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Thorne's sign-up flow has a 3-part bottleneck

Apr 9, 2026

Each one makes the next person less likely to convert.

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Swisse's welcome email has a subject line identity crisis

Apr 8, 2026

"We'd like to formally accept your job offer"—for a vitamin brand.

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Stop Aging Now's pop-up asked for more than it delivered

Apr 7, 2026

Email, phone number, and verification code. One of those was pointless.

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Solaray's pop-up turned me away at the door

Apr 6, 2026

This is what their signups look like.

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The bottleneck hiding in SmartyPants' welcome flow

Apr 5, 2026

They nailed the pop-up. Then this happened.

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The welcome email SISU sends doesn't convert

Apr 4, 2026

Here's what's actually broken in their welcome flow.

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Seed skipped the pop-up. Did it work?

Apr 3, 2026

Spoiler: the welcome flow gave away the answer at 10:28 PM.

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Rainbow Light's welcome email arrived in 1 minute (but that's not the problem)

Apr 2, 2026

The real issue is buried inside the pop-up flow.

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The 10% discount Pure Protein forgot to send

Apr 1, 2026

Their pop-up confirmed it. Their email never came.

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Orgain's welcome email has a hidden problem

Mar 31, 2026

I signed up at 1:55 AM and found it.

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Email Rev Lab

Daily Klaviyo audits that show supplement brands their revenue leaks.

© 2026 Email Rev Lab: Daily Klaviyo audits that show supplement brands their revenue leaks.
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