Question 1

How quickly will I receive a response?

Accepted Answer

We typically respond to all email inquiries within 24 hours on business days (Monday–Friday, Pacific time). For urgent order issues, include your order number in the subject line.

Question 2

How can I track my order?

Accepted Answer

Use the tracker on this page — order number plus the email on the order, no account needed. Once it ships you’ll also get tracking by email. Or email us the SL- number.

Question 3

What if my package arrives damaged?

Accepted Answer

Every order includes free shipment protection. Email us your order number and photos of the damage. Photo evidence is required. Once verified, we replace it.

Question 4

Can you recommend products for my research?

Accepted Answer

We can’t give medical or therapeutic advice. We can point you to specs, purity, and what’s in the catalog. Research use only.

Question 5

How do I request a COA?

Accepted Answer

COAs are available on request. Email siixlabss@gmail.com or text (661) 446-9637 with the product name and the lot number printed on your vial, and we'll send the certificate for that lot.

Question 6

What if my referral forgot to enter my name?

Accepted Answer

Contact us within 48 hours of their order. Include both names and the order number if you have it. We’ll do our best to verify and post the $10 credit.

How can we help?

Email Us

Support FAQ