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Trusted to do 100,000+ tests and consultations per month.
Trusted to do 100,000+ tests and consultations per month.
Most popular

OUR MOST POPULAR BLOOD TESTS

Hi, I am Gabby Logan, a Health Ambassador for One Day Tests. Let's get the nation testing!

FIND YOUR BLOOD TEST

ULTIMATE PERFORMANCE TEST

This is the true Best Seller of our range. An ultimate screen for continuous monitoring or as a baseline. Covers everything you need for a full body MOT.

57 BIOMARKERS
1-2 DAYS
£190.00 £180.00
SAVE 5%
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TESTOSTERONE TEST

The measure of testosterone can help diagnose conditions such as hypogonadism, infertility, and certain types of hormonal imbalances.

1 BIOMARKER
1-2 DAYS
£34.00 £19.00
SAVE 44%
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ULTIMATE LONGEVITY TEST

The largest and most complex test we do. One test to rule them all that covers everything you need.

71 BIOMARKERS
1-2 DAYS
£290.00 + CLINIC FEE View test

CHOLESTEROL TEST

This is an ideal test for monitoring your cardiac state by measuring your 'bad' (i.e. LDL) and your 'good' (i.e. HDL) cholesterol levels - as well as the all-important total cholesterol/HDL ratio: which is essential for accurately assessing your cardio risks.

6 BIOMARKERS
1-2 DAYS
£37.00 £29.50
SAVE 20%
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LIVER FUNCTION TEST

Measure the range of liver enzymes, proteins, and bilirubin to give you a comprehensive view of how well your liver is functioning.

8 BIOMARKERS
1-2 DAYS
£45.00 View test

FULL BLOOD COUNT (FBC/CBC) TEST

The first step in identifying potential health issues and monitoring and diagnosing disease. Abnormal FBC results can be indicators of anaemia, infections or blood disorders.

15 BIOMARKERS
1-2 DAYS
£65.00 View test

FEMALE HORMONE TEST

Take this test to assess your levels of crucial female hormones, as well as thyroid hormones, which play a role in regulating fertility, mood and energy.

11 BIOMARKERS
1-2 DAYS
£75.00 £65.00
SAVE 13%
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ULTIMATE THYROID FUNCTION TEST

The all-in-one thyroid function test, covering all the thyroid markers including antibodies, for a full monitoring picture.

10 BIOMARKERS
1-3 DAYS
£89.00 View test

THYROID FUNCTION TEST

A perfect test for symptoms such as weight gain, fatigue, or hair loss, as well as a family history of thyroid disorders.

3 BIOMARKERS
1-2 DAYS
£49.00 View test

ULTIMATE HEALTHY WOMAN TEST

Designed for health conscious women who believe in proactive health management, this test is an ideal annual health review.

47 BIOMARKERS
1-2 DAYS
£135.00 View test

OESTRADIOL TEST (ESTROGEN)

This test measures the total level of estrogen in the blood, the sex hormone responsible for the development and regulation of the female reproductive system.

1 BIOMARKER
1-2 DAYS
£45.00 View test

ULTIMATE TESTOSTERONE TEST

Ultimate Testosterone measures both Free and Total Testosterone as well as a few more vital markers.

6 BIOMARKERS
1-2 DAYS
£45.00 View test

ULTIMATE PROSTATE CHECK (PSA) TEST

Free and Total PSA measurement to help screen for prostate cancer and monitor prostate health. Perfect test to combine with full body MOT.

3 BIOMARKERS
3 DAYS
£95.00 View test

ULTIMATE HEALTHY MAN TEST

Designed for health conscious men who believe in proactive health management, this test is an ideal annual health review.

45 BIOMARKERS
1-2 DAYS
£135.00 View test

MALE HORMONES TEST

A comprehensive hormone profile to help men gain valuable hormonal insights in measuring key hormones like testosterone, DHEA, LH and FSH.

10 BIOMARKERS
1-2 DAYS
£90.00 £80.00
SAVE 11%
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ADVANCED LIVER FUNCTION TEST

This is our advanced test to give you a more complete picture of your liver function, including a Full Blood Count.

