Three steps to optimal performance


  • Select the package which is right for you.
  • We’ll send you a finger-prick sample kit which will arrive within 2 working days through your letterbox.
  • Collect your blood sample at home and simply post it direct to our lab in the pre-paid envelope.
  • As your order is part of a subscription package, a new kit will be sent to you at the frequency you requested.  You can change the date, pause or cancel your subscription online at any time.


  • Your results will be available within days of receiving your sample on your secure online Forth dashboard.
  • We’ll give you easy-to-understand information on each biomarker and show you exactly where you fall on the range.
  • Once you’ve established your baseline numbers, by testing regularly you can track how your markers change according to training load and diet. 


Image of test results on an iPad
  • Make changes to your training load and diet to optimise your markers.
  • We’ll give you some tips on the type of foodstuffs which can improve some markers
  • Share your results with sports nutritionists or performance coaches

Note: The tests Forth offers are intended to improve wellbeing and optimise sports performance. The test results are for information purposes only. Forth does not interpret your results, offer clinical advice or diagnosis. If you do have concerns about your health, please discuss these directly with your GP.



See how a simple test can improve your performance...


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