Biomarker Knowledge

Biomarker Glossary

Medically reviewed definitions for lab values, hormones, vitals, and methods – explained concisely for biohackers and health optimizers.

20

Entries

25-OH Vitamin D Biomarker ng/ml (nmol/l)

Vitamin D storage form reflecting supply status

calcidiol · 25-hydroxy vitamin D · 25(OH)D · vitamin D3 storage · calcifediol

Details
ApoB Biomarker mg/dl (g/l)

Apolipoprotein B – atherogenic lipoprotein particle count

Apolipoprotein B · ApoB-100

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Creatinine Biomarker mg/dl (µmol/l)

Muscle metabolism byproduct used as a kidney function marker

serum creatinine · creatinin

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Ferritin Biomarker ng/ml (µg/l)

Iron storage protein in the blood

serum ferritin · storage iron

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Free T3 Hormon pg/ml (pmol/l)

Active thyroid hormone triiodothyronine

fT3 · free triiodothyronine · FT3

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Free T4 Hormon ng/dl (pmol/l)

Thyroid prohormone thyroxine

fT4 · free thyroxine · FT4

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GFR Biomarker ml/min/1.73 m²

Glomerular filtration rate as a measure of kidney function

glomerular filtration rate · eGFR · estimated GFR · kidney filtration

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GOT (AST) Biomarker U/l (IU/l)

Liver enzyme indicating cell damage

AST · aspartate aminotransferase · aspartate transaminase · SGOT

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GPT (ALT) Biomarker U/l (IU/l)

Liver-specific enzyme and primary indicator of liver damage

ALT · alanine aminotransferase · alanine transaminase · SGPT

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HbA1c Biomarker % (mmol/mol)

Long-term blood sugar average over 2–3 months

glycated hemoglobin · hemoglobin A1c · A1c · long-term blood sugar

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HDL Cholesterol Biomarker mg/dl (mmol/l)

High-density lipoprotein – the 'good' cholesterol

HDL · HDL-C · good cholesterol · high-density lipoprotein

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Hemoglobin Biomarker g/dl

Oxygen-carrying protein in red blood cells

Hb · blood pigment · haemoglobin

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HOMA-IR Biomarker Index (dimensionless)

Measure of insulin resistance from fasting values

Insulin Resistance Index · HOMA2-IR

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Homocysteine Biomarker µmol/l

Amino acid intermediate as vascular and cognition marker

tHcy · total homocysteine

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HRV Vital ms (RMSSD or SDNN)

Heart rate variability as a stress and recovery marker

heart rate variability · HRV score · RMSSD · SDNN

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hsCRP Biomarker mg/l

High-sensitivity inflammatory marker in the blood

high-sensitivity CRP · hs-CRP · high-sensitive CRP · hsCRP

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LDL Cholesterol Biomarker mg/dl (mmol/l)

Low-density lipoprotein – the 'bad' cholesterol

LDL · LDL-C · bad cholesterol · low-density lipoprotein

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Lp(a) Biomarker mg/dl (nmol/l)

Lipoprotein(a) – genetically determined cardiac risk marker

Lipoprotein a · Lipoprotein(a) · Lp(a) cholesterol

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Triglycerides Biomarker mg/dl (mmol/l)

Blood fats as energy reserve and atherosclerosis risk factor

blood fats · triacylglycerols · TG · TAG

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TSH Hormon mU/l (mIU/l)

Thyroid-stimulating hormone produced by the pituitary gland

thyrotropin · TSH basal · thyroid-stimulating hormone

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