your specific questions, and builds your custom workout routine live โ then sends it to you after. If you have any injuries, prior conditions, or just want to start with total confidence, the session is worth far more than the $100 difference.
30-Day No-Questions Guarantee
If this course does not meet your expectations for any reason, Jon will refund your purchase in full within 30 days. No questions. No hassle. You can even keep the quick-start guides. The only risk is doing nothing.
Get the Course โ $157 ยป
Protected by 30-day guarantee
Course + 30-Min Session โ $257 ยป
Same guarantee applies
CHOOSE YOUR PATH
Start where you are most comfortable
Both options include the complete course. The difference is whether you want to go it alone โ or have Jon personally set you up live to make sure you start correctly, safely, and with total confidence.
Course Only โ $157
One-time payment ยท Lifetime access ยท Self-paced ยท Instant access
โ Full Longevity-Safe Workout on Machines course
โ Machine setup walkthroughs โ Planet Fitness, Precor, Nautilus and more
โ The science of myokines and biological age reversal
โ Goal-setting and motivation workshop
โ Dr. Huberman mindset bonus module
โ Priority community Q&A with Jon
โ FREE: At-Home Dumbbells Course
โ FREE: No-Weights At-Home Course
โ 30-day money-back guarantee
MOST POPULAR
Course + 30-Min Session โ $257
One-time payment ยท Complete course plus private 1-on-1 jump-start session with Jon
โ Everything in Course Only โ fully included
โ 30-minute private 1-on-1 video session with Jon
โ Personal health and goals assessment before you begin
โ Your custom workout routine built live and sent after
โ Live technique coaching and machine setup for your body
โ Joint-specific safety protocol for your injuries
โ Your 90-day progression roadmap โ no guessing what is next
โ Post-session follow-up Q&A within 7 days
โ Satisfaction guaranteed โ Jon will make it right
A year from now, you can either be stronger โ or not.
The science is settled. The method is proven. Ruth reversed full-blown osteoporosis. Michelle felt changes in two sessions after six months of nothing. Your story starts the same way theirs did โ with one decision.
The course is $157 with lifetime access and a 30-day guarantee. For $257 you get the course plus a private 30-minute session where Jon personally builds your workout. Either way, if it doesn't exceed your expectations, you get every dollar back.
Get the Course โ $157 ยป
Lifetime access ยท Start today
Course + 30-Min Session โ $257 ยป
Private session + custom routine
P.S. โ If you skipped to the bottom: this course teaches you the only exercise method shown to reverse the genes of aging, trigger your body's built-in anti-inflammatory myokine defense system, and protect your independence as you age โ safely, on any machine, at any fitness level. It eases or reverses 37 scientifically documented chronic conditions. The course is $157 with lifetime access and a 30-day guarantee. Or for $257 you get the course plus a private 30-minute session where Jon personally builds your workout live. Either way, if it does not exceed your expectations, you get every dollar back. The only risk is continuing to do nothing.