23 BIOMARKERS
1-2 DAYS
£69.00 View test

ESSENTIAL ALL SYSTEMS TEST

This is a basic MOT test for those suffering with fatigue, loss of appetite or stomach pains. It covers a full blood count, kidney and liver function, electrolytes, immunoglobulin study and CRP (inflammation).

34 BIOMARKERS
1-2 DAYS
£129.00 £109.00
SAVE 15%
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KIDNEY FUNCTION TEST

The kidney blood test is one of the most commonly performed tests by doctors and will let you know how well your kidneys are working. Kidney disease can cause abdominal symptoms such as loss of appetite or nausea.

4 BIOMARKERS
1-2 DAYS
£45.00 View test

FEMALE HAIR LOSS TEST

Take this test to investigate potential causes of hair thinning or loss in women including hormone imbalance, thyroid problems, low vitamin B12 and iron deficiency.

25 BIOMARKERS
1-2 DAYS
£79.00 £69.00
SAVE 12%
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TIRED ALL THE TIME TEST

Tiredness is a very common complaint. Often it is a result of busy and stressful lifestyles, but it may be a symptom of a number of medical conditions.

36 BIOMARKERS
1-2 DAYS
£99.00 View test

ULTIMATE TRT TEST

A test for testosterone replacement therapy or who are on testosterone replacement and need to have their treatment monitored.

42 BIOMARKERS
1-2 DAYS
£145.00 View test

RHEUMATOID FACTOR (RF) TEST

A test to detect the presence of antibodies produced by the immune system that can attack healthy tissues, commonly associated with rheumatoid arthritis and other autoimmune disorders.

1 BIOMARKER
1-2 DAYS
£55.00 View test

ULTIMATE FEMALE FERTILITY TEST

In this test we look at all of the biomarkers that are important for healthy ovulation, conception and sustainment of pregnancy, and to help you find any problems that are affecting your reproductive success.

50 BIOMARKERS
1-4 DAYS
£190.00 View test

ADVANCED KIDNEY (RENAL) FUNCTION TEST

Get a full picture of your kidney function, including electrolytes levels with our 8 checkpoints test for quick piece of mind.

8 BIOMARKERS
1-2 DAYS
£99.00 View test

ACCUTANE SKIN TREATMENT TEST

This test has been specifically developed to help people on acne treatment plan, for the Accutane medicine.

34 BIOMARKERS
1-2 DAYS
£85.00 View test

THYROID ANTIBODIES TEST

This blood test detects the presence of antibodies that target thyroid proteins, such as thyroglobulin and thyroid peroxidase (TPO), indicating autoimmune thyroid diseases.

2 BIOMARKERS
3 DAYS
£49.00 View test

SPORTS AND FITNESS TEST

Our sports and fitness panel is designed to ensure that you are able to train and perform at your best. Ideal for continuous monitoring or getting a baseline.

15 BIOMARKERS
1-2 DAYS
£75.00 View test

TOTAL PSA TEST

Total PSA measurement to help screen for prostate cancer and monitor prostate health. Perfect test to combine with full body MOT.

1 BIOMARKER
3 DAYS
£64.00 View test

OZEMPIC, WEGOVY AND MOUNJARO TEST

This test has been specifically developed to help people on weight loss medication, such as Wegovy or Ozempic.

34 BIOMARKERS
1-2 DAYS
£139.00 View test

FEMALE FERTILITY INSIGHTS TEST

A comprehensive blood test that explores the potential causes of difficulty conceiving, including hormonal problems that can affect fertility.

10 BIOMARKERS
1-2 DAYS (5 DAYS FOR AMH)
£140.00 View test

DHT (TESTICULAR FUNCTION OR ALOPECIA) TEST

Take this test to measure the concentration of dihydrotestosterone (DHT) in your blood - the male hormone related to male pattern baldness and prostate, among others.

1 BIOMARKER
15 DAYS
£95.00 View test

FEMALE WEIGHT MANAGEMENT TEST

Take this test to assess potential causes related to weight gain such as diabetes, cortisol and testosterone levels and thyroid, liver and kidney function.

