what are peptides?

Preview text: and should you take them?

Bryan JohnsonTuesday, Sep 22, 2026 at 8:30 AM EasternKlaviyo
Bryan Johnsonwhat are peptides?
Subject
what are peptides?
Preview text
and should you take them?
From
hello@bryanjohnson.com
Sent
Tue Sep 22, 2026, 8:30 AM ET
Sent to
handsonline.org
Size
70 KB
Images
12
Links
27, 2 of them buttons
Subject length
18 characters

Against Bryan Johnson's usual

Sent in the 8 AM hour, which holds 12% of its emails; 20% arrive in the 1 AM hour. The subject is 18 characters; its average is 25.

Report this email

Sent just before and after

Sep 27, 2026 8:45 AMcould this macronutrient help you live longer?
Sep 26, 2026 7:07 AMget $30 cash back with Amex
Sep 25, 2026 11:11 AMthis slows cell aging
Sep 22, 2026 8:30 AMwhat are peptides? (this email)
Sep 20, 2026 8:45 AMsomething dramatic happens at age 44
Sep 15, 2026 11:11 AMwhy do I love berries so much?
Sep 13, 2026 6:45 AMhow to make a Longevity Mix smoothie

More from Bryan Johnson

All Bryan Johnson emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Sep 22, 2026.

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.