First catalog. September 2026.

We check the formula, source, lot and pack. You get the paperwork.

Four formulas so far. We check the evidence, source, finished lot and pack, then publish the record. You can inspect every line. The point is that you should not have to.

Shop the formulasSee vitamin C
L-ascorbic acid 15 %, 30 ml amber bottle with white pump and folding carton, Formula 1.0, lot 26-0918-C. Flat on white paper.
First catalog

Four formulas, named plainly

Compare the dose, grade, pack and price per serving. Open any dossier for the studies, source, lot results and exclusions.

The check

Four checks before it ships

A formula can pass the literature and still fail the source, the lot or the pack. One failure means we do not sell it, and the review stays public.

Formula

Outcome, dose, evidence grade and every study we used. Negative results stay in.

How grades work

Source

Manufacturer, origin, specification and allergen statement.

See a source record

Lot

Lab, method, result and the original certificate for the lot in your hand.

Look up a lot

Pack

Every ingredient and every exclusion, with a reason for each.

Read a dossier
Plain language

What numbers replace

A claim without a dose, method or lot cannot be checked.

Instead of
We publish
Made with clinically studied ingredients
L-ascorbic acid 15 %, α-tocopherol 1 %, ferulic acid 0.5 %, pH 3.2. Studies and formulation rationale in the dossier.
Third-party tested for purity
The released lot number, lab, method, specification and result, plus the lab’s certificate.
Stabilized vitamin C, won’t oxidize
L-ascorbic acid at pH 3.2. The stability plan, fill date and 90-day result are published. It turns orange as it oxidizes.
Mixes smoothly, no clumps
No emulsifier. It clumps in a shaker. Use a blender, or accept clumps.
Who checks

A small company with a public method

By the Paper checks supplements and skincare from the paper to the pack, then publishes the checking. We do not ask you to trust a badge or a paragraph about standards. Open the studies, the source record, the lot certificate and the reasons for every exclusion.

Read the nine rules

Waitlist

Be first to know

We are preparing the first release. Join the waitlist and we will tell you when a formula is ready to buy.

One email when a formula is ready to buy, with the price and product page. No weekly newsletter or discounts. Unsubscribe at any time.

Cadence
One email when a formula is ready.
First release
L-ascorbic acid 15 %.
Your address
Used for the waitlist only. Not sold or shared.