A convenient finger-prick blood test that evaluates essential fatty acids and their metabolites, giving insights into inflammation, cardiovascular risk, and overall cellular health.

Dried blood spot

Essential & Metabolic Fatty Acids

Patient Guide

Supporting Materials

Step 01

Plan Your Collection

Ship Monday thru Friday and avoid US holidays which may cause delays. Review full clinical guidelines at gdx.net/tests/prep.

Night Before Collection

Patients must fast overnight prior to the blood draw. Freeze gel freezer pack (at least 4 hours before shipping).

Step 02

Specimen Collection

  1. Review instructions and test prep information at gdx.net/activate.

2. Write your date of birth (DOB) and the date of collection on the labels provided.

  1. Attach a completed label to the blue-top amber tube

Collect Urine

  1. Collect your first morning urination into a clean container (a large plastic cup works well). If you wake to urinate during the night, within 6 hours of when you typically wake for the day, collect your urine in the cup, refrigerate, then combine with your first morning urination collection.

  2. Use the pipette to transfer urine from the cup into the blue-top amber tube until nearly full.

  3. Recap the tube tightly and shake.

  4. 4. Place the tube into the biohazard bag and freeze for a minimum of 2 hours.

Blood Draw and Processing

  1. Clean the skin thoroughly with isopropyl alcohol before venipuncture.

  2. Draw blood.

  3. Prepare blood using benchchart. Specimens must be received at the lab within 48 hours of collection. If necessary, the specimens can be kept in a refrigerator overnight before shipping.

Step 03

Return Collection Pack

  1. Confirm that each tube has a completed label attached with patient’s date of birth and the date of collection. Place the frozen freezer brick and the biohazard bags with all tubes inside the foam insulator. Replace the foam lid.

  1. Retain a copy of the activation number for future reference using one of the three labels provided on the bottom of the activation label card.

  1. Visit gdx.net/mygdx to enter the date of your final collection and receive your confirmation code. Write the date of collection and your confirmation code on the activation label card. Place the activation card inside the box.

  1. Close the cardboard box and place inside the FedEx shipping bag. Follow the shipping instructions provided.

How It Works

Getting your GI Effects® test is simple and can be done from the comfort of your

home.

Consult Doctor

Your doctor will discuss your symptoms

and help decide which test is right for

you. Many specimen collections can be

completed from the privacy of your

home.

1

Order Your Collection Kit

Get started with ease—order your collection kit today for quick and hassle-free sampling

2

Collect Samples

Use a calendar to plan for your

collection. Follow instructions carefully

and be sure to add important details

about you and your specimens.

3

Ship to Lab

Ship your specimens using the prepaid

shipping materials provided. Results

are available online.

4

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comprehensive health testing

solutions. Professional, reliable,

and convenient.

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