Your health, measured smarter
Get to know the biomarkers in your Labs.
Get to know the biomarkers in your Labs.
Measure what matters—up to 120 biomarker tests, twice a year on the Advanced plan. Each test is selected by Hers experts and grouped into 10 vital areas for a holistic picture of your health. Dive in, then get ready for your first test.
Your heart pumps blood to deliver oxygen and nutrients throughout the body. Cholesterol and inflammation markers are crucial to assess cardiovascular risk.
Apolipoprotein B
Apolipoprotein B (ApoB) is a protein that carries LDL and other bad cholesterol particles in the blood. Lower ApoB levels mean fewer harmful cholesterol particles are in your blood, and an overall reduced risk for heart disease.
High-Sensitivity C-Reactive Protein
High-Sensitivity C-Reactive Protein (hs-CRP) is a liver-made protein that rises with inflammation. A low level is associated with a lower heart disease risk.
Lipoprotein (a)
Lipoprotein (a), or Lp(a), is a genetically inherited cholesterol particle similar to LDL. A low level is a good sign for heart health.
Non-HDL Cholesterol
Non-HDL cholesterol includes all the "bad" types of cholesterol that can build up in your arteries. A healthy level is a good sign for your overall heart health.
HDL Cholesterol
HDL, or “good” cholesterol, acts like a cleanup crew to clear harmful fats from your blood. A healthy HDL level helps prevent buildup in your arteries.
LDL Cholesterol
LDL is the “bad” cholesterol linked to plaque buildup in artery walls. A healthy level means fewer harmful cholesterol particles in your blood, which reduces overall risk for plaque buildup.
Total Cholesterol
Total cholesterol is the total amount of all cholesterol types, including HDL, LDL, and other blood fats, and gives a general snapshot of your cholesterol status. When the number is in a good range, it shows a lower risk of developing heart disease.
Cholesterol/HDL Ratio
This ratio compares your total cholesterol to HDL, the "good" cholesterol.
Triglycerides
Triglycerides are a type of fat in your blood made from unused calories that are stored for energy. Low triglyceride levels indicate that your body is not having problems with insulin resistance or processing fat, which is good.
Your metabolism fuels every organ for energy supply and cell repair. Blood sugar and insulin markers ensure this engine is running smoothly.
Uric Acid Advanced plan
Uric acid is the natural waste product when your body breaks down certain foods and drinks. It usually dissolves in your blood and is removed by your kidneys when you urinate.
Glucose
Glucose is the main sugar in your blood and your body’s primary energy source. A healthy level means your body is keeping sugar levels well-regulated.
Hemoglobin A1c (HbA1c)
Hemoglobin A1c (HbA1c) shows your average blood sugar levels over the last 2-3 months. When the number is in a good range it indicates that your blood sugar has been steady.
Insulin
Insulin is a hormone that helps your body use and store sugar, or glucose, for energy. A healthy insulin level means your body is doing a good job of moving sugar from your blood into your cells, which helps keep your blood sugar steady.
Your hormones are the chemical messengers that regulate energy, mood, and sexual health. Markers will signal whether your endocrine system is in balance.
Insulin-like Growth Factor 1 ( IGF-1) Advanced plan
Insulin-like growth factor 1 (IGF-1) reflects your body's growth hormone activity. A healthy level means your body has what it needs to support your muscle, bone, and tissue health.
IGF-1 Z-score Advanced plan
Insulin-like growth factor 1 (IGF-1) reflects your body's growth hormone activity. Because IGF-1 levels vary significantly with age, sex, and pubertal stage, this Z-score is important in indicating how your IGF-1 level compares to other women in your age group, measured in standard deviations.
Estradiol
Estradiol is a form of estrogen that men make from testosterone. At a healthy level, it supports bone strength, libido, brain function, and heart health.
Follicle Stimulating Hormone (FSH)
Follicle-stimulating hormone (FSH) is a hormone produced by part of your brain called the pituitary. It is essential for sperm production and reproductive function.
Luteinizing Hormone (LH)
Luteinizing hormone (LH) is produced by part of your brain called the pituitary. It is a crucial hormone that stimulates testosterone production in the testicles.
Prostate Specific Antigen (PSA)
Prostate-specific antigen (PSA) is a protein produced by the prostate gland that is used for prostate cancer screening. A healthy level suggests that the prostate is functioning optimally.
Sex Hormone Binding Globulin (SHBG)
Sex hormone-binding globulin (SHBG) is a protein that carries testosterone and estrogen in the bloodstream. Unlike some other carrier proteins, it holds on to testosterone and estrogen very tightly, making them less available for your body to use.
