Some medications, such as antibiotics, can influence your results while others won’t. So it’s always best to check with us first if you are on any medication by contacting Or you can use our 'contact us' form on this page.

We will advise you on whether to take the test, or if it’s best to wait until you’ve completed your course of medication.

Last Updated: October 10, 2023

Blood Sample Collection

Customer Service team

Contact the support team

View service status

Please enable JavaScript in your browser to complete this form.