WHOOP Performance Health Panel

A calculated lipid index using triglycerides and HDL cholesterol, rather than an additional blood measurement.

Calculated ratio of total cholesterol to HDL cholesterol, using measurements in the same units.

The amount of cholesterol carried inside HDL particles in the blood.

The amount of cholesterol carried inside LDL particles, rather than the number of particles.

Calculated comparison of LDL cholesterol to HDL cholesterol, using amounts in the same units.

Calculated by subtracting HDL cholesterol from total cholesterol, capturing cholesterol in the remaining particles.

Cholesterol carried in triglyceride-rich remnant particles, reported through calculation or measurement.

The combined amount of cholesterol carried by the major blood lipoprotein groups.

Fats circulating in the blood that store energy from food the body does not immediately use.

Calculated ratio of triglycerides to HDL cholesterol measured in the same blood sample.

A calculation from blood electrolytes that helps describe the blood's acid-base balance.

A blood chemistry result used to estimate bicarbonate when assessing the body's acid-base balance.

Amount of chloride, one of the blood's major electrolytes, measured in serum or plasma.

The amount of glucose, the body's main circulating sugar and an energy source, in blood.

Calculated estimate of insulin resistance using fasting blood sugar and insulin.

A pancreatic hormone that helps move sugar from blood into cells and regulates energy storage.

How concentrated dissolved particles are in blood, measured directly or estimated from other results.

Calculated

An electrolyte needed for normal nerve signals, muscle contraction and heart function.

A major electrolyte that helps regulate fluid balance and supports nerve and muscle function.

An adrenal hormone involved in stress response, metabolism, blood pressure and inflammation.

An adrenal hormone the body uses to make testosterone and estrogen.

The main estrogen during the reproductive years, produced primarily by the ovaries.

A pituitary hormone that supports development of eggs in the ovaries and production of sperm.

The portion of testosterone circulating without being attached to blood proteins.

A circulating growth factor used as an indicator of growth-hormone activity.

A pituitary hormone involved in ovulation and sex-hormone production in the ovaries and testes.

A protein made mainly by the liver that carries testosterone, estradiol and other sex hormones in blood.

All testosterone circulating in blood, including protein-bound and unbound forms.

The portion of thyroid hormone T3 circulating unbound to blood proteins.

The unbound portion of T4 thyroid hormone available to tissues, commonly considered alongside TSH.

A pituitary hormone that signals the thyroid gland to produce thyroid hormones.

Share of whole-blood fatty acids made up of arachidonic acid, an omega-6 fat.

A calculated comparison of arachidonic acid and EPA, two fatty acids measured in the same sample.

All calcium circulating in blood, including calcium attached to proteins and free calcium.

Amount or proportion of DHA, one of the fatty acids included in omega-3 testing.

The omega-3 fatty acid DPA, reported here as a share of whole-blood fatty acids.

Amount or proportion of EPA, an omega-3 fatty acid, in the tested blood sample.

An iron-storage protein whose blood level generally reflects the body's iron stores.

Vitamin B9, needed for making DNA, cell division and red blood cell production.

Iron circulating in blood at collection, mostly attached to the transport protein transferrin.

Percentage of iron-binding sites occupied, usually calculated from blood iron and total iron-binding capacity.

Share of whole-blood fatty acids made up of linoleic acid, an essential omega-6 fat.

A mineral involved in muscle and nerve function, heart rhythm and many enzyme reactions.

A calculated omega-3 total, defined as EPA+DPA+DHA in the documented whole-blood form.

An assay-specific total of omega-6 fatty acids; the sample and included fatty acids differ between tests.

Calculated comparison of specified omega-6 and omega-3 fats; the sample and included fats matter.

Estimated capacity of the blood's transferrin protein to bind and carry iron.

A vitamin needed for red blood cell formation, nervous-system function and DNA production.

A liver-made protein that rises in response to inflammation, measured with conventional or high-sensitivity assays.

High-sensitivity C-reactive protein (hs-CRP)

A calculated index combining platelet, neutrophil and lymphocyte counts, rather than a separate measured substance.

A liver-cell enzyme that can enter the blood when those cells are damaged.

An enzyme found especially in the liver, bile ducts and bones.

An enzyme in the liver, muscles and other tissues that can enter blood when cells are damaged.

A calculated estimate of liver-scarring risk using age, liver enzymes and platelet count.

The combined direct and indirect forms of bilirubin, a waste product from red-cell breakdown.

Nitrogen from urea in blood, a waste product formed when the body breaks down protein.

A calculated comparison of blood urea nitrogen with creatinine from the same collection.

A waste product from normal muscle activity that the kidneys mainly remove from blood.

A blood marker used to estimate how well the kidneys filter blood.

An estimate of kidney filtration calculated from blood markers such as creatinine or cystatin C.

Cystatin C-based

An estimate of kidney filtration calculated from blood markers such as creatinine or cystatin C.

White blood cells involved in allergic reactions and inflammatory signaling.

Percentage

White blood cells involved in allergic reactions and inflammatory signaling.

Absolute count

A type of white blood cell, reported as a count or percentage of white cells.

Percentage

A type of white blood cell, reported as a count or percentage of white cells.

Absolute count

The share of your blood volume occupied by red blood cells.

The iron-containing protein in red blood cells that carries oxygen around the body.

A group of white blood cells involved in the body's immune responses.

Percentage

A group of white blood cells involved in the body's immune responses.

Absolute count

Calculated average amount of hemoglobin, the oxygen-carrying protein, in each red blood cell.

The calculated average concentration of hemoglobin within packed red blood cells.

The average size of your red blood cells, reported as their volume.

The average size of circulating platelets, distinct from how many platelets are present.

White blood cells that help remove damaged cells and microbes and can develop into tissue immune cells.

Percentage

White blood cells that help remove damaged cells and microbes and can develop into tissue immune cells.

Absolute count

White blood cells that play a central role in the body's early immune responses.

Percentage

White blood cells that play a central role in the body's early immune responses.

Absolute count

The number of platelets in a given volume of circulating blood.

The number of mature red blood cells in a given volume of blood.

How much red blood cells vary in size, rather than their average size.

The number or percentage of young red blood cells, used to assess red blood cell production.

The total number of white blood cells in a given volume of blood.

A liver-made blood protein that helps retain fluid and transport other substances.

A calculated comparison of albumin with globulins, two groups of proteins in the blood.

Calculated amount of non-albumin blood proteins, found by subtracting albumin from total protein.

The combined concentration of albumin and globulins, the main groups of blood proteins.

Activity of an enzyme released from tissues, especially skeletal muscle, into the blood.

Snapshot of how much usable calcium is circulating for muscles, nerves, and bones.

A more accurate red blood cell production signal than reticulocyte % alone when hemoglobin or hematocrit is low.

Nutrient and hormone that supports bone strength and immune health.