Biomarker hub · 41 markers

Know your numbers. Optimize every one.

Optimal reference ranges with context, lifestyle interventions, and supplement protocols for every key marker. Built from peer-reviewed research, longevity medicine, and elite performance science.

Now with women's reference ranges — toggle on any marker
Hormones (8)Metabolic (6)Lipids & cardiovascular (6)Inflammation & immune (5)Performance & recovery (6)Longevity-specific (4)Women's hormones (6)

Hormones

8 markers
Total testosterone
Popular
Optimal: 600–900 ng/dL
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Free testosterone
Optimal: 12–25 pg/mL
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Cortisol (AM)
Optimal: 10–20 μg/dL
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SHBG
Optimal: 20–50 nmol/L
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Estradiol
Optimal: 20–35 pg/mL
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DHEA-S
Optimal: 350–500 μg/dL
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TSH
Optimal: 0.5–2.5 mIU/L
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Free T3
Optimal: 3.5–4.5 pg/mL
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Metabolic

6 markers
Fasting glucose
Optimal: 70–90 mg/dL
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Fasting insulin
Optimal: <5 μIU/mL
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HbA1c
Optimal: <5.4%
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HOMA-IR
Optimal: <1.0
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Triglycerides
Optimal: <80 mg/dL
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Uric acid
Optimal: <5.5 mg/dL
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Lipids & cardiovascular

6 markers
ApoB
Popular
Optimal: <70 mg/dL
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LDL-C
Optimal: <100 mg/dL
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HDL-C
Optimal: >60 mg/dL
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Lp(a)
Optimal: <30 mg/dL
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Homocysteine
Optimal: <8 μmol/L
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Blood pressure
Optimal: 110/70 mmHg
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Inflammation & immune

5 markers
hsCRP
Popular
Optimal: <1.0 mg/L
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Ferritin
Optimal: 75–150 ng/mL
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Vitamin D
Popular
Optimal: 50–80 ng/mL
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WBC count
Optimal: 4.5–6.5 K/μL
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N/L ratio
Optimal: 1.5–2.5
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Performance & recovery

6 markers
VO2 max
Popular
Optimal: >50 ml/kg/min
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Resting heart rate
Optimal: <60 bpm
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Heart rate variability
Popular
Optimal: >55 ms
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Grip strength
Optimal: >50 kg
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Zone 2 wattage
Optimal: Bodyweight × 2W
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Sleep efficiency
Optimal: >85%
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Longevity-specific

4 markers
IGF-1
Optimal: 150–200 ng/mL
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Telomere length
Optimal: Age-matched
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Epigenetic age
Optimal: Below chronological
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Biological age
Optimal: Below chronological
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Women's hormones

6 markers
AMH (ovarian reserve)
WomenPopular
Optimal: 1.0–4.0 ng/mL
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Estradiol (cycle-aware)
WomenPopular
Optimal: 30–100 pg/mL day 3
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Progesterone
Women
Optimal: 10–25 ng/mL mid-luteal
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FSH (female)
Women
Optimal: 3–10 IU/L day 3
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LH (female)
Women
Optimal: 2–10 IU/L day 3
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Prolactin (female)
Women
Optimal: 2–25 ng/mL
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