Personalized Training for Adults Over 40 - Backed by Science, Proven by Results

No generic workouts. No wasted effort. Just intelligent training built around your metabolism.

Personalized Training for Adults Over 40 - Backed by Science, Proven by Results

No generic workouts. No wasted effort. Just intelligent training built around your metabolism.

Precision Coaching for Adults Over 40

Every body is different.
Every goal requires a different strategy.

Choose the level of support that fits your needs - or let us guide you to the right starting point.

Metabolic Reset System™

Our Signature Program
Best for: Fat loss, low energy, metabolic issues, plateaus

A fully personalized system designed to reset how your body functions—not just how it looks.

Includes:

  • Comprehensive metabolic assessment

  • Personalized training & nutrition strategy

  • Biomarker-informed guidance

  • Ongoing optimization & accountability

  • Ideal if you want sustainable fat loss, improved blood markers, and long-term metabolic health.

Fit Over 40 Program

Structured. Safe. Effective.
Best for: Getting leaner, stronger, and healthier after 40

A guided training program built specifically for adult bodies—no extreme workouts, no burnout.

Includes:

  • Age-appropriate strength training

  • Mobility and joint support

  • Metabolic conditioning

  • Professional coaching & progression

  • Perfect if you want structure, results, and expert guidance without customization overwhelm.

Fit Over 40 Program

Best for: Personalized support, accountability, faster results

Private coaching built entirely around you.

Includes:

  • Customized workouts

  • Technique correction & injury prevention

  • Goal-specific programming

  • Ongoing progress tracking

  • Best for clients who want maximum attention and fully individualized training.

Back Pain & Movement Support

Train Without Fear
Best for: Chronic back pain, past injuries, movement limitations

A corrective, strength-based approach to help you move better—and train with confidence.

Includes:

  • Movement assessment

  • Targeted corrective exercises

  • Core and stability training

  • Progressive strength rebuilding

  • Designed to reduce pain, restore function, and prevent future setbacks.

Small Group Training

High-Level Coaching. Shared Energy.
Best for: Motivation, consistency, community

Small groups with professional coaching and personalized attention—without the price of 1-on-1.

Includes:

  • Limited group sizes

  • Structured strength & metabolic training

  • Coaching cues and form correction

  • Supportive, like-minded community

  • Ideal if you want accountability, energy, and expert guidance in a group setting.

Not Sure Where to Start?

Discovery
Personalized plan
Results

  • The philosophy behind mobility, strength, balance, longevity

  • Why this approach is safer and more effective than cookie-cutter programs

Founder & Head Coach

Sergei Karaliou

Sergei Karaliou is the Founder and Head Coach of Underground Gym, where he specializes in metabolic transformation for adults over 40.

With more than 20 years of professional coaching experience, Sergei has worked extensively with high-performing professionals navigating weight gain, low energy, metabolic dysfunction, and the physical toll of chronic stress.

He is the creator of the Metabolic Age Reset System™, a science-driven methodology that integrates body composition analysis, biomarker-informed nutrition, intelligent strength training, and recovery optimization. His work focuses on restoring metabolic function - not just driving short-term weight loss....

Online training

Distance learning
Can't make it to Underground Gym's Red Bank location? Don't worry we offer online training.

Our philosophy

Programs designed for you
We employ a comprehensive holistic Training System that addresses each person on the individual level.

Underground gym

We succeed when you succeed
Our professional success depends on your personal sports, fitness and life achievements.

See what our clients have to say

327 NJ-35, Red Bank, NJ 07701, Сполучені Штати Америки

Contact underground gym middletown new jersey

There is no time like the present to start working on your personal wellness, health & fitness goals. The personal trainers and conditioning coaches of Underground Gym can help you reach your goals. Contact us today to schedule a FREE training consultation.

Сontact us

  • (732)693-0287

  • Underground Gym
    327 Hwy 35, Red Bank, NJ 07701
    Start Training Today: (732)693-0287

ARE YOU READY?

Burn fat, build muscle and take your training to the next level at Underground Gym. Push your body to the limit and get the results that you want! There is no time like the present to start working on your personal strength and fitness goals. Take the next step and talk with a fitness professional about a FREE training consultation.