Explore the key areas of your health we measure and monitor.
Hormones, Thyroid & Reproductive HealthMetabolic and cardiovascular healthInflammation and ImmunitiesOrgan Function and detoxificationLifestyle, general and well-being
A focused look at hormone balance, thyroid function, and reproductive health markers that influence energy, mood, metabolism, and long-term wellbeing.
Add-on
Thyroid peroxidase antibodies (TPO): A laboratory measurement. Consult clinical resources for specific interpretation.
1/year
Thyroid-stimulating hormone from the pituitary. Abnormal levels indicate primary or secondary thyroid dysfunction.
Add-on
Thyroglobulin antibodies (TgAb) are immune proteins measured in blood to help detect autoimmune thyroid disorders.
1/year
Total circulating testosterone (bound + free). Indicates androgen status, fertility, and endocrine health.
1/year
Sex hormone-binding globulin produced by liver; binds sex hormones and modulates their bioavailability.
Add-on
A blood test that measures total PSA and the proportion of free PSA to help assess prostate health and cancer risk.
Add-on
Pituitary hormone involved in lactation and reproductive regulation. Elevated prolactin can cause infertility or galactorrhea.
1/year
Unbound testosterone available to tissues. More directly correlates with androgenic effects than total testosterone.
Add-on
Luteinizing hormone from pituitary stimulating ovulation in women and testosterone production in men.
Add-on
Active thyroid hormone affecting metabolism. Used in detailed thyroid evaluation.
1/year
Unbound thyroxine hormone. Low levels suggest hypothyroidism, high indicate hyperthyroidism.
Add-on
Follicle-stimulating hormone driving follicle development and spermatogenesis. Abnormal levels indicate gonadal dysfunction.
1/year
Primary estrogen regulating reproductive and bone health. Levels vary by sex, age, and cycle phase.
1/year
Adrenal steroid precursor reflecting adrenal androgen production. Altered levels occur in adrenal or gonadal disorders.
1/year
Morning cortisol reflecting HPA axis activity. Abnormal levels indicate adrenal dysfunction or stress adaptation issues.
A focused look at hormone balance, thyroid function, and reproductive health markers that influence energy, mood, metabolism, and long-term wellbeing.
2/year
Circulating fats used for energy. Elevated levels are associated with metabolic syndrome and cardiovascular risk.
1/year
End-product of purine metabolism. Elevated levels increase risk of gout and may signal metabolic dysfunction.
2/year
Sum of cholesterol across lipoproteins. Higher levels correlate with increased cardiovascular risk.
1/year
The Rhesus (Rh) factor is a protein found on the surface of red blood cells that determines whether a person’s blood type is Rh-positive or Rh-negative. Important for transfusion safety and pregnancy management.
2/year
Red cell distribution width (RDW): A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Number of circulating erythrocytes. Deviations indicate anemia, marrow disorders, or dehydration.
1/year
A blood measurement of linoleic acid, an essential omega-6 fatty acid important for cell structure and energy metabolism.
2/year
Number of platelets, essential for clotting. Low counts risk bleeding, high counts risk thrombosis.
1/year
A blood test that measures total omega-6 fatty acids, which are essential fats involved in energy production, cell signaling, and inflammatory processes.
1/year
A blood measurement of docosapentaenoic acid (DPA), a lesser-known omega-3 fatty acid that acts as an intermediate between EPA and DHA.
1/year
A blood measurement of arachidonic acid, an omega-6 fatty acid involved in inflammation and cellular signaling.
1/year
A blood or lipid-based measure that compares omega-6 fatty acids to omega-3 fatty acids, indicating balance between pro- and anti-inflammatory fats.
1/year
A blood measurement of eicosapentaenoic acid (EPA), an omega-3 fatty acid linked to anti-inflammatory and cardiovascular support.
1/year
A blood test that measures overall omega-3 fatty acid levels, mainly EPA and DHA, to assess nutritional and cardiovascular health status.
1/year
A laboratory measurement of docosahexaenoic acid (DHA), an essential omega-3 fatty acid important for brain, eye, and cardiovascular health.
2/year
High-density lipoprotein involved in reverse cholesterol transport. Higher HDL is generally protective.