Free Testosterone
Free testosterone is the part of your total testosterone that your body can use immediately to support daily energy, libido, and muscle performance, and a key marker of overall vitality. A healthy, balanced level means your body has what it needs to function at its best.
Total Testosterone
Total testosterone is a measurement of all of the testosterone in your bloodstream. It counts all forms of the hormone in your blood, including free molecules and those attached to proteins like albumin and SHBG. This measurement is the go-to to determine if someone has a testosterone deficiency.
Advanced plan
How your body responds to stress and stays in balance is seen through inflammation markers such as cortisol, the primary stress hormone to watch for mood and energy.
Cortisol Advanced plan
Cortisol is your main stress hormone, helping regulate energy, blood sugar, and inflammation, impacting how you focus, sleep, and recover. Healthy levels support a steady mood and resilience.
DHEA-S Advanced plan
DHEA-S is a hormone made by your adrenal glands. At a healthy level, it helps balance the effects of cortisol to support energy, mood, and long-term resilience.
Your thyroid is the gland that produces hormones. If imbalances are present, markers will show hormone production to be either over- or under-active.
Thyroglobulin Antibodies (TgAb) Advanced plan
Thyroglobulin antibodies (TgAb) are immune system proteins that sometimes attack thyroglobulin, the material your thyroid needs to create hormones. Low levels mean your immune system is not interfering with your thyroid's ability to produce hormones.
Thyroid Peroxidase Antibodies (TPOAb) Advanced plan
Thyroid peroxidase antibodies (TPOAb) sometimes attack thyroid peroxidase, an enzyme needed to produce thyroid hormones. Healthy, low levels mean your thyroid is free to make hormones without interference.
Free Triiodothyronine (T3) Advanced plan
Free triiodothyronine (T3) is the active thyroid hormone that fuels metabolism, energy, and mood. When in a healthy range, steady levels show your body has the active thyroid hormone it needs to keep your cells energized and support your daily life.
Thyroid-Stimulating Hormone (TSH)
Thyroid-stimulating hormone (TSH) is the brain’s messenger to your thyroid that communicates the amount of thyroid hormone to make. It also drives metabolism, energy, and mood. A balanced level shows that your brain and thyroid are working together to keep your energy, metabolism, and mood steady.
Free Thyroxine (T4)
Free thyroxine (T4) is the main hormone made by your thyroid gland. While T4 itself has some effects in the body, its main job is to act as a "prohormone", a substance that your body converts into the active form, T3. Healthy levels mean your thyroid is making enough of the inactive hormone that your body can convert into active T3 when needed.
Your kidneys filter waste and balance fluids. Protein byproduct levels and filtration waste markers point to how well your kidneys are filtering waste from the body.
Blood Urea Nitrogen (BUN)
Blood urea nitrogen (BUN) measures the amount of urea, a waste product from protein breakdown, in your blood. Normal levels mean your kidneys are doing a good job of clearing protein waste.
BUN/Creatinine Ratio
This marker compares protein waste (BUN) and creatinine to give a reading on hydration and protein metabolism. A normal ratio suggests healthy fluid balance and that your kidneys are handling protein waste well.
Creatinine
Creatinine is a waste product from muscle activity, like exercise, that the kidneys filter out of the blood. A normal Creatinine level shows that the kidneys are working well and doing a good job of filtering.
Estimated Glomerular Filtration Rate (eGFR)
Estimated glomerular filtration rate (eGFR) measures how well your kidneys filter blood each minute. Healthy levels mean your kidneys are effectively removing waste and balancing fluids.
Your liver processes nutrients, filters toxins, and supports metabolism. Liver enzymes assess how well your liver is working for digestion, metabolism, and detoxification.
Alanine Transaminase (ALT)
Alanine transaminase (ALT) is an enzyme found in liver cells that helps process amino acids. This enzyme is a key marker that shows if your liver cells are healthy and working normally.
Aspartate Aminotransferase (AST)
Aspartate aminotransferase (AST) is an enzyme in the liver and muscles that helps to process amino acids. Healthy levels mean your liver and muscles are not under stress or injured.
Alkaline Phosphatase (ALP)
Alkaline phosphatase (ALP) is an enzyme that reflects bile flow and liver function. A healthy level indicates proper bone metabolism and that your liver and gallbladder are functioning without signs of stress.
Albumin
Albumin is a protein made by the liver that helps carry hormones, vitamins, and nutrients through the blood. It also helps to keep fluid in your blood vessels.
