SIGNAL PRO

Formulas change quietly. See when yours does.

Signal Pro keeps checking the supplements in your Locker and emails you the day a formula change is confirmed, with both dated sources attached.

$29.99 billed once a year, about $2.50 a month. Or $3.99 billed monthly. Auto-renews; cancel in Settings. Your Locker stays free either way.

Products we cover
445
Fastest check cycle while watched
7 days
Label checks in the last 30 days
497
What monitoring does while you’re not looking
  1. CheckedMatches your label
  2. CheckedMatches your label
  3. CheckedMatches your label
  4. A value movedHeld until it is proven
  5. ConfirmedTwo dated sources agree
  6. Emailed to youBoth sources attached

A REAL ONE

This is what lands in your inbox.

When it happens to a product you watch, you get this the day it clears review. Not a guess from one page: two dated sources that agree.

FormulaSignalConfirmed Jul 29, 2026

Confirmed change: Beyond Raw LIT V2 Pre-Workout

  • Electrolytes45 mg to 250 mg
  • Creatine monohydrate1.5 g to 3 g
  • L-citrulline3 g to 5 g
See the evidence

Free keeps your Locker. Pro keeps watch.

FeatureFree LockerSignal Pro
Saved products and requestsUp to 24Up to 24
Available dated label referencesYesYes
What changed since you saved itYesYes
Reorder remindersYesYes
Products watched for youUp to 3Up to 10 total
Email the day a change is confirmedOn your free watchesOn every watch
Scheduled source attemptsOn your free watchesOn every watch
Recheck requests each month310
Monthly monitoring receiptNoYes
Nicknames, pins and the Ink lookNoYes

Pick your plan.

Included in both Signal Pro plans

  • Your products, watched

    Up to 10 eligible products. Source checks scheduled every 3–7 days.

  • Evidence in your inbox

    An email when a change is confirmed, with before-and-after evidence.

  • The work, made visible

    A monthly receipt of checks, including partial readings and failures.

START HERE

Your Locker

Every label you buy, dated and kept.

$0 / month

Up to 24 saved products and requests. Watch up to 3 eligible products free. No card.

Build my Locker

Yours to keep. Upgrade whenever you want more watched.

BEST VALUE · SAVE 37%

Signal Pro · annual

A year of monitoring, billed once a year.

$29.99 / year

About $2.50 a month. Saves $17.89 against 12 monthly payments.

$29.99 today · Auto-renews annually. Tax may apply.

Continue · $29.99/year

Cancel anytime. Renews at $29.99 each year. Tax may apply.

LOWER UPFRONT COST

Signal Pro · monthly

Start month to month.

$3.99 / month

Billed $3.99 each month.

$3.99 today · Auto-renews monthly. Tax may apply.

Continue · $3.99/month

Cancel anytime. Renews at $3.99 each month. Tax may apply.

Coverage details and limits

Covered a dated formula is on file. Covered / limit the evidence has a recorded constraint, such as a label not read yet; the product record says what would lift it. Covered / not reading the source is not answering right now, and monitoring tracks that gap. Not available monitoring cannot start on it yet, either because there is no recent valid reading to start a plan against or because monitoring for its category has not opened, so the product stays free.

Unchecked saved products stay in your free Locker. Existing watches keep their place unless you stop them in your Locker. Coverage is a defined set, not the market. Historical depth varies by product. Sources can be incomplete, stale, or unreadable, so monitoring tracks those limits but cannot guarantee every formula change is visible. Your collection, saved references, and research requests stay accessible if you cancel. You can export your Locker any time.

EXAMPLE MONITORING RECEIPT / 2026-10

The work is visible.
Even without an alert.

Counted from the monitoring ledger over 4 real covered products. An example collection, not a customer account.

2

valid checks completed

Through 2026-10-12. No confirmed change is not proof that nothing changed.

Inspect the monitoring record

Before you turn it on.

Can I cancel anytime?

Yes. Manage billing from your account settings and cancel there. Your plan runs to the end of the period you paid for. Your Locker, saved references and requests stay yours. Your earliest 3 watches continue free; additional watches pause.

What do I get without paying?

Up to 24 saved products and requests, available dated label references, published changes, and reorder reminders. Watch up to 3 eligible products free, with email when a change clears review. Saving a product does not start a watch.

What if nothing changes?

You still get a dated account of the checking, including sources we could not read. No confirmed change is not proof that nothing changed. You are paying for the continuing work, not a quota of alerts.

What if my supplement is not covered?

Keep it in your Locker as a free research request. Coverage is U.S. pre-workouts, electrolyte and hydration products, creatine products, and protein powders, plus some adjacent products. Monitoring is open for pre-workouts, creatine products and protein powders, plus some adjacent products. Products in the other covered categories can be saved to a Locker free, and monitoring for them has not opened yet. Requests from other categories help us decide what to research. A request never promises a date or starts monitoring.

How often do you check?

Each covered product has its own schedule. Watched products have source checks scheduled every three to seven days. You can also request an earlier recheck. Your monitoring view shows the scheduled interval, last valid reading, and next due date. These are schedules, not guarantees of successful readings.

Which changes can trigger an alert?

Formula and serving-economics changes can trigger alerts when comparable evidence clears review. Claims and certifications are not yet active alert categories; we do not have qualifying pairs on file. Requests and changed webpages never become alerts on their own.

Does this tell me what is safe to take?

No. FormulaSignal describes dated sources and declared product information. It does not establish safety or effectiveness and gives no personalized dosing or medical advice. This is not a substitute for a clinician. These statements have not been evaluated by the FDA.

Your supplements, watched.

$29.99 a year, about $2.50 a month. Auto-renews; cancel anytime.

Get Signal Pro