All Fitness and Performance

“All Fitness and Performance Tests” brings every core and optional athlete blood test into one place so you can build a smart, personalized lab plan. Use these tests to understand the biology behind energyrecoveryhydration, and training adaptation. A practical approach starts with a core panel—CBC, CMP/electrolytes, lipid panel, and A1c or fasting glucose—then adds targeted markers like ferritin/ironvitamin Dthyroid (TSH)creatine kinase (CK)hs-CRPmagnesium, ... See more

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The Hemoglobin A1c with eAG Test measures average blood sugar levels over the past 2–3 months and provides an estimated average glucose (eAG) value for easier understanding. It is widely used to screen, diagnose, and monitor diabetes and prediabetes. Doctors use this test to evaluate long-term glucose control, adjust treatment, and reduce the risk of complications such as neuropathy, kidney disease, and heart problems linked to poor blood sugar management.

Blood
Blood Draw
Also Known As: A1c with eAG Test, HbA1c with eAG Test, Glycated Hemoglobin with estimated Average Glucose Test

Most Popular

The Homocysteine Test measures homocysteine levels in blood to assess risk for heart disease, stroke, and vascular problems. Elevated homocysteine may result from vitamin B6, B12, or folate deficiency and is linked to blood clots, cognitive decline, and osteoporosis. Doctors use this test to evaluate cardiovascular risk, monitor nutritional deficiencies, and guide treatment for metabolic or genetic conditions affecting homocysteine metabolism.

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Blood Draw
Also Known As: Homocysteine Cardiac Risk Test

Most Popular

The IGF-1 Test measures insulin-like growth factor 1, a hormone regulated by growth hormone (GH), to assess growth and endocrine function. Abnormal levels may indicate growth disorders, acromegaly, gigantism, or GH deficiency. Doctors order this test to evaluate delayed growth, short stature, excessive growth, or pituitary disease and to monitor GH therapy. Results provide valuable insight into hormone balance, metabolism, and overall endocrine health.

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Blood Draw
Also Known As: Insulin-like Growth Factor 1 Test, Somatomedin-C Test, IGF-I Test

Most Popular

The Immunoglobulin A (IgA) Test measures IgA antibody levels in blood to evaluate immune system health and mucosal defense in the respiratory and digestive tracts. Low IgA may indicate immune deficiency, celiac disease, or recurrent infections, while high levels may suggest autoimmune disorders, liver disease, or chronic inflammation. Doctors use this test to assess unexplained illness or immune imbalance. Results provide key insight into antibody function and overall immunity.

Blood
Blood Draw
Also Known As: Immunoglobulin A Test, Immunoglobulin A Antibody Test, IgA Antibody Test

The Indican Urine Test measures indican, a byproduct of protein breakdown by intestinal bacteria. Elevated levels may indicate poor digestion, malabsorption, small intestinal bacterial overgrowth (SIBO), or gastrointestinal disorders. Doctors use this test to evaluate gut health, investigate symptoms like bloating, gas, or fatigue, and monitor treatment for digestive imbalances. It provides valuable insight into intestinal function, metabolism, and overall digestive health.

Urine
Urine Collection
Also Known As: Urine Indican Test

Most Popular

The Insulin Test measures insulin levels in blood to assess how the body regulates glucose and metabolism. It helps diagnose insulin resistance, hypoglycemia, type 2 diabetes, and metabolic syndrome. Doctors also use it to evaluate pancreatic function and monitor treatment effectiveness. Frequently ordered with glucose testing, the insulin test provides critical insight into endocrine health, blood sugar control, and risk for diabetes-related complications.

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Blood Draw
Also Known As: Fasting Insulin Blood Test

The Iodine Serum/Plasma Test measures iodine levels in blood to evaluate thyroid health, hormone production, and nutritional balance. Abnormal levels may indicate iodine deficiency, leading to hypothyroidism or goiter, or excess iodine, which can disrupt thyroid function. Doctors use this test to investigate fatigue, weight changes, or thyroid disorders and to monitor supplementation. It provides valuable insight into endocrine, metabolic, and overall health.

Blood
Blood Draw
Also Known As: Iodine Test, Iodine Blood Test

The Iron Total and Total Iron Binding Capacity (TIBC) Test measures iron levels in blood along with the blood’s ability to transport iron. It helps diagnose iron deficiency anemia, iron overload (hemochromatosis), and monitor nutritional or chronic health conditions. Low iron or high TIBC may indicate anemia, while high iron or low TIBC can suggest overload. Doctors use this test to evaluate fatigue, weakness, or other symptoms linked to iron and metabolic health.