2/year
Average platelet size. Higher MPV indicates younger, more reactive platelets often seen with increased turnover.
2/year
Average hemoglobin amount per red blood cell. Useful for classifying anemias.
2/year
Average red blood cell size. Helps classify anemia as microcytic, normocytic, or macrocytic.
Add-on
A genetically determined lipoprotein particle similar to LDL that is associated with increased cardiovascular risk.
2/year
Average concentration of hemoglobin in red blood cells. Used in anemia evaluation.
1/year
Leptin: A laboratory measurement. Consult clinical resources for specific interpretation.
1/year
May predict cardiovascular risk better than LDL-C by reflecting particle burden.
2/year
A laboratory measurement. Consult clinical resources for specific interpretation.
1/year
A measurement of the concentration of small, dense LDL particles in the blood.
1/year
A classification of LDL particles based on their size and density, indicating cardiovascular risk.
2/year
Pancreatic hormone regulating glucose uptake. Fasting hyperinsulinemia suggests insulin resistance.
1/year
Serum iron measures circulating iron bound to transferrin. Low in iron deficiency, high in overload.
1/year
A blood test that measures the body’s capacity to bind and transport iron, reflecting transferrin availability.
1/year
A subclass of low-density lipoprotein (LDL) particles of intermediate size, associated with cardiovascular risk assessment.
1/year
Iron % saturation: A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Oxygen-carrying protein in red blood cells. Low hemoglobin indicates anemia and reduced oxygen delivery. High levels may reflect dehydration or polycythemia.
2/year
The proportion of blood volume occupied by red blood cells. Low values indicate anemia. High values suggest dehydration or polycythemia.
2/year
Average glycemia over prior 8–12 weeks. Used to diagnose and monitor diabetes management.
2/year
HDL-Cholesterol: A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Serum glucose is the level of sugar in the blood and serves as the body’s primary source of energy.
1/year
HDL Large refers to the larger, more protective subfraction of high-density lipoprotein (HDL) particles involved in cholesterol transport.
1/year
Iron storage protein indicating iron stores. Low ferritin indicates deficiency, high may reflect inflammation or iron overload.
1/year
May predict cardiovascular risk better than LDL-C by reflecting particle burden.
2/year
An algorithmic estimate of physiological age derived from biomarker patterns and clinical data. Used to track aging-related changes relative to chronological age.
1/year
The arachidonic acid to EPA ratio (AA/EPA) assesses the balance between pro-inflammatory omega-6 and anti-inflammatory omega-3 fatty acids at the cellular level. Lower ratios indicate better inflammatory balance, while elevated ratios suggest increased inflammatory potential and are associated with various chronic diseases.
2/year
Structural protein on atherogenic lipoproteins. Reflects particle number and cardiovascular risk.
1/year
Determines blood type (A, B, AB, O) based on surface antigens.
Essential for transfusions and transplant compatibility.
A focused look at hormone balance, thyroid function, and reproductive health markers that influence energy, mood, metabolism, and long-term wellbeing.
2/year
Urine white blood cells (WBCs) measure the presence of immune cells in urine to help detect infection or inflammation in the urinary tract.
1/year
An autoantibody associated with rheumatoid arthritis and other autoimmune diseases. Presence supports diagnosis but is not specific.
2/year
Proportion of monocytes, white cells involved in phagocytosis and inflammation. Elevations indicate chronic inflammation or recovery from infection.
2/year
Proportion of neutrophils among white cells. Elevation suggests bacterial infection or stress. Low levels increase infection risk.
2/year
Proportion of lymphocytes among white cells. Changes reflect viral infections, chronic inflammation, or immune disorders.
2/year
High-sensitivity C-reactive protein (hs-CRP): A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Proportion of eosinophils, associated with allergic responses and parasitic infections.
2/year
A key electrolyte that reflects bicarbonate levels and helps regulate the body’s acid–base (pH) balance.
2/year
Proportion of basophils, involved in allergic reactions and histamine release.
1/year
A test detecting autoantibodies against nuclear components. Positive ANA suggests autoimmune conditions like SLE but requires clinical correlation.
A focused look at hormone balance, thyroid function, and reproductive health markers that influence energy, mood, metabolism, and long-term wellbeing.
