across Southeast Michigan
proactive approach to lifelong health.
Preventive care begins with understanding what’s happening beneath the surface. Through personalized, root-cause care and advanced diagnostics, we help you build long-term resilience.
our philosophy
care ROOTED IN PREVENTION, NOT REACTION.
At Longevity Health Institute, we believe your health deserves a proactive, personalized approach. Led by Dr. James Lewerenz and a dedicated team of Physicians, Nurse Practitioners, and Wellness Specialists, we combine functional medicine, advanced diagnostics, and individualized care to help you better understand your body, optimize your health, and support lasting well-being.
the process
how longevity works
Balance
GI Health
Balance
(Pain)
Liver
our proactive approach
the 6-point model of health
Six interconnected pillars working together to create a complete, personalized approach to health—because longevity isn’t just about adding years to your life, but adding more life to your years.
How we help
comprehensive personalized care
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Functional Medicine
We uncover the root imbalances behind your symptoms through advanced diagnostics, then build a personalized plan for lasting results.
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Concierge Medicine
Direct, unhurried access to your care team, whenever you need it, day or night. A true partner in your long-term health.
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Hormone Optimization
Comprehensive lab testing reveals the hormonal imbalances behind low energy, mood, and weight. We treat it with a plan built around your biology.
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Weight Management
Your weight is often a symptom of a deeper issue, so we treat the root cause, from hormones to gut and liver health, for sustainable results.
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IV Therapy
Physician-guided IV treatments deliver essential nutrients straight to your bloodstream, customized to support your energy and recovery.
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Anti-Aging
Biological age testing reveals what's actually driving how you age. We treat it with hormone, peptide, and IV protocols built for long-term vitality.
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Nutrition Coaching
One-on-one coaching matches your body's chemistry to the foods that actually work for you, no guilt, no generic meal plans.
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Gut & Digestive Health
Advanced testing uncovers what's really happening in your gut, so we can build a targeted plan to restore balance.
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Alternative Cancer Treatment
Integrative support alongside your conventional treatment, nutrition, IV therapy, and hormone balancing to ease side effects and support healing.
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why longevity
the longevity difference
Longevity isn't just about adding years to your life, it's about improving the quality of those years. As root-cause specialists, we look beyond symptoms to find what's actually driving your health, then build a truly personalized plan around your labs, your biology, and your goals. We take the time most practices don't, so you're heard, understood, and given direct, concierge-level access to your care team when you need it.
membership plans
choose your level of care
plan 1
plan 2
patient stories
real results from real patients
contact
ready to take a proactive approach to your health?
Book a consultation and discover what personalized, root-cause care can do for your long-term health.