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Blood Draw
Also Known As: Serum Iron Test, Total Iron Binding Capacity Test, TIBC Test, UIBC Test

The Iron Micronutrient Test measures blood iron levels to evaluate nutritional status and detect deficiencies or excess. Iron is essential for hemoglobin production, oxygen transport, energy metabolism, and immune function. This test helps identify anemia, iron overload, absorption issues, or dietary imbalances, supporting diagnosis and management of overall health and vital body functions.

Patient must be 18 years of age or older.
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Blood Draw
Also Known As: Serum Iron Test, Serum Fe Test

Most Popular

The Iron Total Test measures iron levels in blood to evaluate nutritional status, red blood cell production, and overall metabolic health. Abnormal levels may indicate iron deficiency anemia, chronic blood loss, or poor absorption, while high levels may suggest hemochromatosis, liver disease, or iron overload. Doctors use this test to investigate fatigue, weakness, or pallor and to monitor treatment. Results provide key insight into anemia and iron balance.

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Blood Draw
Also Known As: Serum Iron Test, Serum Fe Test

The Mineral Micronutrients Test Panel measures minerals: Calcium, Chromium, Copper, Iron, Magnesium RBC, Manganese, Molybdenum, Selenium, and Zinc to assess nutritional balance and overall health. These minerals are essential for bone strength, metabolism, energy production, antioxidant defense, and immune function. The panel helps detect deficiencies, excesses, or absorption issues, guiding health management.

Patient must be 18 years of age or older.

The Lactate Dehydrogenase (LDH) Test measures LDH enzyme levels in blood to assess tissue damage and overall health. Elevated LDH may indicate conditions such as liver disease, heart attack, anemia, infections, or certain cancers, while low levels are uncommon. Doctors use this test to help diagnose disease, monitor treatment effectiveness, and track cell damage. It provides valuable insight into metabolic activity and organ function.

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Blood Draw
Also Known As: LD Test, LDH Test, Lactic Acid Dehydrogenase Test

The Lipid Panel with Ratios Test measures seven key markers: total cholesterol, HDL, LDL, non-HDL cholesterol, triglycerides, Chol/HDL ratio, and LDL/HDL ratio. This advanced panel evaluates cardiovascular risk by assessing cholesterol balance and fat metabolism. Doctors use it to detect high cholesterol, atherosclerosis risk, and heart disease, and to monitor treatment. Often part of routine exams, it provides insight into long-term heart and metabolic health.

Also Known As: Lipid Profile Test, Cholesterol Panel Test, Lipid Blood Test

The Lipoprotein (a) Test measures Lp(a), a genetic form of LDL cholesterol linked to higher risk of heart disease, stroke, and atherosclerosis. Unlike standard cholesterol tests, Lp(a) levels are inherited and not easily lowered by lifestyle changes. Doctors order this test for patients with a family history of early cardiovascular disease or high cholesterol. Results help identify hidden risk, guide prevention strategies, and support heart and vascular health management.

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Blood Draw
Also Known As: Lipoprotein A Test, Lpa Test, Lp(a) Test

Most Popular

The Magnesium Serum Test measures magnesium levels in blood to evaluate electrolyte balance, nerve and muscle function, and overall metabolic health. Abnormal levels may indicate kidney disease, malnutrition, gastrointestinal disorders, or uncontrolled diabetes. Low magnesium can cause weakness, cramps, or irregular heartbeat, while high levels may signal kidney dysfunction. Doctors use this test to diagnose deficiencies, monitor therapy, or assess chronic health conditions.

Blood
Blood Draw
Also Known As: Mg Test, Mag Test

The Magnesium Micronutrient RBC Test measures magnesium levels within red blood cells, providing a more accurate assessment of long-term magnesium status than serum tests. Magnesium is vital for muscle and nerve function, energy production, bone strength, and heart health. This test helps detect deficiencies or imbalances from poor diet, absorption issues, or medical conditions, supporting overall wellness.

Patient must be 18 years of age or older.
Other
Phlebotomist
Also Known As:

Magnesium Red Bood Cell Test, Mg Test, Mag Test


The Magnesium RBC Test measures magnesium inside red blood cells, providing a more accurate assessment of magnesium status than serum tests. Magnesium is vital for energy production, muscle and nerve function, heart rhythm, and bone health. Low levels may cause fatigue, cramps, arrhythmias, or weakness, while high levels may signal kidney issues. Doctors order this test to detect deficiency, monitor therapy, and evaluate overall metabolic and nutritional health.

