Stability & Shelf-Life

Is your shelf life proven — reviewed, or built?

Two ways in. Have a stability program? Get an independent read on whether the data proves the date and the package hold up, at the depth you choose. Need one? Send your product and packaging and we build the stability program from scratch.

The trendA printed date isn’t a proven one

A shelf life is a claim about the future, and only stability data built to test the product’s real failure mode can support it. The recurring gap that draws findings: an expiration date carried by a study that was never designed to prove it — most visibly where oxidation, moisture, or potency loss is how the product fails.

FDA drug GMP — 21 CFR 211.166 (stability testing) · ICH Q1A
What this is

Whether the date and the package hold — against the rules, and against your own data.

A stability program is the proof that a product still meets its quality attributes through the dated shelf life — in the package it ships in, against the failure mode that threatens it. We judge the stability data you hold, or build the program you’re missing, against the recognized standard (ICH Q1A and the governing rule) and against what your own data shows, not just whether a date is printed on the label.

Stability & Shelf-Life Defensibility Review

An independent regulatory opinion on the stability program you already have — does it hold up. Start at the base; add the records that take the read past the paper.

What this covers
  • Shelf-life / expiration dating
  • Storage-condition & labeling-claim support
  • Stability study design — ICH Q1
  • Stability protocol & data defensibility
  • Container-closure / packaging qualification (barrier)
  • Accelerated vs real-time shelf-life justification
What you get back

A clear written verdict on whether your date and package hold up — signed, ready to file in your quality system or use to fix a gap before an inspection instead of after. Each part read against the rule and against your records, with a clear conclusion and what it would take to address it. Not a contract lab’s storage invoice and not a template protocol — an independent verdict on your specific product — and we have no chamber, assay, or hours to sell. It’s built to catch the shelf life that reads proven and is only assumed.

What a review catches

A worked program — a confident “Best By” date on a product whose real failure was never tested.

A constructed example: a marine-oil supplement with a spec, a COA, and a 24-month date on the label. Here is what the deeper read surfaced once the spec, the data, and the package were opened — each catch tied to the real rule.

Specimen drawn from the Fresh Start™ case — a rancidity-prone oil dated with no stability behind it
01The shelf life was printed with no stability study behind it.
Reads asA 24-month “Best By” date on the label and the COA.
Hiding in itNo stability study underlies the dating — no time points, no conditions, no data. The date was asserted, not justified.
Why it mattersA shelf life is a claim about the future that only data can support. A confident date with nothing behind it is the first thing an inspector pulls the thread on.
ICH Q1A · expiration-dating basis
02The one thing that makes the product fail — oxidation — was never tested.
Reads asA COA full of conforming assays: omega-3 content, identity, micro.
Hiding in itNo peroxide value, no p-anisidine, no TOTOX, no free-fatty-acid — no oxidation limits anywhere — on a highly oxidation-prone marine oil.
Why it mattersFor a marine oil, oxidation is the shelf-life failure. A spec without TOTOX can’t see rancidity; the COA conforms because it never looks where the product breaks.
GOED voluntary monograph · PV / AnV / TOTOX limits
03The package was never shown to protect the oil.
Reads asA finished softgel with a dated shelf life.
Hiding in itFilled at ambient with no inert/N&sub2; purge, no oxygen-barrier shell, no in-package stability — the dating leans on a basis the marketed package never showed.
Why it mattersStability has to be shown in the package that ships. An oxidation-prone oil in an unqualified container degrades where the data never looked.
ICH Q1A · container-closure / in-package stability
!The label guarantees a freshness the data never checked.
Reads as“Guaranteed Ocean-Fresh Purity,” “store in a cool, dry place.”
Hiding in itNo oxidation testing stands behind the freshness guarantee, and no refrigerate-after-opening / protect-from-light for an oxidation-prone oil.
Why it mattersA freshness guarantee with no oxidation data is unsubstantiated — and it inverts by mid-shelf, when the untested oil has already turned.
Claim substantiation · storage statement
Build your review
Standardthe baseline the field expects
Included
The stability case, on its face$800
Reads the stability summary and the shelf-life claim it supports against the standards and rules that apply to your product — whether the case is complete and defensible on its face, before any deeper record.
You send: A summary of your stability study and the shelf-life or expiration claim it supports.Also called: stability summary, shelf-life report, stability study summaryFull details on the Records page
Optional add-on — tap to add
The data supports the claim+ $375
A shelf-life claim is only as good as the data behind every pull point. Send your stability results and we check whether the product stays in spec from release through the end of the claimed life — not just at the first and last timepoint, but across the curve that proves it holds.
You also send: Your executed stability results — the pull-point data used to check the product stays in spec across the claimed life.Also called: stability results, pull-point data, time-point dataFull details on the Records page
Exceeding Standardstested against the study and the package
Optional add-on — tap to add
The study design proves the claim+ $600
Good-looking data from the wrong study still does not prove the claim. Add your study protocol and we check whether the conditions, duration, pull-point spacing, and parameters were designed to support the specific shelf life you claim — the gap that lets accelerated data stand in for a real-time claim it cannot carry.
You also send: The stability study protocol — conditions, duration, pull-point spacing, and parameters tested — used to check the design proves the claim.Also called: stability protocol, study design, ICH Q1 protocolFull details on the Records page
Optional add-on — tap to add
The container-closure supports the claim+ $750
The product is only as stable as the package it ships in. Add your container-closure information and we check whether the package was qualified to hold the moisture, oxygen, and light barrier the product needs through its claimed life — the bottle or pouch that quietly undoes a formula that was stable on its own.
You also send: The qualification of the package — moisture, oxygen, and UV barrier — used to check it maintains stability through the claimed life.Also called: container-closure qualification, packaging barrier data, CCS qualificationFull details on the Records page

