Achieve Faster Results with your Clients Using Nutritional Blood Testing


Take the guesswork out of your client’s macronutrient calculations by using this test to give specific individual macronutrient goals


Test Description

The Fitchecks Nutri test analyses certain blood markers which allow you to give specific guidelines on carbohydrates, fats, and protein to your client. The reports which are generated from your client’s bloodwork go well beyond any advice a GP or dietician can give. Further to this GC Biosciences provides expert support and guidance from when the test is ordered to when we deliver the report and provide a post test consultation. This will allow you to recommend specific nutrition guidelines to your clients as well as keep your client adhered to a nutrition programme and lifestyle change all which benefit your client and your business. As a fitness professional you will receive 15% off the retail price and enjoy cost price testing for your own benefit.


• Glucose tolerance which gives you an idea of how well the body is responding carbohydrates we use these specific markers: fasting glucose and HbA1c

• Guidance on fats in the diet can be analyzed through lipids such as cholesterol and triglycerides

• Total protein with differentiation is measured within the blood work giving an idea on numerous markers that perform vast functions within the body. Urea and creatinine are tested allowing a determination of kidney function and if protein intake is too high


• Get macronutrient specifics

• Supplement guidelines

• Receive a post-test call with one of our experts once you receive the test results

• Ongoing email and Whatsapp support


Along with the blood testing, as a FITCHECK Practitioner you will gain FREE access to the following features:

• Macronutrient Calculator – use this tool to simply create bespoke client nutritional programmes

• Body Fat (bf) Calculator – designed for fast and accurate client bf tracking and client compliance

• FITCHECK Research Zone – access to 100’s of eBooks and research articles

• 24-h access to exclusive educational talks, expert support from the GC Bioscience Team and special guests

Download a Macronutrient Report Example

Click and download an example of the reports created for Macronutrients that you can share with your client.

Test Procedure

The tests are completed using a home test kit which is easily completed providing you follow the instructions contained within the box. View video or click this link to a video on how the test procedure works

Contact Us Today

Contact us today and get more information on how we can work with you and also get FREE access to our research and resource library, skinfold and macro calculator and benefit from exclusive discounts to our tests.


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    “Working with GC Bioscience is the most sensible move I’ve made towards my health goals”

    Simon Herbert

    “Testing with GC has taken all the guess work out of my dieting, I would highly recommend GC Bioscience to anyone ready to take it to the next level.”

    Alex Quinn

    Franchesca Shearer Client Journey

    GC Bioscience have hugely changed my life. The team have achieved things I didn’t think were possible”

    Franchesca Shearer 

    Frequently Asked Questions

    Please see the attached document the specific tests, but recommendations on supplements and diet are a part of each test, so the exact what is included in the test is:

    • Test kit
    • Test results
    • Nutritional recommendations
    • Supplement recommendations
    • 1 month of email and text support with the PT

    At home where a test kit is sent to the client/PT and the test is completed by the client/PT and then sent to the Lab with the inclusive return labels

    The test results come with specific recommendations for your clients supplement and nutritional programmes.

    By trained health professionals which include:

    • Doctors
    • Biomedical scientists
    • Health scientists
    • Nutritionists

    Before the results are released to the client/PT they are assessed thoroughly if any further action is needed that is outside of the remit of a PT GC Biosciences recommends the next course of action

    • CBC – £295 for clients and £67 for the PT
    • FST – £295 for clients and £113 for the PT
    • Macronutrient Test – £97
    • Hormone+ Test – £97
    • Advanced Testing – £595 (15% referral fee to PT for any referred business)
    • The FITCHECK Programme is based around the certain Blood Tests depending on what type of fitness professional you are. Each test enables fitness professionals to identify problems they would not be able to identify without testing and then troubleshoot them problems.
    • The science behind testing foods that illicit a response from the immune system is ever growing. The test we use helps identify foods that result in an immune reaction over a prolonged period. The report will identify and remove any offending foods which can be part of a challenge test after 60 days. The diet from the test can help alleviate the following symptoms: Bloating, Gastric Discomfort, IBS Type Symptoms and Allergies.
    • The CBC is designed to highlight any hormonal, health or nutritional issues and will be used to help create an optimal nutrition and supplement plan to help achieve the following: Fat Loss, Muscle Gain, Improved Sex Drive, and Improved Cognitive Function.
    • This simple yet effective service has been designed for Personal Trainers to help with the following: Increased client retention through improved service and demonstrable results, Scientific Backed nutrition plans offering the best results possible, Automated results for fastest and effective turnaround times and more convenient and cost effective alternative to the current


    • Fully Automated to enable the fastest and most efficient turnaround possible
      • Clearly presented and fully explained results with specific actionable instructions
      • Automatically sync with clients nutrition plans to produce scientifically backed nutritional planning

    Client Benefits

    • Tracking of Tangible Health Markers demonstrating client progress
      • Strategic Integration of Results into clients plans offering
      • Ongoing measurement of health markers offering a simple client accountability checker


    • The cheapest yet most comprehensive testing available
      • Low cost monthly subscription available for ongoing testing in order to track client progress
      • Ability to incorporate the testing cost into clients overall package


    • Testing kits sent directly to the client for at home testing
      • Results delivered directly to your inbox for immediate application to your clients programmes