Better2Know vs Forth
Of the 51 markers both sell, Better2Know's cheapest test is cheaper for 15 and Forth's for 36, all-in. Prices checked 29 October 2026.
Better for
TRT and hormone monitoring
Forth
Better2Know: Erectile Disfunction / Impotence Profile: £395.00 all-in, covers 4 of 10
Forth: Ultimate Health Check: £444.00 all-in, covers 7 of 10
Menopause hormones
Forth
Better2Know: Menopause Screen: £225.00 all-in
Forth: Female Hormone Imbalance Test: £134.00 all-in
Thyroid function
Forth
Better2Know: Comprehensive Thyroid Test: £195.00 all-in
Forth: Thyroid Blood Test: £50.00 all-in
Iron profile
Better2Know
Better2Know: Iron: £75.00 all-in
Forth: Ferritin Blood Test: £41.00 all-in, covers 1 of 4
Lipids, liver and kidney
Better2Know
Better2Know: Comprehensive Biochemistry and Haematology Profile: £195.00 all-in, covers 13 of 16
Forth: Ultimate Health Check: £444.00 all-in, covers 11 of 16
Vitamins, iron and thyroid
Forth
Better2Know: Senior Female Wellness Screen: £499.00 all-in, covers 5 of 10
Forth: Advanced Energy Blood Test: £182.00 all-in, covers 7 of 10
Full lifter MOT
Forth
Better2Know: Well Man Screen: £145.00 all-in, covers 23 of 37
Forth: Ultimate Health Check: £444.00 all-in, covers 25 of 37
The cheaper single test covering every marker in the preset, or, when neither has one, the test covering more of it. Combinations across providers can be cheaper: the tool finds them.
At a glance
| Better2Know | Forth | |
|---|---|---|
| Tests we compare | 221 | 35 |
| Usual turnaround | 1-5 working days | 2 working days |
| Trustpilot (via Head-to-Head) | ★ 4.2 (775) | ★ 4.1 (8,500) |
| Finger-prick kit at home | Included | Included |
| Blood draw at a partner clinic | Included | +£45.00 |
| Blood draw by a nurse at home | Included | +£59.00 |
| Home sample kit (urine, swab or stool) | Included | Included |
| Home collection device (Tasso+, AutoDraw and similar) | Not offered | +£20.00 |
Markers both sell
Each side's cheapest test that reports the marker, all-in on the marker's usual route, before any code.
| Marker | Better2Know | Forth |
|---|---|---|
| Alanine aminotransferase (ALT) | £145.00 Well Man Screen | £49.00 Kidney Function Blood Test |
| Albumin | £145.00 Well Man Screen | £49.00 Kidney Function Blood Test |
| Alkaline phosphatase (ALP) | £145.00 Well Man Screen | £49.00 Kidney Function Blood Test |
| Anti-Müllerian hormone (AMH) | £250.00 Antimullerian Hormone | £144.00 AMH (Anti-Mullerian Hormone) Test |
| Apolipoprotein A1 (ApoA1) | £195.00 Apolipoprotein A1 | £89.00 Advanced Cholesterol Test |
| Apolipoprotein B (ApoB) | £195.00 Apolipoprotein B (ApoB) | £89.00 Advanced Cholesterol Test |
| C-reactive protein (CRP) | £39.00 Heart Disease and Inflammation (HS CRP) | £41.00 CRP Blood Test (hs-CRP) |
| Chlamydia | £35.00 Chlamydia | £79.00 Standard STI Test Kit |
| Chloride | £145.00 Well Man Screen | £444.00 Ultimate Health Check |
| Cortisol | £55.00 Cortisol | £86.00 Cortisol Home Blood Test Kit |
| Creatine kinase (CK) | £145.00 Well Man Screen | £135.00 Baseline Blood Test |
| Creatinine | £145.00 Well Man Screen | £49.00 Kidney Function Blood Test |
| eGFR | £195.00 Comprehensive Biochemistry and Haematology Profile | £49.00 Kidney Function Blood Test |
| Ferritin | £75.00 Iron | £41.00 Ferritin Blood Test |
| Folate | £99.00 Folate - Serum | £119.00 Anaemia Blood Test |
