Contact us
We answer questions about the catalog, certificates of analysis, order status, shipping, and returns.
Our main support channel. Same address for orders, shipping, returns, and privacy.
Website chat
The chat is available on every page of the site, in the corner of the screen. It answers questions about the catalog, documentation, and logistics.
We do not provide guidance on preparation, administration, or dosage.
Phone
For questions about orders and documentation. We do not take requests for guidance on preparation, administration, or dosage.
Support hours
Business days, Monday through Friday, excluding U.S. federal holidays.
9:00 AM – 6:00 PM ET
We reply by email within 1 business day.
Mailing address
Merchant country: United States
Send a message
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The answer may already be here
- Shipping Policy — methods, prices, dispatch and transit times.
- Returns & Refunds Policy — deadlines, conditions, and how to request one.
- Certificates of Analysis — sample certificates published.