Order questions, product questions, or a request for the certificate of analysis on your lot — send it over and a human replies, usually same day.
support@essentialsubstance.com
Monday–Friday, 9am–5pm ET
Typical reply: under 1 business day
Gyms, clinics, retailers and international distributors — we'd like to hear from you.
Submit a wholesale request →
press@essentialsubstance.com
For media requests, athlete partnerships and affiliate enquiries.
Send the lot number printed on the base of your tub and we'll email the matching certificate of analysis.
Dosing, loading, taste, testing, shipping and subscription changes are all covered in the FAQ.
