Biomarkers
Explore our latest articles on biomarkers to feed the curious you.

11 ways to improve heart rate variability (HRV)
How to increase HRV, boost readiness and prepare your body for peak performance
Jan 27, 2026
Diabetes risk blood test explained: Metabolic markers and healthy ranges revealed
Understand your risk for diabetes with key blood tests like fasting glucose, insulin, HbA1c, and HOMA-IR. Learn what each marker means — and how early …
Aug 26, 2025
10 cardiovascular health blood test markers explained
Curious what your heart health blood test results really mean? This guide breaks down 10 essential cardiovascular markers — from LDL and triglycerides …
Aug 05, 2025
Hormones explained: what blood testing can reveal about your health
A clear explainer of the key hormones tested in Ultrahuman’s Blood Vision panel — what each one does, why it matters, and how high or low levels can …
Aug 04, 2025
Complete blood count (CBC) markers explained
Quickly understand Complete Blood Count markers: WBC, RBC, hemoglobin, hematocrit, MCV, MCH, MCHC, RDW, platelets & MPV
Jul 30, 2025
How caffeine affects your sleep – and when you should stop drinking it
Discover how caffeine affects your sleep, from latency to REM disruption—plus science-backed tips for timing your intake without sacrificing rest.
Jul 11, 2025
Caffeine and adenosine: The reason behind the coffee crash
How caffeine affects adenosine signaling, sleep, and energy. Learn why crashes happen and how to reset your tolerance for better cognitive performance
Jun 20, 2025
Heart rate variability (HRV): What's normal – and how to increase it
We explain HRV, and the science behind this important wearables metric – and finally, what it says about your health.
Jun 18, 2025
The vagus nerve and HRV: How to unlock your parasympathetic superpower
Discover how the vagus nerve influences HRV, stress, and recovery — and how you can train it to improve parasympathetic tone and resilience.
Jun 16, 2025