Albumin
g/LThe main protein your liver makes, holding fluid inside your blood vessels.
Why it matters
A good measure of longer-term liver function and nutritional state.
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What's measured
Every marker below is read against optimal ranges — not just the lab reference band — and explained by a clinician on your results call.
The main protein your liver makes, holding fluid inside your blood vessels.
Why it matters
A good measure of longer-term liver function and nutritional state.
All testosterone in your blood, both bound and unbound.
Why it matters
The standard first measurement, though much of it is bound and unavailable to your cells.
The unbound testosterone your body can actually use.
Why it matters
Often the more meaningful number — total testosterone can look normal while the usable fraction is low.
The pituitary hormone best known for milk production.
Why it matters
Raised levels disrupt periods, fertility and libido in both sexes, and are usually correctable.
The ratio of total testosterone to SHBG, estimating active androgen.
Why it matters
A key calculation in assessing PCOS and androgen excess in women.
The protein that binds sex hormones and controls how much is free.
Why it matters
Explains a normal total testosterone with low free testosterone, and shifts with insulin resistance and thyroid function.
The cholesterol carried by low-density lipoproteins, the particles that deposit cholesterol into artery walls.
Why it matters
LDL is the single most modifiable driver of heart disease. Lowering it years before symptoms is one of the most effective things you can do.
Total cholesterol minus HDL — everything left that can contribute to plaque.
Why it matters
A better predictor of cardiovascular risk than LDL alone, because it captures every artery-damaging particle in one number.
The cholesterol carried by high-density lipoproteins, which transport it away from the arteries back to the liver.
Why it matters
Higher is generally protective. A low HDL alongside high triglycerides often points to insulin resistance rather than diet alone.
The total amount of cholesterol carried in your blood, combining the LDL, HDL and other fractions.
Why it matters
On its own it is a blunt number — the split between LDL and HDL matters far more, which is why we always read it alongside them.
Your total cholesterol divided by your HDL, expressing the balance between the two.
Why it matters
A cleaner risk signal than either number alone, and one of the values most responsive to changes in diet and activity.
The main form of fat circulating in your blood, mostly from what you eat and what your liver produces.
Why it matters
Raised triglycerides are an early sign that your body is struggling to handle sugar and refined carbohydrate — often before glucose looks abnormal.
The unbound, available form of thyroxine — your thyroid's main circulating hormone.
Why it matters
Read with TSH, it separates a thyroid that is failing from a pituitary signalling problem.
The active thyroid hormone your cells actually use to set metabolic rate.
Why it matters
Explains why some people feel hypothyroid despite normal TSH — conversion from T4 to T3 can be impaired.
The pituitary's signal telling your thyroid how much hormone to produce.
Why it matters
The most sensitive early marker of thyroid trouble. TSH shifts before T4 and T3 do, and before most people notice symptoms.
Your average blood sugar over the past two to three months, measured on your red blood cells.
Why it matters
Unlike a single glucose reading, this cannot be gamed by fasting. It is the standard for diagnosing and tracking diabetes.