2/year
A measure of how acidic or alkaline urine is, expressed on a scale from 0 to 14.
2/year
Total bilirubin is a blood test that measures the amount of bilirubin to assess liver function and red blood cell breakdown.
2/year
Total protein is a blood test that measures the combined amount of proteins in the blood, mainly albumin and globulin, to assess overall health.
2/year
A urine protein test measures the amount of protein present in urine to help assess kidney function and detect possible health issues.
2/year
Principal extracellular cation essential for fluid balance and neuromuscular function. Abnormalities suggest hydration or renal/endocrine issues.
2/year
Principal extracellular cation essential for fluid balance and neuromuscular function. Abnormalities suggest hydration or renal/endocrine issues.
2/year
Key intracellular cation for cardiac and neuromuscular function. imbalances can cause arrhythmias and muscle dysfunction.
2/year
Key intracellular cation for cardiac and neuromuscular function. Imbalances can cause arrhythmias and muscle dysfunction.
2/year
Urine specific gravity measures the concentration of urine to assess hydration status and kidney function.
2/year
A urine test marker that detects the presence of nitrites, which often indicate bacterial infection in the urinary tract.
2/year
A urine test that detects hidden (non-visible) blood in urine, indicating possible bleeding or urinary tract disorders.
1/year
An enzyme primarily produced by the pancreas that helps break down dietary fats and is measured in blood to assess pancreatic function.
1/year
Essential cofactor for many enzymes and neuromuscular function. Low magnesium can cause arrhythmias and muscle cramps.
2/year
The presence of white blood cells (leukocytes) in urine, typically used as an indicator of infection or inflammation in the urinary tract.
2/year
A urine test that detects ketones, indicating fat breakdown for energy instead of glucose.
1/year
Gamma‑glutamyl transferase, sensitive to biliary injury and alcohol exposure. Elevated in cholestasis.
2/year
Globulin: A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Primary circulating sugar. Fasting elevation signals insulin resistance, prediabetes, or diabetes.
2/year
Estimated glomerular filtration rate assessing kidney filtration capacity. Lower values indicate impaired renal function.
2/year
Major extracellular anion assisting acid‑base balance. Deviations occur with metabolic disturbances and renal dysfunction.
2/year
Mineral crucial for bone health, neuromuscular function, and signaling. Abnormal levels suggest parathyroid, renal, or vitamin D disorders.
2/year
Urea concentration reflecting protein metabolism and renal excretion. Elevated in renal impairment or volume depletion.
2/year
Mineral crucial for bone health, neuromuscular function, and signaling. Abnormal levels suggest parathyroid, renal, or vitamin D disorders.
2/year
Carbon dioxide (bicarbonate, CO₂): A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Major extracellular anion assisting acid‑base balance. Deviations occur with metabolic disturbances and renal dysfunction.
2/year
Urine color is a visual indicator of hydration status and possible underlying health conditions.
2/year
A muscle metabolism byproduct cleared by kidneys. Elevated serum creatinine suggests reduced glomerular filtration.
2/year
Aspartate aminotransferase (AST): A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
A urine marker that detects bilirubin, a byproduct of red blood cell breakdown, used to assess liver and bile duct health.
2/year
A visual assessment of urine clarity and color used to provide initial insights into hydration and possible health conditions.
1/year
An enzyme that helps digest carbohydrates and is commonly used to assess pancreatic health.
2/year
A liver enzyme that helps convert proteins into energy and is a key marker of liver health.
1/year
A blood test ratio that compares albumin and globulin levels to assess liver function, immune status, and overall protein balance.
1/year
A urine test that measures small amounts of albumin to detect early kidney damage.
2/year
Enzyme from liver and bone. Elevated in cholestasis, bone turnover, or biliary obstruction.
2/year
Primary plasma protein synthesized by the liver. Maintains oncotic pressure and transports small molecules. Low levels suggest liver disease or malnutrition.
A focused look at hormone balance, thyroid function, and reproductive health markers that influence energy, mood, metabolism, and long-term wellbeing.
1/year
Zinc is an essential trace mineral measured in blood to evaluate nutritional status, immune function, and metabolic health.
1/year
Main circulating form of vitamin D reflecting status from sun exposure and intake. Deficiency affects bone and immune health.
