Private group testing

One batch. Clear answers.

Join a coordinated COA testing run, mail your sample, and receive your COA by email. No shipping back. No guesswork.

Now enrolling

Featured campaign

$100
Venmo $100 · COA emailed
Open campaigns

Choose your batch

2 active
OPENK2-260910-ZDM

September 2026 Testing Campaign 1

A coordinated batch. Send one sample per slot; the COA is emailed directly to the submission email.

$100.00per compound
25 of 10 minimum slots100%

View campaign & join

CLOSEDK2-260807-VNB

August 2026 Testing Campaign 1

A coordinated batch. Send one sample per slot; the COA is emailed directly to the submission email.

$100.00per compound
35 of 10 minimum slots100%

Enrollment closed

01 · Reserve

Pick your slots

Pay for one or more samples with Venmo.

02 · Mail

Send your sample

Your sample code keeps every result matched to you.

03 · Read

Results emailed

Your COA will be sent directly to the email used for your submission. Results arrive 10–12 business days after your sample is submitted to the lab.