Concierge longevity medicine that finds the root cause, reads your biology precisely, and builds a plan around the purpose you were made for.
Meet Zack & Katherine
Zack and Katherine Straughn founded Kingdom Longevity Labs on a conviction that has never changed: your body is a gift from God, and stewarding it is an act of worship. Decline is not a diagnosis it is a signal with a root cause that can be found and addressed.
Behind every member stands our physician team, led by doctors with decades of clinical experience spanning functional medicine, hormone optimization, genetic testing, peptide therapy, and nutritional science physicians who have helped thousands reverse conditions others called permanent.
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The Kingdom Health & Performance Assessment gives you a clear reading of where your health stands today. A few minutes, free, and precise enough to act on.
Free · No obligation · Results in minutes
Areas of Practice
Every system in your body is connected. We work across all of them.
90+ biomarkers read by physicians the starting line of every plan.
Bioidentical optimization that restores drive, clarity, and strength.
Food as fuel and medicine, built around your biology not a fad.
The root of immunity, mood, and energy. We map it and mend it.
Train with intention. Strength is stewardship in motion.
Recovery is where healing happens. We measure and restore it.
Clarity and peace, supported by biology as well as belief.
Slow biological aging with precision add life to your years.
The body is a gift. Caring for it is a calling, not vanity.
Education First
The wisdom that changes your health should not be behind a door. We teach first.
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Physician-written guidance organized by health area, updated regularly. The article hub is live.
“For the first time, I felt like a provider truly listened. They took the time to understand my stress, anxiety, and overall health instead of treating just one symptom. We finally have a plan that makes sense.”
Tanis K.
Personalized care — heard, understood, and given a plan that fits.
“I’ve spent over 10 years searching for answers including visits to some of the best medical centers in the country. I finally feel like we’ve found people who are looking for the root cause instead of just managing symptoms.”
Kim E.
A decade of searching — answered by root-cause medicine.
“Within one appointment, we uncovered why I was exhausted all the time. Instead of telling me everything looked “normal,” they explained my hormone and nutritional deficiencies and created a personalized plan. For the first time in years, I finally have hope.”
Christine H.
One appointment — the reason for years of exhaustion, found.
“I had been on Mounjaro for years, but I saw more success in just 9 days following my personalized plan. I’ve already lost 10 pounds and finally feel like my body is responding.”
Kennedi E.
Nine days on a personalized plan — more progress than years of medication.
In Person
Some conversations are better face to face. Come find us.
Answer a few questions about how you feel, sleep, and perform. The Kingdom Health & Performance Assessment shows you where your biology stands and what to do next.
Ready for a clinical conversation that leads somewhere? Our concierge team will walk you through diagnostics, membership, and what your first ninety days look like.
