Private group testing

One batch. Clear answers.

Join a coordinated COA testing run, mail your sample, and check your results online. No shipping back. No guesswork.

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Featured campaign

$109
Stripe price · Venmo $105 · results online
Open campaigns

Choose your batch

1 active
OPENDEMO109

Demo Campaign

A coordinated batch. Send one sample per slot; results are posted to your private online record.

$109.00per sample
9 of 10 minimum slots90%

View campaign & join

01 · Reserve

Pick your slots

Pay for one or more samples with Stripe or Venmo.

02 · Mail

Send your sample

Your sample code keeps every result matched to you.

03 · Read

Results online

No package returned. Sign in later to see the lab result.