They Sent It

Why thyroid disorders often go undiagnosed

Thyroid V1 96 Spot these symptoms of thyroid dysfunction. Test key biomarker levels to own…

Function HealthThursday, Jul 2, 2026 at 11:00 AM EasternIterable
Function HealthWhy thyroid disorders often go undiagnosed
Subject
Why thyroid disorders often go undiagnosed
Preview text
Thyroid V1 96 Spot these symptoms of thyroid dysfunction. Test key biomarker levels to own…
From
hello@mail.functionhealth.co
Sent
Thu Jul 2, 2026, 11:00 AM ET
Size
74 KB
Images
16
Links
15, 1 of them buttons
Subject length
42 characters

Against Function Health's usual

Sent in the 11 AM hour, which holds 16% of its emails; 30% arrive in the 8 PM hour. The subject is 42 characters, the same as its average.

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
Function Health <[email protected]>
Subject
Why thyroid disorders often go undiagnosed
Date
Thu, 02 Jul 2026 15:00:18 +0000
Message-ID domain
mail.functionhealth.co
Return-Path domain
mail.functionhealth.co
DKIM signature
d=mail.functionhealth.co s=smtp
List-Unsubscribe
Present, one-click
Feedback-ID sender
iterable

Servers it passed through, newest first

  1. from v5233.….use4.send.mailgun.net [69.72.41.233] by our receiving server with ESMTPS
  2. by … with HTTP

Other sending headers (names only): X-Mailgun-Sid, X-Mailgun-Sending-Ip-Pool-Name, X-Mailgun-Sending-Ip-Pool, X-Mailgun-Sending-Ip, X-Message-Id, X-Campaign-Id, X-Mailgun-Variables

Report this email

Sent just before and after

Jul 23, 2026 11:00 AMAre your symptoms a sign of low electrolytes?
Jul 16, 2026 11:00 AMKnow how to lower your heart disease risk—beyond diet and exercise?
Jul 9, 2026 11:00 AMAre you ignoring signs of autoimmune disease?
Jul 2, 2026 11:00 AMWhy thyroid disorders often go undiagnosed (this email)
Jun 30, 2026 2:07 PMYour Function Day credits expire tomorrow. Get 2 years, $499.
Jun 29, 2026 3:19 PMYour $200 Annual MRI credit is waiting.
Jun 26, 2026 12:02 PMYour $50 Add-On Test credit is waiting.

More from Function Health

All Function Health 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.