How long do supplements take to work?
Preview text: The answer depends on what you take

Using this email in an article? Credit: Rainbow Nutrients email via They Sent It, with a link to this page. Full-size image
- Subject
- How long do supplements take to work?
- Preview text
- The answer depends on what you take
- From
- customers@
rainbownutrients.com - Brand
- Rainbow Nutrients
- ESP
- Klaviyo
- Sent
- Thu Sep 24, 2026, 1:31 PM ET
- Size
- 43 KB
- Images
- 14
- Links
- 16, 2 of them buttons
- Subject length
- 37 characters
Against Rainbow Nutrients's usual
Sent in its busiest hour, 1 PM, which holds 44% of its emails. The subject is 37 characters; its average is 33.
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
- Rainbow Nutrients <[email protected]>
- Subject
- How long do supplements take to work?
- Date
- Thu, 24 Sep 2026 17:31:16 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.rainbownutrients.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.rainbownutrients.com 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
| Sep 30, 2026 6:31 PM | How to get more "good years" | |
| Sep 28, 2026 1:03 PM | Give your hair a morning head start | |
| Sep 26, 2026 2:30 PM | Hair support works from the inside out | |
| Sep 24, 2026 1:31 PM | How long do supplements take to work? (this email) | |
| Sep 22, 2026 6:02 PM | What biotin does for hair health | |
| Sep 20, 2026 1:04 PM | Hair changes after 40, not your identity | |
| Sep 18, 2026 7:32 PM | Your hair advice is still saved |
More from Rainbow Nutrients
All Rainbow Nutrients emailsTransplants vs. a daily hair bottle
Nov 6, 2026 1:04 PM
Five questions on hormone balance
Nov 4, 2026 12:05 PM
Oct 31, 2026 1:01 PM
Free shipping closes tomorrow night
Oct 30, 2026 5:30 PM
Free shipping across the entire shop
Oct 29, 2026 12:00 PM
Your supplement shelf, simplified
Oct 26, 2026 7:01 PM
Oct 25, 2026 7:01 PM
Oct 18, 2026 7:31 PM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 24, 2026.








