The collagen your body actually uses.

Preview text: Learn how hydrolysed collagen peptides are designed for optimal absorption and daily…

Thursday, Aug 13, 2026 at 5:03 AM EasternKlaviyo

Proto-colThe collagen your body actually uses.

Image not available

No image available for this email.

Subject: The collagen your body actually uses.
Preview text: Learn how hydrolysed collagen peptides are designed for optimal absorption and daily…
From: hello@proto-col.com
Brand: Proto-col
ESP: Klaviyo
Sent: Thu Aug 13, 2026, 5:03 AM ET
Sent to: United Kingdom (proto-col.co.uk), proto-col.com
Size: 77 KB
Images: 19
Links: 24, 9 of them buttons
Subject length: 37 characters

Against Proto-col's usual

Sent in its busiest hour, 5 AM, which holds 43% of its emails. The subject is 37 characters; its average is 38.

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.

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

	Aug 21, 2026 5:30 AM	Skin after 40: what really works?
	Aug 19, 2026 5:30 AM	Save on joint relief today.
	Aug 17, 2026 5:30 AM	See better results from your collagen routine
	Aug 13, 2026 5:03 AM	The collagen your body actually uses. (this email)
	Aug 8, 2026 5:01 AM	Which collagen is right for you?
	Aug 6, 2026 5:00 AM	Why your routine might not be working...
	Aug 2, 2026 5:00 AM	Start August Differently.