Explore Tests

Your biomarkers, decoded.

Over 100 markers across thyroid, lipids, hormones, cardiometabolic health, vitamins, iron and organ function — each with what it affects, an optimal target and the standard reference range.

Interactive Body Systems

Your System Health.


Explore all eleven vital organ systems. Click a system in the list or tap it directly on the body to light it up and see how its biomarkers are trending. (Counts shown are sample values.)

nervousendocrinerespiratorycardiovasculardigestiveurinaryreproductiveimmuneskeletalmuscularintegumentary
OptimalBorderlineWarning
Full marker library

Every marker, explained.


๐Ÿฆ‹Thyroid


โ—†TSHAffects: Thyroid-stimulating hormone+

The master signal from the pituitary that tells the thyroid how much hormone to make. High TSH suggests an underactive thyroid; low TSH suggests an overactive one.

Optimal
0.5โ€“2.5 mIU/L
Standard reference
0.45โ€“4.5 mIU/L
โ—†Free T4Affects: Metabolism, energy+

The main circulating thyroid hormone reservoir, converted to active T3 in tissues. Reflects overall thyroid output.

Optimal
1.0โ€“1.5 ng/dL
Standard reference
0.8โ€“1.8 ng/dL
โ—†Free T3Affects: Energy, temperature, weight+

The biologically active thyroid hormone that drives metabolic rate at the cellular level.

Optimal
3.0โ€“4.0 pg/mL
Standard reference
2.3โ€“4.2 pg/mL
โ—†Total T3Affects: Metabolic activity+

Total triiodothyronine, useful alongside free hormones when evaluating thyroid function.

Optimal
100โ€“180 ng/dL
Standard reference
80โ€“200 ng/dL
โ—†Total T4Affects: Thyroid reserve+

Total thyroxine bound and free, a broad measure of thyroid hormone production.

Optimal
6โ€“10 ยตg/dL
Standard reference
4.5โ€“12 ยตg/dL
โ—†ThyroglobulinAffects: Thyroid tissue marker+

A protein made only by thyroid cells; used to monitor certain thyroid conditions and follow thyroid cancer after treatment.

Optimal
3โ€“40 ng/mL
Standard reference
1.5โ€“55 ng/mL
โ—†TPO AntibodiesAffects: Autoimmune thyroid+

Thyroid peroxidase antibodies flag autoimmune thyroid disease such as Hashimoto’s or Graves’.

Optimal
< 9 IU/mL
Standard reference
0โ€“34 IU/mL
โ—†Reverse T3Affects: Stress metabolism+

An inactive form of T3 that rises under stress or illness and can blunt thyroid signaling.

Optimal
11โ€“18 ng/dL
Standard reference
8โ€“25 ng/dL

๐Ÿซ€Lipids & Cholesterol


โ—†Total CholesterolAffects: Heart health+

The sum of all cholesterol in the blood; context matters more than the single number.

Optimal
150โ€“200 mg/dL
Standard reference
< 200 mg/dL
โ—†LDL CholesterolAffects: Plaque risk+

“Low-density” cholesterol that can deposit in artery walls; a primary target for cardiovascular risk reduction.

Optimal
< 100 mg/dL
Standard reference
< 130 mg/dL
โ—†HDL CholesterolAffects: Cardio-protective+

“High-density” cholesterol that helps clear cholesterol from arteries; higher is generally better.

Optimal
> 60 mg/dL
Standard reference
> 40 mg/dL
โ—†TriglyceridesAffects: Metabolic health+

Circulating fat used for energy; elevated levels track with insulin resistance and cardiovascular risk.

Optimal
< 90 mg/dL
Standard reference
< 150 mg/dL
โ—†ApoBAffects: Atherogenic particles+

Counts the number of cholesterol-carrying particles that can enter artery walls โ€” a refined risk marker.

Optimal
< 80 mg/dL
Standard reference
< 100 mg/dL
โ—†Lipoprotein(a)Affects: Inherited risk+

A largely genetic particle that independently raises cardiovascular risk; measured at least once in a lifetime.

Optimal
< 30 mg/dL
Standard reference
< 50 mg/dL
โ—†Non-HDL CholesterolAffects: Total atherogenic load+

All cholesterol except HDL โ€” captures every particle that contributes to plaque.

Optimal
< 130 mg/dL
Standard reference
< 160 mg/dL

โš–๏ธHormones


โ—†Total TestosteroneAffects: Libido, muscle, mood+

The full amount of testosterone in circulation, bound and free; central to energy, muscle and sexual health.

