They Sent It

We put caffeine on trial. It lost.

Four clinical trials. One winner. It is not caffeine.

Upgraded FormulasThursday, Jun 4, 2026 at 7:15 AM EasternKlaviyo
Upgraded FormulasWe put caffeine on trial. It lost.
Subject
We put caffeine on trial. It lost.
Preview text
Four clinical trials. One winner. It is not caffeine.
From
hello@upgradedformulas.com
Sent
Thu Jun 4, 2026, 7:15 AM ET
Size
55 KB
Images
13
Links
13, 4 of them buttons
Subject length
34 characters

Against Upgraded Formulas's usual

Sent in its busiest hour, 7 AM, which holds 22% of its emails. The subject is 34 characters; its average is 43.

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