Meet our physician: Dr. Nick Harrell
Welcome to Xylem Wellness Systems, founded by Dr. Nick Harrell. Xylem gives high-performing men a private, physician-led health system built around their own biology — real diagnostics, real lab work, and a strategy built around the life you actually have, not a generic plan that assumes you have three hours a day to give it.
Dr. Harrell spent over a decade practicing emergency medicine, including the COVID years, when he was pulled into overtime shifts running ICU-level care for some of the sickest patients in the hospital.
That’s what convinced him modern medicine is built to manage disease, not build vitality — and it’s why he co founded Xylem to practice differently: labs reviewed line-by-line, a protocol built around your own biology, and deliver care to patients not serve insurance companies or big pharma.
Background
Co Founder & Lead Physician, Xylem Wellness Systems
10+ years practicing emergency medicine in Texas
Board Certified: Functional Medicine, Emergency Medicine
Focus: functional & precision medicine, metabolic health, hormone optimization
Our commitment to you
Our commitment to you is simple: You tell us how you want to look, feel and perform on a daily basis and we will work together to deliver your health goals, guaranteed.
When you work with Xylem gets full diagnostics, an optimized protocol built around his own biology, and a team that actually cares about what you want and need.
If something isn’t working, we investigate and adjust instead of asking you to grind through six more months of the same plan.
And you’re not doing it alone — this is a brotherhood, not a waiting room.
Our vision
Our vision is to become the default alternative to sick care for high-performing men — a private health system built on real measurement instead of guesswork, so “I guess this is just what getting older feels like” stops being something men have to accept.
Our mission
We’re creating vitality, not treating disease. Our mission is to help high-performing men regain command of their body, energy, and performance — using real diagnostics and physician-led care, not another lecture about willpower.
Why choose Xylem
Physician-Led, Not Outsourced
You work directly with Dr. Nick Harrell as well as a health and wellness expert— one-on-one visits, labs reviewed line-by-line, not handed off to a rotating cast of providers.
Built Around the Life You Already Have
No becoming a health researcher, no five-hour gym days. Xylem is designed to survive business dinners, travel, and deadlines — capacity is deliberately capped so care stays private, not a crowded practice.
Root Cause, Not Symptom Management
We measure, interpret, intervene, monitor, and adjust — real diagnostics and continuous course-correction, not a PDF you’re left to follow alone for six months.
Virtual Visits, for Men Based in Texas
Care that fits your schedule — delivered by a licensed physician, for men who live in or are physically located in Texas.
Real Outcomes, Real Vitality
Positive Outcomes
One-on-one care built around your own biology — real labs, a physician-managed protocol, and a plan designed to fit the life you already have, not a generic program you’re expected to force yourself into.
Client Satisfaction
The men in this program consistently say the same thing: no doctor has ever reviewed their labs like this, or explained what they actually mean. That’s the standard we hold ourselves to.
Commitment to Safety and Confidentiality
Your labs, your protocol, and your conversations with Dr. Harrell stay private. This is a private system built around you — not a program run out of a crowded clinic waiting room.
Meet Your Physician & Coach
Get to know the two people behind Xylem: a physician who treats the root cause, not just the symptom, and a coach who helps make it stick. Real medicine and real accountability — not a rotating cast of providers.
We are always
here to help you
Austin, Texas
5900 Balcones Drive Suite 100