60-Second Science: Which form of glutathione actually works?
Preview text: Hint: it might not be glutathione at all

Use this example
- Subject
- 60-Second Science: Which form of glutathione actually works?
- Preview text
- Hint: it might not be glutathione at all
- From
- info@
mara-labs.com - Brand
- Mara Labs
- ESP
- Klaviyo
- Sent
- Fri Sep 4, 2026, 6:49 PM ET
- Sent to
- brocelite.com, mara-labs.com
- Size
- 54 KB
- Images
- 7
- Links
- 15, 6 of them buttons
- Subject length
- 60 characters
Against Mara Labs's usual
Sent in the 6 PM hour, which holds 11% of its emails; 17% arrive in the 9 AM hour. The subject is 60 characters; its average is 37.
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
- David @ Mara Labs <[email protected]>
- Subject
- 60-Second Science: Which form of glutathione actually works?
- Date
- Fri, 04 Sep 2026 22:49:12 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-72
- Return-Path domain
- k1.send.mara-labs.com
- DKIM signature
- d=send.mara-labs.com s=s1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-49j6k with SMTP
- from (unnamed) by geopod-ismtpd-72 with HTTP
Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID
Sent just before and after
| Sep 7, 2026 3:17 AM | See something you liked? | |
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| Sep 5, 2026 9:30 AM | About Your Discount... | |
| Sep 4, 2026 6:49 PM | 60-Second Science: Which form of glutathione actually works? (this email) | |
| Sep 4, 2026 9:32 AM | Save BIG This Labor Day Weekend! | |
| Sep 3, 2026 6:01 PM | What happens to glutathione after you swallow it? | |
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