Age Well. Live with Vigor. Thrive.
Welcome to GenAge Center, a leading physician-directed clinic in Ada, Michigan, specializing in longevity and wellness for men and women. Here at the GenAge Center, we will help you strengthen your vitality, mental clarity, physical performance, and metabolic balance through advanced diagnostics and personalized wellness therapies.
Conveniently located at 6745 Fulton St E, Ada, MI 49301, we proudly serve the Greater Grand Rapids area, including Cascade, Forest Hills, East Grand Rapids, Lowell, Rockford, and Kentwood. GenAge also has patients as far west as Arizona and California, and as far south as Florida and Texas.





Our Services
Restore balance. Reignite vitality.
At GenAge Center in Ada and Grand Rapids, we specialize in Bioidentical (Natural) Hormone Replacement Therapy (BHRT) for both men and women experiencing hormone decline due to aging, menopause/andropause, or stress. By restoring testosterone, estrogen, and other key hormones to optimal levels, we help you look, feel, and perform at your best.
Major Roles of BHRT:
- Improves muscle gain and fat reduction
- Drives energy and focus
- Promotes better sleep and mood
- Enhances sexual health and libido
Preferred Treatment Options:
- Inserted hormone pellets
- Topical creams
Sustainable fat loss—powered by data and medical insight.
Struggling with stubborn weight despite your best efforts? At GenAge Center, we offer a scientifically backed approach to body composition-focused weight loss, not just calorie reduction. Our method includes personalized consultation, metabolic testing, and lifestyle diagnostics for lasting results.
What to Expect:
- DEXA & VO2 Testing to measure fat, muscle, and metabolic rate
- Comprehensive Bloodwork for hormonal and mature eating imbalances
- Lifestyle 360™ Assessment (optional) for behavior, sleep, stress, and fitness
- Medical consultation for tailored Plans using mature eating, movement, and medications as needed
For some clients, GLP-1 agonists like Tirzepatide or nutraceuticals may be offered under physician supervision.
Know your numbers. Take control of your health.
DEXA scanning is the gold standard for understanding your true body composition—something a scale alone can’t show. Whether you’re looking to build muscle, reduce fat, or monitor bone density, our Hologic Horizon® scanner delivers precise, actionable insights.
What to Expect:
- 7-minute scan lying flat on a cushioned table
- Results delivered immediately
Your Results Include:
- Amount of bone, fat, and muscle for major body segments
- Total body fat percentage and lean muscle index
- Comparison with young normal and age-matched groups
- Visceral fat risk mapping
- Bone density (osteoporosis screening)
- Optional interpretive consultation with a physician
Regain your spark—naturally.
Feeling less energetic than usual? Our energy revitalization protocols identify the deeper metabolic and hormonal reasons behind fatigue. We focus on restoring optimal function so you can be your best.
Core Program Features:
- Lab panels for thyroid, adrenal, other hormonal, and micronutrient deficiencies
- Bioidentical (natural) hormone replacement
- Sleep and stress optimization strategies
- Personalized coaching for fitness and mature eating
Recover. Rebalance. Recenter.
Massage at GenAge Center goes far beyond relaxation—it’s a clinically supported tool for pain relief, recovery, and overall wellness. Ideal for athletes, busy professionals, and anyone seeking holistic healing in Ada or Grand Rapids.
What to Expect:
- Consultation to identify tension or goals
- Customized pressure and area-specific focus
- Deep tissue, lymphatic drainage, or sports massage techniques
Health Benefits:
- Muscle recovery and improved circulation
- Reduced inflammation and joint stiffness
- Stress and anxiety reduction
- Enhanced immune system and sleep quality
Train smarter. Recover faster. Compete harder.
Our performance programs are built on objective metrics to help you break limits and avoid burnout. Whether you’re a triathlete, CrossFitter, or weekend warrior, we help you maximize endurance, power, and recovery.
Performance Testing:
- VO2 Master™ to assess aerobic threshold and oxygen utilization
- DEXA Scan for fat/muscle distribution and bone strength
- Fitness and mature eating insights to optimize mature eating, hydration, and rest
- Hormone and micronutrient analysis
Ongoing Optimization:
- Supplement and nutrient support
- Hormonal fine-tuning for stamina and strength
- Recovery planning to prevent overtraining
Why Choose GenAge Center?
- Board-Certified Physician-Led Care: Every program is medically supervised, and all specialists are certified in their fields.
- Advanced Diagnostics: We use state-of-the-art equipment like DEXA and VO2 Master for accuracy and insights.
- No cookie-cutter protocols: Your plan is 100% tailored to your health needs and personalized goals.
- Whole-Person Wellness: We address physical, mental, and metabolic factors for complete vitality.
- Discreet, Professional Setting: Private consultations in a welcoming environment focused on empowerment.
Meet Dr. Hyung Kim, MD, MBA, FACP
Triple Board-Certified Physician & Visionary Wellness Leader
Dr. Hyung Kim is the founder and Center Director of GenAge Center. With an impressive career spanning clinical care and healthcare leadership, Dr. Kim is triple board-certified by:
- The American Board of Lifestyle Medicine
- The American Board of Anti-Aging and Regenerative Medicine
- The American Board of Internal Medicine
Dr. Kim earned his M.D. from Johns Hopkins University and completed both his residency and MBA at the University of Michigan. He has held influential positions, including Senior Associate Dean at Michigan State University and President of Mercy Health Saint Mary’s in Grand Rapids.
A passionate advocate for functional wellness and preventive care, Dr. Kim brings a unique, whole-person approach to optimizing energy, vitality, and long-term health. Personally, he is driven by his own goals to maintain high performance and vitality.
At GenAge Center, Dr. Kim provides personalized care by combining individual needs and medical advances, ensuring every patient receives the attention, insight, and support they need to thrive.
Advanced Testing: Labs, DEXA scan, VO2 testing, and more
- Comprehensive Consultation: Discuss health history, symptoms, and goals
- Advanced Testing: Labs, DEXA, and, if needed, VO2 testing
- Custom Plan Creation: Personalized treatment roadmap with options
- Ongoing Support: Regular follow-ups, dose adjustments, and progress tracking
Post-Treatment Care & Long-Term Success
Our mission is to help you not only feel better—but also stay better. We provide long-term care plans that include follow-up testing, lifestyle updates, and on-demand access to expert support.
Your success is our success.
Real Results.
Real Transformations.
At GenAge Center, we are proud to help clients of all ages take control of their health and vitality. Here’s what some of our patients have to say about their experience:
Start Your Personalized Wellness Journey
Whether you’re battling hormone shifts, fatigue, weight gain, performance plateaus, or seeking better longevity and wellness—GenAge Center is here to help.
- 6745 Fulton St E, Ada, MI 49301
- Call 616-737-1710 to schedule your consultation
- Email us at team@genagecenter.com
Schedule your appointment conveniently online.