Loved by hundreds of thousands of customers
Free doctor Interpretation for all blood tests
Free shipping on our orders
No insurance required
Loved by hundreds of thousands of customers
Free doctor Interpretation for all blood tests
Free shipping on our orders
No insurance required

Healthcare, to Your Doorstep. Order Now

How can we help you today?

We’re making health and wellness effortlessly accessible

Innovative tests

Essential blood tests crafted for a happy and health you.

Convenient treatments

Proven medications and personalised treatments just for you.

SmartReports®

AI generated user-friendly reports with a doctor’s interpretation.

Doctor follow-up

Talk to a doctor at any time if you’re concerned about your results.

Get personalised tests and treatment as recommended by doctors

Prostate Cancer Test

Detect prostate conditions early and start treatment sooner

Across UK, 144 men are diagnosed with prostate cancer every day.

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Prostate Test
Thyroid Test
Women's Fertility
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Our expert team

Meet the team making health and wellness easier, faster and safer for millions like you.

Dr Raja Mohan
Co-founder & CEO
Dr Poobashni Govender
Co-founder & COO
Anupam Raja Ashwin
Chief Technology Officer

Have questions? Get answers

Have questions?
Get answers

Our at-home diagnostic tests are designed for convenience and accuracy. Simply order your test kit online, follow the instructions to collect your sample, and send it back to us using the prepaid envelope provided. Your results will be analysed by our team of experts and delivered to you digitally.
Rainbow sets itself apart by creating consumer feedback loops, encouraging users to take action based on their test results and then test again to assess the impact of those interventions. We integrate innovative Generative AI technology to analyse test results, offering personalised health insights, and providing a comprehensive suite of health services including sexual wellness.
Yes, Rainbow’s telehealth consultations and at-home diagnostic services are available across the entire country, ensuring that everyone has access to quality healthcare, regardless of their location.
Accessing our services is simple. Visit our website to browse our available tests and services, choose what you need, and complete your purchase. For telehealth consultations, you can book an appointment directly on our platform.
Absolutely. Protecting your privacy and securing your personal health information is our top priority. We comply with all relevant privacy laws and regulations, including GDPR, ensuring that your data is handled with the utmost care and confidentiality.
The turnaround time for test results varies by the type of test but typically ranges from 48-72 hours after your sample arrives at our lab. Telehealth consultation summaries are provided after your appointment if you opt for it.
You can book a follow-up consultation with our GPs to discuss your results. Our healthcare professionals will help you understand your health data and provide recommendations for any necessary actions or treatments.
If you encounter any technical issues, please contact our customer support team immediately. We are here to ensure a smooth and efficient telehealth experience for you.
Yes, appointments can be cancelled or rescheduled up to 24 hours before the scheduled time. Please visit our website or contact customer support for assistance.
Upon request, Rainbow can provide documentation of your telehealth consultations and test results, which can be used for work or school absences. Please specify this need when booking your appointment.
Rainbow values your feedback. If you have any concerns or complaints, please contact our customer support team. We are committed to addressing and resolving any issues promptly.

If you wish to delete your account and remove your personal data, please contact us via email. We will process your request in accordance with relevant data protection laws.

Yes, Rainbow offers tailored services for corporations and groups, including wellness programs and bulk diagnostic testing. Contact us for more information.

Important Safety Information

Do not take Sildenafil (sildenafil citrate) if you:
  • take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level
  • are allergic to sildenafil, as contained in Sildenafil and REVATIO, or any of the ingredients in Sildenafil

Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help

Sildenafil can cause serious side effects. Rarely reported side effects include:

  • an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis

  • sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Sildenafil and call your healthcare provider right away if you have any sudden vision loss

  • sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Sildenafil and contact a doctor right away

Before you take Sildenafil, tell your healthcare provider if you:

  • have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure

  • have had heart surgery within the last 6 months

  • have pulmonary hypertension

  • have had a stroke

  • have low blood pressure, or high blood pressure that is not controlled

  • have a deformed penis shape

  • have had an erection that lasted for more than 4 hours

  • have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia

  • have retinitis pigmentosa, a rare genetic (runs in families) eye disease

  • have ever had severe vision loss, including an eye problem called NAION

  • have bleeding problems

  • have or have had stomach ulcers

  • have liver problems

  • have kidney problems or are having kidney dialysis have any other medical conditions

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Sildenafil may affect the way other medicines work, and other medicines may affect the way Sildenafil works, causing side effects. Especially tell your healthcare provider if you take any of the following:

