Age is a variable not a destiny
Longevity LAB MD™ | Physician-Guided Longevity & Concierge Medicine
A practice for those who refuse to accept average aging. Precision diagnostics, hormone optimization and regenerative therapies—personalized for you.
Hormone Balance * Precision Medicine * Metabolic Health* Peptides*Weigh Loss*
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Hormone Balance * Precision Medicine * Metabolic Health* Peptides*Weigh Loss* 〰️
Medical Director and Founder of Longevity LAB MD
Dr. Margarita Ibañez de Sendadiano is a board-certified Internal Medicine physician with over 18 years of clinical experience. She is also certified through the Age Management Medicine Group (AMMG) in advanced, evidence-based strategies for longevity, preventive, regenerative, weight loss, and peptide therapy.
Early in her career, Dr. Ibañez recognized a critical flaw in traditional healthcare: a system focused on treating illness after it appears, while neglecting both prevention and the root causes of disease. Driven by this insight, she has dedicated her practice to redefining health care—placing disease prevention, reversal, and optimization at the forefront of patient care.
Her approach integrates cutting-edge science with compassionate, personalized medicine. By utilizing advanced biomarker testing, Dr. Ibañez identifies and corrects metabolic and hormonal imbalances that accelerate aging and disease. Her mission is not only to extend lifespan, but to expand health span—helping patients enjoy more years of vitality, resilience, and energy.
Through a combination of precision diagnostics, hormone optimization therapy, metabolic health optimization, regenerative therapies, lifestyle interventions, and peptide optimization, Dr. Ibañez empowers her patients to take control of their health and achieve peak well-being at every stage of life--
Margarita Ibañez de Sendadiano MD
The Science of Living Fully
Aging is not a disease — but decline is optional. The gap between your chronological age and your biological age is where medicine meets possibility.
— Dr. Margarita Ibanez de Sendadiano · Longevity LAB MD Miami,FlOptimize Your Biology
Your hormones, mitochondria, and cellular machinery don't have to follow the standard timeline. Precision diagnostics reveal what standard labs miss — and targeted protocols bring your biology back to its peak.
Extend Your Healthspan
Living longer means nothing without living well. Our protocols are designed to extend the years you feel vibrant, strong, and mentally sharp — not just add years to the calendar.
Reclaim Your Potential
Fatigue, brain fog, weight resistance, and low libido are not inevitable. They are signals. We decode those signals and rebuild your foundation — from the cellular level up.
Why Your NAD+ Levels Drop After 40 — And What to Do About It
CD38 activity accelerates NAD+ depletion as we age, silencing the sirtuins that protect our DNA. Here's how targeted repletion changes the equation.
Read MoreThe Difference Between "Normal" Labs and Optimal — Why It Matters
Standard reference ranges are built on population averages, not peak performance. We treat you to where you should be — not just where most people are.
Read MoreBiological Age vs. Chronological Age: The Number That Actually Matters
Epigenetic clocks like TruAge now let us measure how fast your cells are aging — and more importantly, how to slow or reverse that trajectory.
Read MoreYour Biology Is Not Your Destiny.
Begin with a comprehensive longevity consultation
At Longevity Lab MD, we believe medicine should be proactive, not reactive. Our programs blend advanced science, longevity insights, and concierge-level access so you can live stronger, longer.
Medicine Tailored to You
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Initial Diagnostic Consultation
Our Initial Diagnostic Consultation is a comprehensive health assessment designed to uncover underlying risk factors and provide a clear picture of your overall wellness. Through advanced lab testing, medical history review, and lifestyle evaluation, we create a personalized roadmap for preventive care, early detection, and long-term health optimization.
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Concierge Medicine
Our Concierge Medicine service offers direct, personalized access to your physician with same-day or next-day visits, extended appointments, and 24/7 availability. With advanced screenings, ongoing monitoring, and tailored treatment plans, we ensure proactive, relationship-based care that prioritizes your long-term health and well-being.
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Hormones
Balanced hormones are the foundation of energy, vitality, and optimal health. We offer customized hormone therapies, including bio-identical hormone replacement, to address symptoms like fatigue, weight gain, low libido, and mood changes. With individualized treatment plans guided by comprehensive testing, we help restore balance and support long-term wellness.
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Thinnr
THINNR® is a 6-week, provider-supervised weight loss program designed as a natural alternative to GLP-1 medications. Combining an FDA-registered homeopathic formula with a structured nutrition plan, THINNR supports appetite control, metabolic balance, stress reduction, and fat loss — giving you sustainable results without compromising health.
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Weight Loss Peptides
We utilize advanced peptide therapies to support safe, effective, and lasting weight loss. Options like Semaglutide, Tirzepatide, and other metabolic peptides help regulate appetite, improve fat metabolism, preserve lean muscle, and enhance energy. Combined with medical guidance, peptide therapy empowers long-term success in achieving your health goals.