22 BIOMARKERS
1-2 DAYS
£125.00 View test

ACHES AND PAINS TEST

This test has been specifically developed by our clinical team to help people suffering from joint and muscle pains.

26 BIOMARKERS
1-2 DAYS
£149.00 View test

DAY 3 FERTILITY TEST

This tests for 3 key hormones: follicle stimulating hormone (FSH), luteinising hormone (LH), and oestrogen (oestradiol) - and is taken between day 2-4 of your cycle to provide a "baseline" reading of your hormone levels to provide an indication of your ovarian reserve.

3 BIOMARKERS
1-2 DAYS
£48.00 View test

HEALTHY LIFESTYLE TEST

Gain insights into your organ function, nutrition, heart health, and diabetes risk so you can make informed lifestyle choices.

19 BIOMARKERS
1-2 DAYS
£89.00 View test

MENOPAUSE TEST

Quick and basic menopausal insights test to form a baseline for your hormonal status. Menopause is a natural biological process that marks the end of a woman's reproductive years.

5 BIOMARKERS
1-2 DAYS
£64.00 View test

LUTEINIZING HORMONE (LH) TEST

A test to monitor luteinizing hormone levels that are needed to support pregnancy. In both males and females, LH plays a crucial role in regulating reproductive functions.

1 BIOMARKER
1-2 DAYS
£29.00 View test

MALE HAIR LOSS TEST

Investigate potential causes of hair thinning or loss in men including hormone imbalance, thyroid problems, low vitamin B12 and iron deficiency.

22 BIOMARKERS
1-2 DAYS
£79.00 £69.00
SAVE 12%
View test

LEAD LEVELS TEST

Measure the concentration of lead in the bloodstream. Important for people who may have been exposed to lead in their work or living environment.

1 BIOMARKER
10 DAYS
£140.00 View test

FOLLICLE STIMULATING HORMONE (FSH) TEST

This test measures the total level of FSH in the blood, the hormone responsible for growth and maturation of ovarian follicles, which are structures that contain and nurture the developing eggs (oocytes).

1 BIOMARKER
1-2 DAYS
£45.00 View test

NEW YEAR RESOLUTION TEST

Fancy a change? A baseline reading of your state of health so that you can then monitor the progress you make with your new lifestyle.

20 BIOMARKERS
1-2 DAYS
£68.00 View test

ABDOMINAL PAIN TEST

This test has been specifically developed to help people suffering with symptoms such as frequent diarrhoea, constipation, abdominal discomfort and bloating.

30 BIOMARKERS
1-2 DAYS
£129.00 View test

ULTIMATE MALE FERTILITY TEST

In this test we look at all of the biomarkers that are important for healthy sperm production and help you find any problems that are affecting your reproductive success.

49 BIOMARKERS
3 DAYS
£190.00 View test

ADVANCED METABOLIC PANEL TEST

This panel checks for the balance of electrolytes in your blood as well as blood glucose levels, kidney function and liver performance.

15 BIOMARKERS
1-2 DAYS
£89.00 View test

ULTIMATE PCOS TEST

Discovering hormonal imbalances early is key to managing PCOS effectively. This is the test to get you started quickly.

25 BIOMARKERS
1-2 DAYS
£199.00 View test

PRENATALSAFE 5 NIPT TEST

PrenatalSafe NIPT 5 - Non-Invasive Prenatal Testing 5, available from 10 Weeks.

7 BIOMARKERS
4-6 DAYS
£315.00 + CLINIC FEE View test

FREE PSA TEST

Free PSA measurement to help screen for prostate cancer and monitor prostate health. Perfect test to combine with full body MOT.

1 BIOMARKER
3 DAYS
£64.00 View test

PRENATALSAFE 3 NIPT TEST

PrenatalSafe NIPT 3 - Non-Invasive Prenatal Testing 3 from 10 Weeks.

4 BIOMARKERS
4-6 DAYS
£275.00 + CLINIC FEE View test

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