Total Bilirubin
Bilirubin is a waste product made when old red blood cells break down. Your liver helps remove bilirubin from your blood, so normal levels usually mean your liver is clearing waste efficiently.
Total Protein
Total protein measures the combined levels of albumin and globulin proteins that support fluid balance, hormone and drug transport, and the immune system. Healthy levels mean that your body is currently maintaining a good balance of these important proteins.
Globulin
Globulins are a group of proteins in your blood that include antibodies, which help your body fight infection, and other proteins that carry hormones and nutrients. Healthy levels suggest your immune system and liver are working well.
De Ritis Ratio
This ratio compares aspartate aminotransferase (AST) to alanine transaminase (ALT), two enzymes released when liver or muscle cells are stressed. A normal ratio suggests your liver is functioning well and not showing signs of chronic damage or stress.
Immunity is your body’s readiness to fight infections, respond to allergens, and recover from illness. Different types of white blood cells gauge your overall wellness.
Basophils (absolute count) Advanced plan
Basophils are a type of white blood cell that help your body respond to allergens and fight certain parasites.
Basophils (percentage) Advanced plan
Basophils typically make up less than 1% of your total white blood cells and help trigger allergic responses and fight certain parasites. A healthy percentage means your blood contains the expected proportion of basophils, which are important for normal immune function.
Eosinophils (absolute count) Advanced plan
Eosinophils are a type of white blood cell that help to control allergy-related inflammation and protect against certain parasites. A healthy count means your blood contains the expected number of eosinophils, which are important for normal immune function.
Eosinophils (percentage) Advanced plan
Eosinophils normally make up about 1-4% of your total white blood cells and help your body fight parasites and control allergy-related inflammation. A healthy percentage means your blood contains the expected proportion of eosinophils, which are important for normal immune function.
Lymphocytes (absolute count) Advanced plan
Lymphocytes are a type of white blood cell that play a key role in building long-term immunity by recognizing and attacking viruses. A healthy count means your immune system is equipped to defend against infections and maintain balance.
Lymphocytes (percentage) Advanced plan
Lymphocytes typically make up 20-40% of your total white blood cells and help your body fight viral infections while building long-term immunity. A healthy percentage means your blood contains the expected proportion of lymphocytes, which are important for normal immune function.
Monocytes (absolute count) Advanced plan
Monocytes are a type of white blood cell that help your body defend against bacteria and clean up damaged cells. A healthy count means your immune system is working efficiently to support your healing and protect against infection.
Monocytes (percentage) Advanced plan
Monocytes typically make up about 2-8% of your total white blood cells. They act as your body’s clean-up crew to remove damaged cells and help fight bacterial infections. A healthy percentage means your blood contains the expected proportion of monocytes, which are important for normal immune function.
Neutrophils (absolute count) Advanced plan
Neutrophils are the most common type of white blood cell and act as your body’s first line of defense against bacterial infections. A healthy count means your immune system is well-prepared to respond quickly to infection when needed.
Neutrophils (percentage) Advanced plan
Neutrophils are the most common type of white blood cell, typically making up 50–70% of your total white blood cells. They act as your body’s first line of defense against bacterial infections. A healthy percentage means your blood contains the expected proportion of neutrophils, which are important for normal immune function.
White Blood Cell Count
White blood cells are an essential part of your immune system, helping your body fight infections and support healing. A healthy count means your immune defenses are strong and ready to respond in case infection arises.
Systemic Immune-Inflammation Index (SII)
The systemic immune-inflammation index (SII) combines three key blood markers, platelets, neutrophils, and lymphocytes, to reflect the balance between inflammation and your immune defenses. A healthy SII means your immune system is well-regulated, not under excess inflammatory strain, and ready to defend your body against infection effectively.
Nutrients are the building blocks for your energy, immunity, muscle function, and long-term health. Nutrient levels show if your body is getting what it needs.
B12 Advanced plan
Vitamin B12 supports red blood cell production, nerve health, and energy. Normal levels mean your body has enough supply to regulate your energy needs.
Ferritin Advanced plan
Ferritin is a protein that stores iron in the body, which is essential for oxygen transport. Normal levels mean your body has a healthy reserve to make red blood cells and transport oxygen, supporting energy and cognitive function.
Ferritin/CRP ratio Advanced plan
This ratio compares ferritin, your iron storage protein, with C-reactive protein (CRP), a marker of inflammation. A normal ratio means there is a healthy balance between your iron stores and inflammation.
Folate, RBC Advanced plan
Folate, also known as vitamin B9, supports DNA production and red blood cell formation, and also helps break down homocysteine.