Add-on
A metabolic byproduct measured in blood or urine that helps assess vitamin B12 status.
1/year
Essential cofactor for many enzymes and neuromuscular function. Low magnesium can cause arrhythmias and muscle cramps.
Add-on
Amino acid linked to B‑vitamin metabolism. Elevated levels associate with vascular risk and methylation defects.
Add-on
Thyroid peroxidase antibodies (TPO): A laboratory measurement. Consult clinical resources for specific interpretation.
1/year
Thyroid-stimulating hormone from the pituitary. Abnormal levels indicate primary or secondary thyroid dysfunction.
Add-on
Thyroglobulin antibodies (TgAb) are immune proteins measured in blood to help detect autoimmune thyroid disorders.
1/year
Total circulating testosterone (bound + free). Indicates androgen status, fertility, and endocrine health.
1/year
Sex hormone-binding globulin produced by liver; binds sex hormones and modulates their bioavailability.
Add-on
A blood test that measures total PSA and the proportion of free PSA to help assess prostate health and cancer risk.
Add-on
Pituitary hormone involved in lactation and reproductive regulation. Elevated prolactin can cause infertility or galactorrhea.
1/year
Unbound testosterone available to tissues. More directly correlates with androgenic effects than total testosterone.
Add-on
Luteinizing hormone from pituitary stimulating ovulation in women and testosterone production in men.
Add-on
Active thyroid hormone affecting metabolism. Used in detailed thyroid evaluation.
1/year
Unbound thyroxine hormone. Low levels suggest hypothyroidism, high indicate hyperthyroidism.
Add-on
Follicle-stimulating hormone driving follicle development and spermatogenesis. Abnormal levels indicate gonadal dysfunction.
1/year
Primary estrogen regulating reproductive and bone health. Levels vary by sex, age, and cycle phase.
1/year
Adrenal steroid precursor reflecting adrenal androgen production. Altered levels occur in adrenal or gonadal disorders.
1/year
Morning cortisol reflecting HPA axis activity. Abnormal levels indicate adrenal dysfunction or stress adaptation issues.
2/year
Circulating fats used for energy. Elevated levels are associated with metabolic syndrome and cardiovascular risk.
1/year
End-product of purine metabolism. Elevated levels increase risk of gout and may signal metabolic dysfunction.
2/year
Sum of cholesterol across lipoproteins. Higher levels correlate with increased cardiovascular risk.
1/year
The Rhesus (Rh) factor is a protein found on the surface of red blood cells that determines whether a person’s blood type is Rh-positive or Rh-negative. Important for transfusion safety and pregnancy management.
2/year
Red cell distribution width (RDW): A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Number of circulating erythrocytes. Deviations indicate anemia, marrow disorders, or dehydration.
1/year
A blood measurement of linoleic acid, an essential omega-6 fatty acid important for cell structure and energy metabolism.
2/year
Number of platelets, essential for clotting. Low counts risk bleeding, high counts risk thrombosis.
1/year
A blood test that measures total omega-6 fatty acids, which are essential fats involved in energy production, cell signaling, and inflammatory processes.
1/year
A blood measurement of docosapentaenoic acid (DPA), a lesser-known omega-3 fatty acid that acts as an intermediate between EPA and DHA.
1/year
A blood measurement of arachidonic acid, an omega-6 fatty acid involved in inflammation and cellular signaling.
1/year
A blood or lipid-based measure that compares omega-6 fatty acids to omega-3 fatty acids, indicating balance between pro- and anti-inflammatory fats.
1/year
A blood measurement of eicosapentaenoic acid (EPA), an omega-3 fatty acid linked to anti-inflammatory and cardiovascular support.
1/year
A blood test that measures overall omega-3 fatty acid levels, mainly EPA and DHA, to assess nutritional and cardiovascular health status.
1/year
A laboratory measurement of docosahexaenoic acid (DHA), an essential omega-3 fatty acid important for brain, eye, and cardiovascular health.
2/year
High-density lipoprotein involved in reverse cholesterol transport. Higher HDL is generally protective.
2/year
Average platelet size. Higher MPV indicates younger, more reactive platelets often seen with increased turnover.