| Follicle stimulating hormone (FSH) | £150.00 Female Hormones Screen | £134.00 Female Hormone Imbalance Test |
| Free androgen index (FAI) | £395.00 Erectile Disfunction / Impotence Profile | £134.00 Female Hormone Imbalance Test |
| Free thyroxine (free T4) | £145.00 Well Man Screen | £50.00 Thyroid Blood Test |
| Free triiodothyronine (free T3) | £195.00 Comprehensive Thyroid Test | £50.00 Thyroid Blood Test |
| Gamma-glutamyl transferase (GGT) | £145.00 Well Man Screen | £49.00 Kidney Function Blood Test |
| Globulin | £195.00 Comprehensive Biochemistry and Haematology Profile | £49.00 Kidney Function Blood Test |
| Gonorrhoea | £45.00 Chlamydia and Gonorrhoea | £79.00 Standard STI Test Kit |
| Haemoglobin | £135.00 Haemoglobin | £143.00 Immune System Blood Test |
| HbA1c | £49.00 Diabetes | £46.00 HbA1c Blood Test |
| HDL cholesterol | £55.00 Heart Health Screen | £76.00 Heart Health Blood Test |
| High-sensitivity CRP (hs-CRP) | £39.00 Heart Disease and Inflammation (HS CRP) | £41.00 CRP Blood Test (hs-CRP) |
| LDL cholesterol | £55.00 Heart Health Screen | £76.00 Heart Health Blood Test |
| Lipoprotein(a) | £195.00 Lipoprotein (a) | £89.00 Advanced Cholesterol Test |
| Luteinising hormone (LH) | £150.00 Female Hormones Screen | £134.00 Female Hormone Imbalance Test |
| Magnesium (serum) | £395.00 Post Travel Screen | £45.00 Magnesium (Serum) Blood Test |
| Oestradiol | £150.00 Female Hormones Screen | £85.00 Oestradiol Blood Test |
| Progesterone | £175.00 Progesterone | £89.00 Progesterone Blood Test |
| Prolactin | £135.00 Prolactin | £134.00 Female Hormone Imbalance Test |
| PSA (total) | £75.00 Prostate Test (Total PSA) | £49.00 PSA Test |
| Red blood cell count | £135.00 Full Blood Count | £143.00 Immune System Blood Test |
| Sex hormone binding globulin (SHBG) | £175.00 Sex Hormone Binding Globulin | £134.00 Female Hormone Imbalance Test |
| Sodium | £145.00 Well Man Screen | £444.00 Ultimate Health Check |
| Syphilis antibodies | £89.00 Peace of Mind | £79.00 Standard STI Test Kit |
| Testosterone (total) | £135.00 Testosterone | £74.00 Testosterone Blood Test |
| Thyroglobulin antibodies | £195.00 Comprehensive Thyroid Test | £69.00 Advanced Thyroid Home Blood Test Kit |
| Thyroid peroxidase antibodies (TPO) | £195.00 Thyroid Peroxidase antibodies | £69.00 Advanced Thyroid Home Blood Test Kit |
| Thyroid stimulating hormone (TSH) | £145.00 Well Man Screen | £50.00 Thyroid Blood Test |
| Total cholesterol | £39.00 Cholesterol | £76.00 Heart Health Blood Test |
| Total protein | £145.00 Well Man Screen | £49.00 Kidney Function Blood Test |
| Triglycerides | £55.00 Heart Health Screen | £76.00 Heart Health Blood Test |
| Urea | £145.00 Blood Urea Nitrogen | £49.00 Kidney Function Blood Test |
| Uric acid (urate) | £145.00 Uric Acid | £49.00 Kidney Function Blood Test |
| Vitamin A (retinol) | £495.00 Vitamin Basic Screen | £444.00 Ultimate Health Check |
| Vitamin D (25-OH) | £55.00 Vitamin D | £50.00 Vitamin D Blood Test |
| Vitamin E (alpha-tocopherol) | £495.00 Vitamin Basic Screen | £444.00 Ultimate Health Check |
| White blood cell count | £135.00 Full Blood Count | £143.00 Immune System Blood Test |
All comparisons · Find the cheapest test for your markers
Prices checked daily — always confirm on the provider's site. Not medical advice.
Price data from Blood Tests - Head to Head (CC BY 4.0).