Labor Day flow · the retest
The follow-up to the nine-test self-test. It opens on what a standard checkup does not do, names the system that has no reason to measure decline, and asks for a second score. Written to read the same for the 19 people who already have one and the roughly 300,000 who do not.
The email · for approval · Tue Oct 20, 11:00 ET
SUBJECT LINE
Worth knowing, {{ person.first_name|default:'' }} (B: Thinking of you, {{ person.first_name|default:'' }})
PREVIEW TEXT
Nine tests your annual physical will never run.
WRAPPER (live text above the image)
Hey {{ person.first_name|default:'' }},
This is something you need to hear directly from me.
BODY IMAGE (rendered as one PNG, alt text "Your annual physical will not time you getting off the floor")
Your annual physical will not time you getting off the floor.
It will not test your grip. It will not stand you on one leg. It will not measure how fast you cross a room.
Every one of those has been followed forward in a published study to see who was still alive years later. All of them are free. None of them are in a standard checkup.
A system that bills for treatment has no reason to measure decline.
Black Forest did not start because the world needed another supplement company. It started because the people who should be handing you this information are not.
So we built the measurement ourselves. Nine tests. Four domains. Twenty minutes, and six of them need nothing but a floor.
What the research behind them found:
1. Of 1,702 adults who could hold a ten-second one-leg stand, 4.6% had died seven years on. Of those who could not, 17.5% had.
2. Across 139,691 people in 17 countries, grip strength predicted death more accurately than systolic blood pressure did.
3. In 2,002 adults, every single point on the sit-to-stand test meant 21% better survival.
Araujo, Br J Sports Med 2022 · Leong, The Lancet 2015 · Brito, Eur J Prev Cardiol 2014
TAKE THE TEST
Twenty minutes, tonight when you are home. Free, and not on our website.
Why I am sending it a second time.
One score tells you where you stand. Two tells you which way you are going. The page keeps your number now, so running it again puts both side by side and names whether your weakest domain moved or held.
None of these studies show that training a test changes what it predicts. They show the number is worth knowing, and worth knowing twice.
Not to scare you. To give you something you can actually measure.
WRAPPER (live text below the image)
To your health,
Antonio
CEO, Black Forest Supplements
P.S. IMAGE (its own PNG, below the sign-off)
P.S. This test is not listed on our website and it will not be. It stays where it is, for the people on this list. If someone you love needs it, forward them this email rather than the link.
FOOTER
Black Forest Supplements - You are receiving this because you subscribed. Unsubscribe.
LINK ON BOTH IMAGES
https://longevity-predictor-test.blackforestsupplements.com/?s={{ person.four_tests_score|default:'' }}&m={{ person.four_tests_max|default:'' }}&w={{ person.four_tests_weakest|default:''|urlencode }}&d={{ person.four_tests_completed_at|default:'' }}Body image 307 words, P.S. image 39, live wrapper
text 20. Both images carry the personalised URL with all four merge tags and the
urlencode filter. Images rendered from the approved copy at the canon 564px slot; the
designer sets the final artwork.
noindex and is linked nowhere on the store.Yes, now. The first two drafts were not. They obeyed the subject-line rules and had never been seed tested, which is not the same thing.
Drop the exclamation mark. “Worth knowing,” places at 93.1% across its own tests while “Worth knowing, !” places at 77.8% over seventeen. August shipped the version with the mark.
Source: the GlockApps corpus, 613 valid seed tests from 2025-10-10 to 2026-10-09, regenerated by automation/scripts/build_glockapps_reference.py. Pairings via scripts/find_tested_pair.py.
Five lenses, shown apart because they disagree. The story lenses moved up from the previous draft because this version has a villain, a mission beat and real scarcity. Antonio’s number did not move, and will not, because it is a verdict on a product-free slot rather than on the writing.
The forward loop is fixed: the P.S. asks them to forward the email rather than the link, which keeps the page gated while spreading it. Urgency stays deliberate.
The hook is the best line in the email and the offer is exclusive in a way we can prove.
Fear of loss rose because the page genuinely is not public. Nothing was invented to get there.
Over the 250-word band on purpose, matching Friday’s shipped winner at roughly 300 words.
Below the worst flow he rated ($0.47 = 4/10). Measured on the August send, the closest comparable.
This body unchanged, a real button above the image, and a second send two days later built on the weakest domain the page just measured. That is the only place in this sequence a product belongs.
noindex on the page, zero links from the store homepage, checked 19 Oct.Copy on disk at campaigns/labor-day-2026/s2b-retest/,
with the two earlier drafts kept beside it. Araujo, Br J Sports Med 2022;56(17):975-980. Leong,
The Lancet 2015;386(9990):266-273. Brito, Eur J Prev Cardiol 2014;21(7):892-898.
Criterion 5 from automation/scripts/rate_copy_live.py, pulled live 19 Oct 2026.