THE SAMPLE EXPLORER
A clearer starting point
for at-home testing.
Start with what you want to learn. Explore how blood, urine and saliva samples differ, and what to check before choosing a kit.
STEP 01 / 03About 2 minutes
What would you like to learn about?
Choose an area to explore. This changes the information shown, not a recommendation for testing.
One question is a useful place to start.
STEP 02 / 03
How would you prefer to collect a sample?
We’ll highlight your preference and keep all three sample types available to compare. The exact marker still comes first.
Comfort is one part of the choice.
A convenient method is only useful if the specific kit measures what you want to learn about.
STEP 03 / 03
Compare the sample, then the test.
YOUR AREA OF INTEREST
Read the related guideNo sample type is always “best.” Compare the exact marker, intended use, method and supporting evidence for each kit.
FROM THE GUIDES
Read the context behind the comparison.
Adapted from existing Wellness Test Guide articles.
Content checked October 11, 2026.