  • medicines called nitrates

  • medicines called guanylate cyclase stimulators such as Adempas (riociguat)

  • medicines called alpha-blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosin mesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Sildenafil with alpha-blockers can lead to a drop in blood pressure or to fainting

  • medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase), or atazanavir sulfate (Reyataz)

  • some types of oral antifungal medicines, such as ketoconazole (Nizoral) and itraconazole (Sporanox)

  • some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin

  • other medicines that treat high blood pressure

  • other medicines or treatments for ED

Sildenafil contains sildenafil, which is the same medicine found in another drug called REVATIO. REVATIO is used to treat a rare disease called pulmonary arterial hypertension (PAH). Sildenafil should not be used with REVATIO or with other PAH treatments containing sildenafil or any other PDE5 inhibitors (such as Adcirca tadalafil) Sildenafil does not protect against sexually transmitted diseases, including HIV. The most common side effects of Sildenafil: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash. Sildenafil (sildenafil citrate) is prescription medicine used to treat erectile dysfunction (ED). Sildenafil is not for women or children.

Important Safety Information

Take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level are allergic to Tadalafil or any of the ingredients in Tadalafil

Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help

Tadalafil can cause serious side effects. Rarely reported side effects include:

an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis

sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Tadalafil and call your healthcare provider right away if you have any sudden vision loss

sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Tadalafil and contact a doctor right away

Before you take Tadalafil, tell your healthcare provider if you:

have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure

have had heart surgery within the last 6 months

have pulmonary hypertension

have had a stroke

have low blood pressure, or high blood pressure that is not controlled

have a deformed penis shape

have had an erection that lasted for more than 4 hours

have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia

have retinitis pigmentosa, a rare genetic (runs in families) eye disease

have ever had severe vision loss, including an eye problem called NAION

have bleeding problems

have or have had stomach ulcers

have liver problems

have kidney problems or are having kidney dialysis have any other medical conditions

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

Tadalafil may affect the way other medicines work, and other medicines may affect the way Tadalafil works, causing side effects. Especially tell your healthcare provider if you take any of the following:

medicines called nitrates

medicines called guanylate cyclase stimulators such as Adempas (riociguat)

medicines called alpha-blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosin mesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Tadalafil with alpha-blockers can lead to a drop in blood pressure or to fainting medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase), or atazanavir sulfate (Reyataz)

some types of oral antifungal medicines, such as ketoconazole (Nizoral) and itraconazole (Sporanox)

some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin

other medicines that treat high blood pressure

other medicines or treatments for ED

Tadalafil should not be used with REVATIO or with other PAH treatments containing PDE5 inhibitors.

Tadalafil does not protect against sexually transmitted diseases, including HIV.

The most common side effects of Tadalafil: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.

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Important Safety Information

Take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level are allergic to Tadalafil or any of the ingredients in Tadalafil

Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help

Tadalafil can cause serious side effects. Rarely reported side effects include:

an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis

sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Tadalafil and call your healthcare provider right away if you have any sudden vision loss

sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Tadalafil and contact a doctor right away

Before you take Tadalafil, tell your healthcare provider if you:

have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure

have had heart surgery within the last 6 months

have pulmonary hypertension

have had a stroke

have low blood pressure, or high blood pressure that is not controlled

have a deformed penis shape

have had an erection that lasted for more than 4 hours

have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia

have retinitis pigmentosa, a rare genetic (runs in families) eye disease

have ever had severe vision loss, including an eye problem called NAION

have bleeding problems

have or have had stomach ulcers

have liver problems

have kidney problems or are having kidney dialysis have any other medical conditions

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

Tadalafil may affect the way other medicines work, and other medicines may affect the way Tadalafil works, causing side effects. Especially tell your healthcare provider if you take any of the following:

medicines called nitrates

medicines called guanylate cyclase stimulators such as Adempas (riociguat)

medicines called alpha-blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosin mesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Tadalafil with alpha-blockers can lead to a drop in blood pressure or to fainting medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase), or atazanavir sulfate (Reyataz)

some types of oral antifungal medicines, such as ketoconazole (Nizoral) and itraconazole (Sporanox)

some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin

other medicines that treat high blood pressure

other medicines or treatments for ED

Tadalafil should not be used with REVATIO or with other PAH treatments containing PDE5 inhibitors.

Tadalafil does not protect against sexually transmitted diseases, including HIV.

The most common side effects of Tadalafil: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.