Optimal
500โ€“900 ng/dL (M)
Standard reference
264โ€“916 ng/dL
โ—†Free TestosteroneAffects: Active androgen+

The unbound fraction available to tissues โ€” often more informative than total when symptoms are present.

Optimal
9โ€“25 pg/mL
Standard reference
Varies by age/sex
โ—†SHBGAffects: Hormone availability+

Sex hormone-binding globulin controls how much testosterone and estrogen are free and active.

Optimal
20โ€“60 nmol/L
Standard reference
10โ€“80 nmol/L
โ—†EstradiolAffects: Reproductive & bone health+

The principal estrogen; important in both women and men for bone, mood and cardiovascular health.

Optimal
20โ€“40 pg/mL (M)
Standard reference
Varies by cycle/sex
โ—†ProgesteroneAffects: Cycle & pregnancy+

Balances estrogen and supports the menstrual cycle and early pregnancy.

Optimal
Luteal 5โ€“20 ng/mL
Standard reference
Varies by cycle
โ—†DHEA-SAffects: Adrenal reserve+

An adrenal precursor hormone that reflects adrenal output and declines with age.

Optimal
150โ€“350 ยตg/dL
Standard reference
35โ€“560 ยตg/dL
โ—†FSHAffects: Reproductive signaling+

Follicle-stimulating hormone drives egg and sperm production; helps assess fertility and menopause.

Optimal
1.5โ€“12 mIU/mL
Standard reference
Varies by sex/phase
โ—†LHAffects: Ovulation & testosterone+

Luteinizing hormone triggers ovulation and testosterone production.

Optimal
1.7โ€“8 mIU/mL
Standard reference
Varies by sex/phase
โ—†ProlactinAffects: Lactation, libido+

Elevated levels can disrupt cycles, fertility and libido in both sexes.

Optimal
< 15 ng/mL
Standard reference
2โ€“18 ng/mL
โ—†Cortisol (AM)Affects: Stress & energy+

The primary stress hormone, highest in the morning; reflects adrenal rhythm.

Optimal
10โ€“18 ยตg/dL
Standard reference
6โ€“23 ยตg/dL

๐ŸฉธCardiometabolic


โ—†Glucose (Fasting)Affects: Blood sugar+

A snapshot of fasting blood sugar and a first screen for diabetes risk.

Optimal
70โ€“90 mg/dL
Standard reference
70โ€“99 mg/dL
โ—†Hemoglobin A1cAffects: 3-month glucose+

Average blood sugar over roughly three months โ€” the standard for diagnosing and monitoring diabetes.

Optimal
< 5.4 %
Standard reference
< 5.7 %
โ—†Insulin (Fasting)Affects: Metabolic health+

Reveals insulin resistance often years before glucose rises.

Optimal
2โ€“6 ยตIU/mL
Standard reference
2.6โ€“24.9 ยตIU/mL
โ—†hs-CRPAffects: Inflammation+

High-sensitivity C-reactive protein measures low-grade inflammation linked to cardiovascular risk.

Optimal
< 1.0 mg/L
Standard reference
< 3.0 mg/L
โ—†HomocysteineAffects: Vascular & brain+

An amino acid that, when elevated, raises cardiovascular and cognitive risk; responsive to B-vitamins.

Optimal
< 9 ยตmol/L
Standard reference
< 15 ยตmol/L
โ—†HOMA-IRAffects: Insulin resistance+

A calculated index from glucose and insulin that quantifies insulin resistance.

Optimal
< 1.5
Standard reference
< 2.0

๐ŸŒฟVitamins & Nutrients


โ—†Vitamin D (25-OH)Affects: Immunity & bone+

Central to bone strength, immune function and mood; commonly low without supplementation.

Optimal
40โ€“60 ng/mL
Standard reference
30โ€“100 ng/mL
โ—†Vitamin B12Affects: Nerve & blood+

Essential for red blood cells and nerve function; deficiency causes fatigue and numbness.

Optimal
500โ€“900 pg/mL
Standard reference
200โ€“1100 pg/mL
โ—†FolateAffects: Cell & DNA+

Works with B12 for cell division and healthy red blood cells; vital in pregnancy.

Optimal
> 10 ng/mL
Standard reference
> 3 ng/mL
โ—†MagnesiumAffects: Muscle & nerve+

A cofactor in hundreds of reactions affecting muscles, nerves, sleep and heart rhythm.