2/year
Average hemoglobin amount per red blood cell. Useful for classifying anemias.
2/year
Average red blood cell size. Helps classify anemia as microcytic, normocytic, or macrocytic.
Add-on
A genetically determined lipoprotein particle similar to LDL that is associated with increased cardiovascular risk.
2/year
Average concentration of hemoglobin in red blood cells. Used in anemia evaluation.
1/year
Leptin: A laboratory measurement. Consult clinical resources for specific interpretation.
1/year
May predict cardiovascular risk better than LDL-C by reflecting particle burden.
2/year
A laboratory measurement. Consult clinical resources for specific interpretation.
1/year
A measurement of the concentration of small, dense LDL particles in the blood.
1/year
A classification of LDL particles based on their size and density, indicating cardiovascular risk.
2/year
Pancreatic hormone regulating glucose uptake. Fasting hyperinsulinemia suggests insulin resistance.
1/year
Serum iron measures circulating iron bound to transferrin. Low in iron deficiency, high in overload.
1/year
A blood test that measures the body’s capacity to bind and transport iron, reflecting transferrin availability.
1/year
A subclass of low-density lipoprotein (LDL) particles of intermediate size, associated with cardiovascular risk assessment.
1/year
Iron % saturation: A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Oxygen-carrying protein in red blood cells. Low hemoglobin indicates anemia and reduced oxygen delivery. High levels may reflect dehydration or polycythemia.
2/year
The proportion of blood volume occupied by red blood cells. Low values indicate anemia. High values suggest dehydration or polycythemia.
2/year
Average glycemia over prior 8–12 weeks. Used to diagnose and monitor diabetes management.
2/year
HDL-Cholesterol: A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Serum glucose is the level of sugar in the blood and serves as the body’s primary source of energy.
1/year
HDL Large refers to the larger, more protective subfraction of high-density lipoprotein (HDL) particles involved in cholesterol transport.
1/year
Iron storage protein indicating iron stores. Low ferritin indicates deficiency, high may reflect inflammation or iron overload.
1/year
May predict cardiovascular risk better than LDL-C by reflecting particle burden.
2/year
An algorithmic estimate of physiological age derived from biomarker patterns and clinical data. Used to track aging-related changes relative to chronological age.
1/year
The arachidonic acid to EPA ratio (AA/EPA) assesses the balance between pro-inflammatory omega-6 and anti-inflammatory omega-3 fatty acids at the cellular level. Lower ratios indicate better inflammatory balance, while elevated ratios suggest increased inflammatory potential and are associated with various chronic diseases.
2/year
Structural protein on atherogenic lipoproteins. Reflects particle number and cardiovascular risk.
1/year
Determines blood type (A, B, AB, O) based on surface antigens.
Essential for transfusions and transplant compatibility.
2/year
Urine white blood cells (WBCs) measure the presence of immune cells in urine to help detect infection or inflammation in the urinary tract.
1/year
An autoantibody associated with rheumatoid arthritis and other autoimmune diseases. Presence supports diagnosis but is not specific.
2/year
Proportion of monocytes, white cells involved in phagocytosis and inflammation. Elevations indicate chronic inflammation or recovery from infection.
2/year
Proportion of neutrophils among white cells. Elevation suggests bacterial infection or stress. Low levels increase infection risk.
2/year
Proportion of lymphocytes among white cells. Changes reflect viral infections, chronic inflammation, or immune disorders.
2/year
High-sensitivity C-reactive protein (hs-CRP): A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Proportion of eosinophils, associated with allergic responses and parasitic infections.
2/year
A key electrolyte that reflects bicarbonate levels and helps regulate the body’s acid–base (pH) balance.
2/year
Proportion of basophils, involved in allergic reactions and histamine release.
1/year
A test detecting autoantibodies against nuclear components. Positive ANA suggests autoimmune conditions like SLE but requires clinical correlation.
2/year
A measure of how acidic or alkaline urine is, expressed on a scale from 0 to 14.
2/year
Total bilirubin is a blood test that measures the amount of bilirubin to assess liver function and red blood cell breakdown.
2/year
Total protein is a blood test that measures the combined amount of proteins in the blood, mainly albumin and globulin, to assess overall health.