If your program can’t be given a clean opinion on what you send, you get a straight report on what’s missing instead, at the same fee.

Your review$800base only

Stability & Shelf-Life Program Development

No defensible stability program yet? Send your product and packaging and we build it from scratch — one flat fee, built to justify the date and stand on its records.

What this covers
  • Shelf-life / expiration dating
  • Storage-condition & labeling-claim support
  • Stability study design — ICH Q1
  • Stability protocol & data defensibility
  • Container-closure / packaging qualification (barrier)
  • Accelerated vs real-time shelf-life justification
What you get back

The built stability program, ready to execute and file. It states what has to hold through shelf life, gives an ICH Q1A study design with the right conditions and time points, and ties the stability-indicating attributes to how your product degrades. From that follow the dating justification, the in-package basis, and the ongoing-stability and revalidation logic — grounded in how your product fails, not a template for a different one. And where the product can’t hold to the date you want as it stands, you get the honest path to fix it — a shorter date, a better package, added protection — at the same price, never a program tuned to print the date anyway.

What you send

The specifics we build from: the product and how it fails; your package and storage — what it ships in and the date you need; and any existing stability or spec records you already have.

What this builds

The same product, with no defensible program — the calls we made, and why.

Nothing to catch on a build: you send the product and the package, and the reasoning is the work. Here is the same constructed marine-oil supplement — a rancidity-prone oil in a softgel — brought to us to build a stability program from scratch, and the call we made at each step.

You send the product, the package, and any existing records — the starting context lives on the Fresh Start™ case
01We set the oxidation limits and designed the study to test them.
We put peroxide, p-anisidine, TOTOX, and free-fatty-acid on the spec against the GOED voluntary-monograph limits and into the stability design — so the program tracks the failure that threatens the oil.
GOED voluntary monograph · PV / AnV / TOTOX
02We designed a real-time ICH Q1A study to justify the date.
We designed the study to the right storage conditions and time points, so the shelf life is justified from the data — instead of a date with nothing behind it.
ICH Q1A · expiration-dating
03We designed the proof it holds in the real package, and the program to keep it there.
We designed in-package stability in the actual container — barrier, inert headspace, storage statement — and an ongoing-stability commitment with revalidation triggers, so the date holds where the product lives.
ICH Q1A · container-closure / ongoing
!And the honest fork, up front: if it can’t hold to the date, we say so.
Where the oil can’t hold the freshness limits to the date you want, we said so and gave the path — shorten the date, change the package, add protection — rather than a program tuned to print the date regardless.
Product / package capability basis
Built stability program$5,750fixed price
Common questions

Straight answers.

My contract lab already runs my stability. Isn’t that covered?

A lab runs the assays you ordered, on the schedule you set — it doesn’t decide whether the design tests the right failure mode or whether the data justifies your date. That judgment is the gap a storage contract leaves, and it’s what we read.

Isn’t a template protocol cheaper?

Much. And it hands you a generic ICH outline and leaves the hard part — the real degradation pathway, the stability-indicating attributes, the in-package basis, the dating justification — for you to derive and defend. You’re buying the judgment a blank protocol can’t give you.

Do you run the stability study or the assays?

No. The review judges your program; the build writes it. Neither runs the chambers nor the assays — that keeps the opinion independent of anyone selling you storage or testing. You execute it in-house or with whatever lab you choose.

What if the product can’t hold to the shelf life I want?

You get told that plainly, at the same fee. We don’t write a program tuned to print the date anyway. Sometimes the answer is a shorter date, a better package, or added protection — we lay out the path and you decide.

Can accelerated data alone justify my date?

Accelerated data supports a provisional date and a trend; a defensible shelf life is confirmed by real-time data at the labeled conditions. We check whether your basis matches what you’re claiming — and what real-time commitment the date still needs.

Is this legal advice?

No — it is an independent regulatory opinion or a built work product, not legal counsel, and it creates no attorney-client relationship. If your question is whether the stability program holds up against the rule and your data, that is ours.

More on this subject

Where to go from here.

Regulatory work product, not legal advice. A deliverable is prepared from the records you submit and is not legal counsel, not a guarantee of any regulatory or customer outcome, and forms no attorney-client relationship. It is a document review or build — not a GMP audit, not stability-study execution or laboratory testing, and not the disposition or release decision. Where the records provided can’t support a defensible result, we deliver a findings report on what’s missing instead. Fresh Start™ is a constructed teaching case; no real company or product is depicted.