Category: Biomarkers
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11 ways to improve heart rate variability (HRV)
How to increase HRV, boost readiness and prepare your body for peak performance
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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 insights can help you prevent long-term complications.
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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 to hs-CRP and ApoB — and explains how they relate to your risk of heart disease.
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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 affect energy, mood, fertility, and recovery. Includes a structured summary for quick reference.
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Complete blood count (CBC) markers explained
Quickly understand Complete Blood Count markers: WBC, RBC, hemoglobin, hematocrit, MCV, MCH, MCHC, RDW, platelets & MPV
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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.
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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
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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.
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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.