2/year
A urine protein test measures the amount of protein present in urine to help assess kidney function and detect possible health issues.
2/year
Principal extracellular cation essential for fluid balance and neuromuscular function. Abnormalities suggest hydration or renal/endocrine issues.
2/year
Principal extracellular cation essential for fluid balance and neuromuscular function. Abnormalities suggest hydration or renal/endocrine issues.
2/year
Key intracellular cation for cardiac and neuromuscular function. imbalances can cause arrhythmias and muscle dysfunction.
2/year
Key intracellular cation for cardiac and neuromuscular function. Imbalances can cause arrhythmias and muscle dysfunction.
2/year
Urine specific gravity measures the concentration of urine to assess hydration status and kidney function.
2/year
A urine test marker that detects the presence of nitrites, which often indicate bacterial infection in the urinary tract.
2/year
A urine test that detects hidden (non-visible) blood in urine, indicating possible bleeding or urinary tract disorders.
1/year
An enzyme primarily produced by the pancreas that helps break down dietary fats and is measured in blood to assess pancreatic function.
1/year
Essential cofactor for many enzymes and neuromuscular function. Low magnesium can cause arrhythmias and muscle cramps.
2/year
The presence of white blood cells (leukocytes) in urine, typically used as an indicator of infection or inflammation in the urinary tract.
2/year
A urine test that detects ketones, indicating fat breakdown for energy instead of glucose.
1/year
Gamma‑glutamyl transferase, sensitive to biliary injury and alcohol exposure. Elevated in cholestasis.
2/year
Globulin: A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Primary circulating sugar. Fasting elevation signals insulin resistance, prediabetes, or diabetes.
2/year
Estimated glomerular filtration rate assessing kidney filtration capacity. Lower values indicate impaired renal function.
2/year
Major extracellular anion assisting acid‑base balance. Deviations occur with metabolic disturbances and renal dysfunction.
2/year
Mineral crucial for bone health, neuromuscular function, and signaling. Abnormal levels suggest parathyroid, renal, or vitamin D disorders.
2/year
Urea concentration reflecting protein metabolism and renal excretion. Elevated in renal impairment or volume depletion.
2/year
Mineral crucial for bone health, neuromuscular function, and signaling. Abnormal levels suggest parathyroid, renal, or vitamin D disorders.
2/year
Carbon dioxide (bicarbonate, CO₂): A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
Major extracellular anion assisting acid‑base balance. Deviations occur with metabolic disturbances and renal dysfunction.
2/year
Urine color is a visual indicator of hydration status and possible underlying health conditions.
2/year
A muscle metabolism byproduct cleared by kidneys. Elevated serum creatinine suggests reduced glomerular filtration.
2/year
Aspartate aminotransferase (AST): A laboratory measurement. Consult clinical resources for specific interpretation.
2/year
A urine marker that detects bilirubin, a byproduct of red blood cell breakdown, used to assess liver and bile duct health.
2/year
A visual assessment of urine clarity and color used to provide initial insights into hydration and possible health conditions.
1/year
An enzyme that helps digest carbohydrates and is commonly used to assess pancreatic health.
2/year
A liver enzyme that helps convert proteins into energy and is a key marker of liver health.
1/year
A blood test ratio that compares albumin and globulin levels to assess liver function, immune status, and overall protein balance.
1/year
A urine test that measures small amounts of albumin to detect early kidney damage.
2/year
Enzyme from liver and bone. Elevated in cholestasis, bone turnover, or biliary obstruction.
2/year
Primary plasma protein synthesized by the liver. Maintains oncotic pressure and transports small molecules. Low levels suggest liver disease or malnutrition.
1/year
Zinc is an essential trace mineral measured in blood to evaluate nutritional status, immune function, and metabolic health.
1/year
Main circulating form of vitamin D reflecting status from sun exposure and intake. Deficiency affects bone and immune health.
Add-on
A metabolic byproduct measured in blood or urine that helps assess vitamin B12 status.
1/year
Essential cofactor for many enzymes and neuromuscular function. Low magnesium can cause arrhythmias and muscle cramps.
Add-on
Amino acid linked to B‑vitamin metabolism. Elevated levels associate with vascular risk and methylation defects.