ZRT Home Kit Labs
Accurate, convenient, and designed for real life.
At Kaizen Health, we partner with ZRT Laboratory, a leader in at-home functional testing, to bring you easy, reliable access to lab data—without leaving your home. ZRT home kits make it simple to measure key biomarkers through saliva, dried blood spot, or dried urine samples, offering insight into your hormones, metabolism, nutrients, and stress response.
These tests deliver clinical-grade accuracy while letting you collect samples on your own schedule—ideal for anyone seeking deeper understanding of their health, naturally and conveniently.
Why Patients Choose ZRT Home Kits
- 🏠 Convenient & Private
Collect your sample in the comfort of your home—no lab visits, no waiting rooms. Kits include simple instructions and prepaid return shipping. - 🌿 Functional, Whole-Body Insight
ZRT testing evaluates multiple systems at once, helping uncover the root causes of symptoms such as fatigue, sleep changes, weight gain, mood swings, or hormonal imbalance. - 🧬 Accurate, Evidence-Based Results
ZRT uses advanced technology to analyze hormones, nutrients, and metabolites with the same precision as conventional labs—trusted by clinicians worldwide. - 💸 Affordable & Accessible
Kaizen Health offers ZRT testing with transparent pricing and no insurance hassles. You can select only the panels that fit your health goals and budget.
Common ZRT Home Tests
- Hormone Balance Panels: Estrogen, progesterone, testosterone, DHEA, cortisol (saliva or dried blood spot)
- Thyroid Health: TSH, Free T3, Free T4, and thyroid antibodies
- Adrenal & Stress Profiles: Cortisol awakening response, diurnal rhythm, DHEA-S
- Metabolic & Nutrient Markers: Vitamin D, insulin, HbA1c, omega-3 index, blood spot profiles
- Sleep & Melatonin: Evening and overnight melatonin patterns
Results are typically available within 7–10 business days after samples are received at the lab.
🌿 Take the Next Step Toward Empowered Wellness
Your health data shouldn’t be hard to access or understand. ZRT home kits put reliable information in your hands—so you and your Kaizen Health provider can create a personalized plan grounded in real insight.
Whether you’re optimizing hormones, improving energy, or simply staying proactive, convenient, at-home testing makes it easier to stay in tune with your body.


