Optimal
2.0โ€“2.4 mg/dL
Standard reference
1.7โ€“2.4 mg/dL

๐ŸงฒIron Status


โ—†FerritinAffects: Iron stores+

The body’s stored-iron gauge; low ferritin is the earliest sign of iron deficiency.

Optimal
50โ€“150 ng/mL
Standard reference
30โ€“400 ng/mL
โ—†Iron (Serum)Affects: Circulating iron+

The amount of iron currently in the blood, interpreted alongside TIBC and ferritin.

Optimal
60โ€“150 ยตg/dL
Standard reference
50โ€“170 ยตg/dL
โ—†TIBCAffects: Iron transport capacity+

Total iron-binding capacity reflects how much transport protein is available; rises in deficiency.

Optimal
250โ€“370 ยตg/dL
Standard reference
240โ€“450 ยตg/dL
โ—†Transferrin SaturationAffects: Iron balance+

The percentage of transport protein carrying iron; low values confirm deficiency, high values suggest overload.

Optimal
25โ€“40 %
Standard reference
15โ€“50 %

๐ŸงชMetabolic & Organ (CMP)


โ—†CreatinineAffects: Kidney function+

A muscle-breakdown product cleared by the kidneys; used to estimate filtration.

Optimal
0.7โ€“1.1 mg/dL
Standard reference
0.6โ€“1.3 mg/dL
โ—†eGFRAffects: Kidney filtration+

An estimate of how well the kidneys filter blood.

Optimal
> 90 mL/min
Standard reference
> 60 mL/min
โ—†BUNAffects: Kidney & hydration+

Blood urea nitrogen reflects kidney function and hydration status.

Optimal
8โ€“18 mg/dL
Standard reference
7โ€“20 mg/dL
โ—†ALTAffects: Liver health+

An enzyme that rises when liver cells are stressed or damaged.

Optimal
< 25 U/L
Standard reference
7โ€“56 U/L
โ—†ASTAffects: Liver & muscle+

An enzyme found in liver and muscle; interpreted with ALT.

Optimal
< 25 U/L
Standard reference
10โ€“40 U/L
โ—†AlbuminAffects: Nutrition & liver+

The main blood protein; reflects liver synthesis and nutritional status.

Optimal
4.0โ€“5.0 g/dL
Standard reference
3.5โ€“5.0 g/dL
โ—†CalciumAffects: Bone & nerve+

Tightly regulated mineral essential to bone, muscle and nerve function.

Optimal
9.0โ€“10.0 mg/dL
Standard reference
8.5โ€“10.5 mg/dL
โ—†SodiumAffects: Fluid balance+

A key electrolyte governing fluid balance and nerve signaling.

Optimal
138โ€“142 mmol/L
Standard reference
135โ€“145 mmol/L
โ—†PotassiumAffects: Heart rhythm+

An electrolyte critical to heart and muscle function.

Optimal
4.0โ€“4.5 mmol/L
Standard reference
3.5โ€“5.1 mmol/L

๐Ÿ”ฌComplete Blood Count


โ—†WBCAffects: Immune activity+

White blood cell count; rises with infection and inflammation.

Optimal
4.5โ€“7.5 ร—10โน/L
Standard reference
4.0โ€“11.0 ร—10โน/L
โ—†RBCAffects: Oxygen delivery+

Red blood cell count; part of assessing anemia or polycythemia.

Optimal
4.5โ€“5.5 ร—10ยนยฒ/L
Standard reference
4.2โ€“5.9 ร—10ยนยฒ/L
โ—†HemoglobinAffects: Oxygen carrying+

The oxygen-carrying protein in red cells; low values indicate anemia.

Optimal
13.5โ€“15.5 g/dL
Standard reference
12โ€“17 g/dL
โ—†HematocritAffects: Blood concentration+

The proportion of blood made up of red cells.

Optimal
40โ€“48 %
Standard reference
36โ€“50 %
โ—†PlateletsAffects: Clotting+

Cell fragments essential for clotting and wound healing.

Optimal
200โ€“350 ร—10โน/L
Standard reference
150โ€“400 ร—10โน/L
โ—†MCVAffects: Red-cell size+

Average red-cell size; helps classify the cause of anemia.

Optimal
85โ€“92 fL
Standard reference
80โ€“100 fL

Test the markers that matter.


Build your picture with an at-home panel or a reference-grade venous draw.

Book Appointment