What’s actually in your supplements?
Preview text: Why we test every batch

Use this example
- Subject
- What’s actually in your supplements?
- Preview text
- Why we test every batch
- From
- hello@
swimclub.co - Brand
- SwimClub
- ESP
- Klaviyo
- Sent
- Fri Oct 2, 2026, 12:11 PM ET
- Sent to
- getswimclub.com, Colombia (swimclub.co)
- Size
- 43 KB
- Images
- 6
- Links
- 10, 3 of them buttons
- Subject length
- 36 characters
Against SwimClub's usual
Sent in the 12 PM hour, which holds 4% of its emails; 15% arrive in the 7 PM hour. The subject is 36 characters; its average is 38.
Email headers
What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.
- From
- SwimClub <[email protected]>
- Subject
- What’s actually in your supplements?
- Date
- Fri, 02 Oct 2026 16:11:01 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.swimclub.co
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.swimclub.co s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP
Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Oct 10, 2026 1:45 PM | Saw you looking... here’s $10 | |
| Oct 10, 2026 8:10 AM | You're in. Here's what we're about. | |
| Oct 6, 2026 9:59 AM | Save 20% with Prime Big Deal Days | |
| Oct 2, 2026 12:11 PM | What’s actually in your supplements? (this email) | |
| Sep 30, 2026 11:05 PM | Fertility isn't one thing | |
| Sep 29, 2026 11:04 PM | Saw you looking... here’s $10 | |
| Sep 29, 2026 8:05 PM | Do men have a biological clock? |
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