Blood values and what they measure
Blood values are measurable substances in your blood. Together they sketch a picture of your energy, recovery and capacity. Look up a value and check its reference range. Each one explains what a high or low result says about your condition.
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D-Dimer
D-Dimer is a fibrin degradation product released when blood clots are broken down.
DHEA-S
DHEA-S is an anabolic precursor hormone that may influence recovery and performance. Active individuals benefit from monitoring adrenal reserve, especially during high training volumes.
DHT (Dihydrotestosterone)
DHT is a potent androgen derived from testosterone that may influence muscle development, recovery, and body composition. Active individuals benefit from understanding their full androgen profile.
Dopamine (Urine)
Dopamine drives motivation, focus, and reward response — qualities essential for physical performance. This urine test provides insight into catecholamine production and neurological readiness.
ESR (Erythrocyte Sedimentation Rate)
Your ESR value tells you how quickly your red blood cells settle towards the bottom of an upright tube, read after one hour in millimetres per hour.
Eosinophils
Eosinophils are white blood cells involved in allergic reactions and the defence against parasites.
Erythrocytes (RBC)
Red blood cells are the oxygen highway for your muscles and tissues.
Estradiol (E2)
Estradiol (E2) plays a role in bone health, recovery, and joint protection for active individuals. Balanced estrogen levels may support training adaptation and injury prevention.
Estrone (E1)
Estrone (E1) is a weaker estrogen that may influence body composition and recovery in active individuals.
FSH (Follicle Stimulating Hormone)
Follicle-stimulating hormone (FSH) is a pituitary hormone that reflects reproductive and hormonal health in active individuals. Intense training could influence FSH levels through effects on the hypothalamic-pituitary axis.
Ferritin
Your ferritin value tells you how much iron you hold in reserve.
Fibrinogen
Fibrinogen is a protein produced by the liver that plays a dual role as both a clotting factor and an acute-phase reactant.
Folate (Folic Acid)
Folate measures vitamin B9, a nutrient that may support oxygen-carrying red blood cell production and tissue repair.
Free T3 (Triiodothyronine)
Free T3 is considered the most active thyroid hormone and may be important for physical performance, metabolic efficiency, and recovery.
Free T4 (Thyroxine)
Free T4 is the main thyroid hormone and may be essential for physical performance, metabolic efficiency, and training recovery.
Free Testosterone
Free testosterone is the bioavailable form directly responsible for muscle protein synthesis, recovery, and physical drive. For active individuals, it may indicate your body's capacity for adaptation and performance.
GGT (Gamma-Glutamyl Transferase)
GGT is a sensitive liver enzyme that active individuals should monitor, particularly when using performance supplements or following intensive training programmes.
Glucose (Fasting)
Fasting glucose reflects metabolic efficiency, which directly impacts energy availability and performance. Active individuals benefit from understanding their baseline glucose regulation.
HDL Cholesterol
Your HDL cholesterol tells you how much cholesterol is circulating in the particles that carry it back to your liver, and for an athlete it is one of the few blood values that training genuinely moves.
HOMA-IR
HOMA-IR provides insight into your insulin sensitivity, a critical factor for physical performance and body composition.
Haptoglobin
A haptoglobin test measures the level of haptoglobin protein in your blood.
HbA1c (Glycated Hemoglobin)
HbA1c reflects metabolic control over months, giving active individuals a strategic view of glucose management that affects endurance, recovery, and performance consistency.
Hematocrit
Your hematocrit value tells you what share of your blood consists of red blood cells, the cells that carry oxygen to your muscles.
Hemoglobin
Hemoglobin is your primary oxygen-delivery molecule and a cornerstone metric for endurance performance.