There are two methods for taking a blood sample. Finger Prick Using a lancet blood is taken from the capillaries at the ends of your fingers. This is something you can do yourself at home.

There will be an information sheet included with your kit to help. Link to sample page. Venous Using a vacutainer and needle a trained professional will take your blood sample from a vein, usually in your arm. If you know a trained professional, we can offer this type of kit Free of charge. Just tick Free Venous kit at checkout. If you Would like to have blood taken from the vein but do not know anyone that can do this for you, we offer a Phlebotomist service.

A trained phlebotomist will contact you and arrange a good time to come to your home or place of work and take the sample for you. There is a small fee for this service. To arrange it please tick Phlebotomist visit at the checkout.

PLEASE NOTE: Please do not send samples back to the lab unless they are labelled and have reached the required fill line. If you do send insufficient samples, or the lab do not have required information they may not be able to provide analysis, but charges will still be incurred. If you are unsure or require any additional information please contact

For Optimal results, the following tests require an 8 hour overnight fast: Iron, Folate, Liver, Cholesterol and Omega. Kidney- You do not have to fast before your kidney test, but it is recommended to avoid protein-heavy meals before collecting your sample as this can impact test results. This includes red meat, protein shakes and supplements.

Fasting means that you collect your sample, early in the morning before you have breakfast. You can still drink water when fasting. Always follow the advice of your doctor with regards to fasting, particularly if you have any medical conditions.

Always if possible, take the sample on the day you wish to post it. Monday – Thursday is best to avoid delays with the postal company over the weekend. We do not recommend taking samples over the weekend. If for any reason you must take a sample at the weekend, leave it in your fridge overnight and gently turn your sample in the morning at least three times, do not shake. Then post at your earliest convenience

Place your labelled sample and your lab form in the envelope provided. When posting we strongly recommend using Royal Mail Special delivery service. Blood is perishable and can become too old to test if left in the postal system too long.

If you woud like a phlebotomist to come to your home or place of work to take your sample for you choose this option when you add your test to the cart.

Our Phlebotomy  team are an external service and You will pay them directly, this price can differ depending on location. The cost is between £40 and £60 on average.

Phlebotomists are really busy we will do our best to get you booked in within 7 working days. Youth Revisited customers do get a priority service so every effort is made to book in as soon as possible.




Once the laboratory has received your sample, they usually have the results within 1-2 working days. dependent on the test you have chosen. We will email you to let you know the results are ready. They will be uploaded to your dashboard on the website.

Your report from left to right will list:

• Name of Bio marker •

Your result

• Normal range (based on your gender and age)

• Units it has been measure in

Results out of the normal range will show in red.

If you have purchased a basic explanation at the checkout you will also receive a report that lists the markers that are out of range and a basic reason why this can happen. This report will follow a day or so after your test once our expert has been able to look at your report

Sometimes issues can arise, an error message could show on a report for example:

• Hemolyzed

Hemolysis describes the rupture of red blood cells, this type of blood sample contamination frequently happens because of improper specimen collection or poor sample handling techniques.

• Insufficient

Not Enough blood in the tubes for the lab to test the markers required.

• Clotted 1, Cells can become damaged by forcing the blood from the finger. This can be avoided by doing a little exercise beforehand to get the blood flowing, warming your hands with warm water, making sure you are hydrated and letting gravity help by standing and letting the blood drip freely when taking a capillary (Finger prick) sample.

2, Improper mixing of the blood sample

Tubes need to be mixed with content of the vial by inverting the tube 8-10 times immediately after collection to mix the blood thoroughly. These should be gentle inversions, avoiding rigorous shaking.

• No sample

Some tests need more than one colored tube for testing, all tubes need to be sent to the lab. • Unlabeled

Your test kit will have a label enclosed and a lab form. Your sample must have a label on it, this is for regulatory reasons. If your sample does not have a label on It and a form with it your sample may not be tested. This is important.

• Mis matched.

If the information on the label and the lab form do not match. Or if the lids of your tubes have been swapped. The lab simply cannot test that sample.

On rare occasion’s errors can occur, if this happens you can order a replacement kit. A replacement kit costs £15.00. and it will allow you to test your failed Biomarkers again. Email in with your Lab number, name, and Date of birth. We will send you a link to pay, New paperwork will be created, and a new kit will be forwarded in the post. You have 14 days to use the replacement kit


Youth revisited use two laboratories within the UK for testing, one has UKAS accreditation ISO 15189 it is the same standard met by NHS laboratories and the Care Quality Commission the other is a new lab that is pending accreditation. Any markers that are tested on machines pending accreditation will have a note on your report to confirm this. If you specifically would like to use the other lab while accreditation is pending please let us know before we post your test kit and we can arrange that for you.

Yes. To use our services, you have to confirm that you understand and agree to adhere to the Terms and Conditions given on our site. If you are unsure or unclear about any of the information please contact us before making any purchases or using our services.

Pungi Limited ensure that it complies with UK Data Protection legislation, meaning we are not allowed to pass patient information to third parties not involved in the service without the patient’s explicit permission. All our emails are secure and encrypted and only registered persons have access to your online portal to add notes or data.

Email is the best way to get hold of us: We are available Monday – Friday 9am – 5pm

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