Mihailo Kostic · NASM Certified Trainer · Nutrition Coach
Hi, I'm Mihailo.
Let's build a body
that lasts.
Hi, I'm Mihailo.
Let's build a body that lasts.
Hi, I'm Mihailo.
Let's build a body
that lasts.
You don't need to overhaul your whole life. The men who actually change are the ones who start small and stay consistent — I'll show you how.
"I know what I should be doing. I just
can't stay consistent."
"I know what I should be doing. I just can't stay consistent."
Most of the guys I work with are in their 30s or 40s and feel like their body stopped cooperating. Busy, successful, stretched thin — and somewhere along the way they lost the energy and strength they used to take for granted. If you've bounced off fitness before, it wasn't you. It was the approach.
The right conversation can change how you feel. Find your practitioner and book today.
Most men think a trainer is just for losing weight or building muscle. The biggest wins I see are guys sleeping better, having more energy for their kids, and feeling less wired.
Most men think a trainer is just for losing weight or building muscle. The biggest wins I see are guys sleeping better, having more energy for their kids, and feeling less wired.
Movement is the lever — the real payoff is how you feel the other 23 hours of the day.
Strength & mobility
Nutrition & habits
Midlife restart
Energy
Sleep
Stress
No judgment, no ego, no drill-sergeant energy.
We start by talking — where you're at, what hurts, what you've tried, what your life actually looks like day to day. Then we move, so I can see how you squat, hinge, push, and pull and understand your body, not just your goals. You'll leave the first session knowing exactly where you're starting and what the next step is. Most guys tell me they feel relieved — like it's finally simple.
I train alongside you, not above you. And because it's me and my twin brother Milos coaching together, you get two people who genuinely care — not a faceless program.
"My brother and I grew up as athletes. When we
transitioned out, we saw how easily men drift and put
their health last. Now we're stronger than ever — and
we get to help other men feel the same. That's the
whole reason we built this."
"My brother and I grew up as athletes. When we transitioned out, we saw how easily men drift and put their health last. Now we're stronger than ever — and we get to help other men feel the same. That's the whole reason we built this."
"My brother and I grew up as athletes. When we
transitioned out, we saw how easily men drift and put their health last. Now we're stronger than ever — and we get to help other men feel the same. That's the whole reason we built this."
— Mihailo Kostic
This isn't a 6-week program. It's a body
built to last the next 30 years.
This isn't a 6-week program. It's a body built to last the next 30 years.
Clarity
After the first session you'll know exactly where you're starting and what to do next — no overwhelm.
Strength you can feel
Strength in daily life, better energy, and better sleep — the wins that show up outside the gym.
Consistency
Two or three doable sessions a week, made simple enough that you actually keep showing up.
Start where you actually are.
Three ways to work with me and Milos — start with the community, get a plan built for you, or go all-in with private coaching. Not sure? A free 15-minute call sorts it out.
Community
$69
$69
intro → $89–99/mo
●
Full community access
●
Weekly group workouts
●
Nutrition education
●
Sleep & stress content
●
Monthly group Q&A
●
Weekly challenges
Cancel anytime. Annual discount available.
Hybrid
Bridge
$149
$149
/ month
●
Personalized training plan
●
Custom nutrition framework
●
Sleep protocol guidance
●
Monthly check-in & review
●
Community included
A personal plan — not a personal coach. No direct messaging between check-ins.
1:1 Coaching
Premium
$299
$299
/mo or term plan
●
Custom Everfit program
●
Direct coach messaging
●
Weekly private check-ins
●
Active nutrition coaching
●
Sleep & stress protocols
●
Community included
Terms: $850/3mo · $1,600/6mo · $2,800/12mo
Jack Health is Canada’s online men’s health clinic providing easy access to licensed Canadian clinicians, personalized treatment plans, and convenient home delivery.
© 2026 Jack&Jill Health Inc.
Jack Health is Canada’s online men’s health clinic providing easy access to licensed Canadian clinicians, personalized treatment plans, and convenient home delivery.
© 2026 Jack&Jill Health Inc.
Treatments
Company
Medications
Jack Health is Canada’s online men’s health clinic providing easy access to licensed Canadian clinicians, personalized treatment plans, and convenient home delivery.
© 2026 Jack&Jill Health Inc.
Treatments
Company
Medications