Tools to make sense of your numbers.

Answer a few questions about your goals and we will recommend the right panel for you.

For anyone unsure which panel fits their goals.

A free four-week plan built from a three-minute quiz, before any blood is drawn.

For anyone who wants a starting point today.

Enter your total testosterone and SHBG to see your calculated free and bioavailable testosterone.

For men who already have a testosterone result and want the free fraction.

Find the days in your cycle when FSH, LH, oestradiol and progesterone read most reliably.

For women planning a hormone test around their cycle.

See where your total testosterone sits against the typical UK range for your age.

For men with a testosterone result who want age context.

Convert a testosterone result between nmol/L and ng/dL instantly.

For anyone converting a testosterone result between units.

Convert a vitamin D result between nmol/L (UK) and ng/mL (US) instantly.

For anyone converting a vitamin D result between units.

Convert an oestradiol (estradiol) result between pmol/L (UK) and pg/mL (US) instantly.

For anyone converting an oestradiol result between units.

Convert a vitamin B12 result between ng/L (UK) and pmol/L instantly.

For anyone converting a vitamin B12 result between units.

Convert total, HDL or LDL cholesterol between mmol/L (UK) and mg/dL (US).

For anyone converting a cholesterol result between units.

Convert triglycerides between mmol/L (UK) and mg/dL (US) instantly.

For anyone converting a triglyceride result between units.

Convert blood glucose between mmol/L (UK) and mg/dL (US) instantly.

For anyone converting a blood sugar reading between units.

Convert HbA1c between % (DCCT) and mmol/mol (IFCC), with estimated average glucose.

For anyone with an HbA1c in one unit who needs the other.

Estimate your biological age from nine routine blood markers using the published Levine PhenoAge formula.

For anyone with a full blood panel who wants their phenotypic age.

Enter your cholesterol numbers to see your non-HDL and TC:HDL ratio against UK targets.

For anyone with an NHS cholesterol result who wants the full picture.

Enter your total testosterone and SHBG to calculate your Free Androgen Index (FAI).

For anyone with a testosterone and SHBG result who wants their FAI.

Enter your serum iron and TIBC to calculate your transferrin saturation (TSAT).

For anyone with serum iron and TIBC results who wants their TSAT.

Enter your fasting glucose and fasting insulin to calculate your HOMA-IR insulin-resistance index.

For anyone with a fasting glucose and fasting insulin result.

Enter your triglycerides and HDL to see your TG:HDL ratio against research context bands.

For anyone with a triglycerides and HDL result who wants the ratio.