The Premium Test with PhenoAge delivers a scientific analysis of 50+ advanced biomarkers across inflammation, blood function, metabolic balance, cardiovascular health, micronutrient levels, and fatty acid profiles.
This mid-tier test goes far beyond basic blood work — offering precise insights into your aging trajectory and helping you make informed decisions for a longer, healthier life.
✔ Omega-3 Index & 6:3 Ratio – Track inflammation and cellular health
✔ Cardiovascular Risk Panel – LDL, HDL, ApoB/A1 ratio, Lipoprotein(a), Oxidized LDL
✔ Vitamin Status – B12, Folate, D, and intracellular Magnesium
✔ Electrolytes & Kidney Health – Sodium, Potassium, Creatinine, Uric Acid
✔ PhenoAge Score – Based on 9 validated aging biomarkers
Your biological age reflects how well your body is functioning — far more accurately than your birthday.
The Premium Test empowers you to:
✔ Understand Your Inflammation & Recovery Capacity – hs-CRP, WBC subsets, RDW, and ESR
✔ Reveal Hidden Cardiovascular Risk – Lipoprotein(a), ApoB, oxidized LDL, triglyceride ratios
✔ Detect Nutrient Gaps – Intracellular magnesium, Vitamin B12, D, and folate levels
✔ Evaluate Metabolic & Insulin Health – Fasting glucose, HOMA-IR, uric acid
✔ Assess Cell Membrane Health & Omega Balance – Omega-3 index, Omega-6:3 ratio, ARA/EPA
Tracking these gives you actionable insight into how your body is aging — and how to reverse course with targeted interventions.
Taking the Premium Test is simple, scientific, and designed for your convenience:
• Book your test online on xLongevity website.
• A certified phlebotomist collects your blood sample from the comfort of your home
• Your sample is tested by our certified lab using gold-standard methods
• Within 7–10 business days, your results are uploaded to your secure dashboard
Upon completion of your sample analysis, your results in form of report will be uploaded to your secure xLongevity online account. Accessible through your personal login, you'll receive actionable insights and recommendations for nutrition/supplementation and training from xLongevity coaches.