THE LOCKER / BY FORMULASIGNAL
Formulas change while the name on the tub stays the same. Keep a dated record of what you actually take, and we’ll keep watching it.
Build my LockerFree to build. No account, no card.
IN MY ROTATION
| Declared value | ||
|---|---|---|
| Caffeine | 150 mg | 200 mg |
| Beta-alanine | 1.6 g | 2 g |
| Observed price | $29.99 | $34.99 |
| Price per serving | $1.00 | $1.17 |
An example collection, not a customer. History already on file, not a new alert.
THE VALUE BUILDS WITH YOU
Keep what you use, what you are considering, and what you used before. A missing product becomes a visible research request. Nothing leaves your browser until you save it to an account.
Saving a covered product freezes a dated source reference. Its label, available history, and evidence limits stay one click away.
Optional monitoring brings confirmed change alerts and a monthly account of what we could read, what we could not, and why.
THE SAME QUESTION, TWICE
“How much caffeine is in C4 Original?”
AN UNDATED ANSWER
150 mg per serving.
150 mg is a real figure. It is what Cellucor’s page declared on Jan 25, 2024. An answer that arrives without its date cannot tell you that.
THE DATED RECORD
200 mg per serving, on the label captured Jul 23, 2026.
The left panel illustrates an undated answer. It is not a quote from any service. Both figures come from the same Cellucor C4 Original record, and the limits on each one are stated there.
TRUST, DOWN TO THE SOURCE
Resolve the exact product and formula version. Capture and date the source. Preserve both states before comparing them. Every summary links back to the research already on file.
Open a product record ↗A changed webpage is a lead. A confirmed Signal needs comparable dated evidence and review. The published finding shows its dates, sources, and limits.
Read confirmed Signals ↗When a source stops answering or a panel is incomplete, your receipt says so. No confirmed change is not proof that a product stayed the same.
See the state of the Record ↗Sources describe what a product declares. They do not establish what is in your particular tub, medical safety, or effectiveness. We give no personal dosing protocols and accept no payment for a conclusion.
The FDA advises speaking with a health care professional before starting a supplement. FDA guidance. The FTC says anecdotal experience is never sufficient to substantiate a health-product effect claim. FTC guidance.
WHERE THE MONEY IS
FREE / NO CARD
Cancel monitoring later and all of this stays.
FROM $7 / MONTH
FIRST, MAKE IT YOURS
Free. No account, no card. Your draft stays on this device until you choose to save it.
THE LOCKER
Build a personal record of your supplements, free. Turn on monitoring for covered products when you want us to keep checking.