Homocysteine Advanced plan
Homocysteine is an amino acid linked with folate, B12, and B6 metabolism. Healthy levels suggest your body is processing these vitamins effectively.
Iron Advanced plan
Iron helps make hemoglobin, which carries oxygen in the blood. Normal levels of iron support daily energy and focus.
Iron Binding Capacity Advanced plan
This marker measures how well proteins in your blood (like transferrin) can carry iron. Normal levels mean your body is transporting iron effectively.
Iron % Saturation Advanced plan
Iron saturation measures how much iron is bound to transport proteins. Normal levels mean your tissues are getting the oxygen they need.
Magnesium, RBC Advanced plan
Magnesium supports muscle relaxation, heart rhythm, energy production, and bone health. Normal levels suggest your body has what it needs to regulate the muscles and nerves effectively.
Vitamin D Advanced plan
Vitamin D helps absorb calcium, strengthen bones, regulate mood, and support immunity.
Zinc Advanced plan
Zinc supports immune defenses, wound healing, and sense of taste and smell. Healthy levels help to support your immune system.
Carbon Dioxide
Carbon dioxide helps your body maintain acid-base balance in the blood. Healthy levels protect energy and breathing.
Calcium
Calcium supports strong bones, teeth, and steady muscle contractions. Calcium also plays a key role in heart rhythm and nerve signaling.
Chloride
Chloride helps your body maintain fluid balance, stomach acid production, and the right acidity (pH) for enzyme function (chemical reactions in the body).
Potassium
Potassium helps regulate heart rhythm, nerve signals, and muscle contractions. Eating fruits, vegetables, and legumes supports healthy levels.
Sodium
Sodium helps your body balance hydration, blood pressure, and nerve signaling effectively.
Your blood carries oxygen, nutrients, and immune cells throughout your body while removing toxins. Red blood cells and platelet counts are key for cellular function.
Hematocrit
Hematocrit is a test that measures the percentage of your blood that is made up of red blood cells, which carry oxygen throughout your body. Being in the healthy range means your blood cells are successfully transporting oxygen to your tissues to sustain bodily functions.
Hemoglobin
Hemoglobin is the protein inside your red blood cells that carries oxygen to your muscles and brain. Being in the healthy range means your blood cells have what they need to move oxygen to your tissues successfully.
Mean Corpuscular Hemoglobin Concentration (MCHC)
Mean corpuscular hemoglobin concentration (MCHC) measures the average concentration of hemoglobin in your red blood cells, which reflects how effectively they carry oxygen. When MCHC is in the healthy range, it indicates that the body is likely not experiencing any red blood cell disorders or iron deficiency.
Mean Corpuscular Hemoglobin (MCH)
Mean corpuscular hemoglobin (MCH) measures the average amount of hemoglobin in each red blood cell, which shows how well your blood can carry oxygen. A healthy level means your blood has enough hemoglobin for proper oxygen transport.
Mean Corpuscular Volume (MCV)
Mean corpuscular volume (MCV) measures the average volume of your red blood cells, which can help reveal early signs of nutrient deficiencies or other blood conditions.
Mean Platelet Volume (MPV)
Mean platelet volume (MPV) measures the average volume of your blood platelets, which play an essential role in blood clotting. When your MPV is in the healthy range, it suggests that your platelet volume is normal.
Platelet Count
Platelets are the blood cells that help your body form clots, stopping bleeding when needed. A healthy platelet count means your body generally supports normal blood clotting when necessary.
Red Blood Cell Count
Red blood cells are responsible for carrying oxygen throughout your body. Your healthy red blood cell count is helping your organs and tissues function at their best.
Red Cell Distribution Width (RDW)
Red cell distribution width (RDW) measures the variation in the size of your red blood cells, which can help detect early signs of anemia or other blood conditions. A healthy RDW suggests that your red blood cells are uniform and efficiently transporting oxygen throughout your body.
Advanced plan21 factors
Your Biological Age reveals how fast your body is aging from what the calendar shows. Improving key markers linked to longevity could help you get aging on lock.
Biomarkers are measurable indicators found in your blood that signal how well your body is functioning. Each marker’s result is an insight into your health—from heart and metabolism to hormone and nutrient levels, even inflammation and stress. Test these markers over time to catch potential health concerns early, track progress, and take action to try to improve them.
Annual physicals measure a handful of basic markers. Our Advanced plan goes 10x further to give you a detailed picture of your health. Testing up to 120 biomarkers in two panels a year gives you a clear understanding of how your body is functioning today—and where you can aim to take your health tomorrow.
Find your baseline with 120 biomarker tests, then plan for your health breakthrough.