C8 Becomes Ketone Fuel Within Minutes, 25% Off

Preview text: Triple-steam distilled from the most ketogenic part of the coconut

BulletproofFriday, Aug 21, 2026 at 5:47 PM EasternKlaviyo
BulletproofC8 Becomes Ketone Fuel Within Minutes, 25% Off
Subject
C8 Becomes Ketone Fuel Within Minutes, 25% Off
Preview text
Triple-steam distilled from the most ketogenic part of the coconut
From
reply@email.bulletproof.com
Sent
Fri Aug 21, 2026, 5:47 PM ET
Sent to
bulletproof.com, shop.bulletproof.com
Size
82 KB
Images
21
Links
23, 2 of them buttons
Subject length
46 characters

Against Bulletproof's usual

Sent in its busiest hour, 5 PM, which holds 23% of its emails. The subject is 46 characters; its average is 32.

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
Bulletproof <[email protected]>
Subject
C8 Becomes Ketone Fuel Within Minutes, 25% Off
Date
Fri, 21 Aug 2026 21:47:57 +0000 (UTC)
Message-ID domain
geopod-ismtpd-59
Return-Path domain
email.bulletproof.com
DKIM signature
d=bulletproof.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-…-zql96 with SMTP
  2. from (unnamed) by geopod-ismtpd-59 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

Report this email

Sent just before and after

Aug 23, 2026 11:16 AMTwo Months of Mornings in One 32 oz Bottle
Aug 22, 2026 11:31 AMMCT Oil Is Energy With No Caffeine In It
Aug 22, 2026 4:47 AMWe Saved You 20%
Aug 21, 2026 5:47 PMC8 Becomes Ketone Fuel Within Minutes, 25% Off (this email)
Aug 20, 2026 12:20 PMBrain Octane® and Every Other Oil, 25% Off
Aug 19, 2026 10:42 AMLast Hours to Get Two for Less
Aug 18, 2026 6:04 PMMake Your Second Bulletproof One You Haven't Tried

More from Bulletproof

All Bulletproof emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.