Other
Phlebotomist
Also Known As: Magnesium Red Bood Cell Test, Mg Test, Mag Test

The Mercury Blood Test measures mercury levels to detect exposure from contaminated food, environment, or occupation. Elevated levels may damage the nervous system, kidneys, or cardiovascular health. Doctors order this test for patients with memory problems, tremors, or unexplained fatigue. Results help confirm mercury poisoning, guide detoxification or treatment, and monitor ongoing exposure to protect long-term neurological and metabolic health.

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Blood Draw
Also Known As: Hg Test, Hg Blood Test

The Mercury Micronutrient Blood Test measures mercury levels in the blood to assess exposure and potential toxicity. Mercury, found in contaminated seafood, dental materials, or industrial sources, can harm the nervous system, kidneys, and immune health. This test helps detect harmful accumulation, guide treatment, and monitor health risks related to mercury exposure.

Patient must be 18 years of age or older.
Blood
Blood Draw
Also Known As: Hg Test, Hg Blood Test, Mercury Blood Test

Blood, Other
Blood Draw, Phlebotomist

The Phosphate (as Phosphorus) Test measures phosphorus levels in blood to evaluate bone strength, energy metabolism, and kidney health. Abnormal levels may indicate kidney disease, vitamin D imbalance, parathyroid disorders, or malnutrition. Doctors order this test to investigate fatigue, muscle weakness, or bone problems and to monitor conditions like chronic kidney disease. It provides key insight into metabolic, endocrine, and bone health.

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Blood Draw
Also Known As: Phosphate Test, Phosphorus Test, PO4 Test

Most Popular

The Prealbumin Test measures levels of prealbumin, a protein made by the liver that reflects short-term nutritional status. Low levels may indicate malnutrition, liver disease, inflammation, or chronic illness, while high levels may be linked to kidney disease or steroid use. Doctors use this test to assess protein-calorie nutrition, monitor patients receiving nutritional support, and guide treatment for conditions affecting metabolism and recovery.

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Blood Draw
Also Known As: Thyroxine-binding Prealbumin Test, Transthyretin Test

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The Progesterone Test measures progesterone levels in blood to evaluate ovulation, fertility, and menstrual health. It helps confirm whether ovulation has occurred, assess causes of infertility, and monitor hormone therapy or high-risk pregnancies. Doctors also use it to investigate abnormal bleeding, detect ovarian or adrenal disorders, and evaluate miscarriage risk. This test provides key insight into reproductive, hormonal, and overall endocrine health.

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Blood Draw
Also Known As: PGSN Test

Most Popular

The PSA Total Test measures prostate-specific antigen levels in blood to evaluate prostate health. Elevated PSA may indicate prostate cancer, benign prostatic hyperplasia (BPH), or prostatitis. Doctors use this test for early detection of prostate cancer, monitoring treatment, or assessing recurrence risk. Commonly recommended for men over 50 or those at higher risk, the PSA test supports diagnosis, prevention, and long-term prostate care.

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Blood Draw
Also Known As: Prostate Specific Antigen Test, PSA Test, Prostate Test

Most Popular

The Sed Rate Test, also called the ESR Test, measures how quickly red blood cells settle in a sample of blood. A faster rate may signal inflammation caused by infections, autoimmune diseases, arthritis, or other chronic conditions. Doctors use this test to investigate unexplained fever, joint pain, or muscle aches, and to monitor inflammatory disorders such as lupus or rheumatoid arthritis. The Sed Rate Test provides important insight into overall inflammatory activity.

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Blood Draw
Also Known As: Erythrocyte Sedimentation Rate Test, ESR Test, Sedimentation Rate Test, Westergren Sedimentation Rate Test

Based on modern research, about 53% of American adults get their daily aerobic activity. At the same time, 23% hit the necessary muscle-strengthening activity needed to build muscle. 

This is why self-assessment is not enough to test for your physical fitness. 

You will want to set fitness goals and then hit them. This can only be done when you have accurate data in hand about your fitness status. You will want to go through the necessary lab tests and determine what is ideal for your health. 

Here is more on what you can get with the right physical fitness lab tests as you hope to hit your peak. 

What Is a Stamina, Health Fitness, and Performance Level?

Because the human body is complicated, there are several variables to test your fitness level. This also includes your cardiovascular health, muscular strength, and overall endurance. You will want to account for all of these factors. 

... See more