The Shocking Truth About Your "Normal" Testosterone Levels

Preview text: The testosterone test that lies to men over 40

Dr. Mark StenglerTuesday, Aug 18, 2026 at 7:00 AM EasternKlaviyo
Dr. Mark StenglerThe Shocking Truth About Your "Normal" Testosterone Levels
Subject
The Shocking Truth About Your "Normal" Testosterone Levels
Preview text
The testosterone test that lies to men over 40
From
drstengler@markstengler.com
Sent
Tue Aug 18, 2026, 7:00 AM ET
Sent to
markstengler.com
Size
54 KB
Images
5
Links
7, 5 of them buttons
Subject length
58 characters

Against Dr. Mark Stengler's usual

Sent in its busiest hour, 7 AM, which holds 93% of its emails. The subject is 58 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
Dr. Mark Stengler <[email protected]>
Subject
The Shocking Truth About Your "Normal" Testosterone Levels
Date
Tue, 18 Aug 2026 11:00:05 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.email.markstengler.com
DKIM signature
d=shared.klaviyomail.com s=def1; d=email.markstengler.com s=mtd1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. 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

Report this email

Sent just before and after

Aug 25, 2026 7:00 AMShocking Statin Risks You Need to Know
Aug 23, 2026 7:01 AMNew Podcast: The Prostate and Hormone Connection
Aug 20, 2026 7:01 AMOver 50? Here's the #1 Reason Pain Pills FAIL
Aug 18, 2026 7:00 AMThe Shocking Truth About Your "Normal" Testosterone Levels (this email)
Aug 16, 2026 7:01 AMNew Podcast: Stop Taking the WRONG B12...Here's What Actually Works
Aug 9, 2026 10:01 AMNew Podcast: The Blood Sugar Solution: Food, Fitness, and Supplements
Aug 6, 2026 7:01 AMLDL down up to 32% in 8 weeks. Here's the proof

More from Dr. Mark Stengler

All Dr. Mark Stengler 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.