How we work.

Our standards in one paragraph

The 40 Method’s methodology is to research the dominant options in a category, compare specifications, read user reviews across multiple platforms, check recall databases, and publish a curated list with explicit reasoning. Where hands-on testing adds real information, we test and say so. Where research is the honest method, we research and say so. We never fake hands-on experience we don’t have.

How we choose products

1. We start with the category, not the products. The first question is always “what does the woman in this stretch of life actually need from this category?”
2. We research the dominant options, including the ones we won’t recommend. The picks that are obvious to industry insiders, the picks that algorithms surface, the niche options serious users swear by — all considered.
3. We read user reviews across platforms. Recurring themes across Amazon, brand sites, Reddit, and independent retailers tell a different story than star ratings alone. We weight recurring themes; we discount reviews that read as paid or templated.
4. We compare specifications, certifications, and third-party testingwhere the data exists. We name the certifications we trust and the ones we don’t.
5. We check recall databases — CPSC for consumer products, FDA for supplements and devices — before any product is published or republished.
6. We name what we rejected and why. The absence of a recommendation is information.

How we test (and what we don’t test)

Every guide on this site carries a methodology label visible above the fold:

• Hands-on tested — for categories where we physically use the product and where the test adds information.
• Researched and compared— for categories where hands-on testing is impractical, expensive, or doesn’t add real information beyond specifications and user-review patterns.
• Researched and ingredient-reviewed — for supplements, where we read labels and compare third-party test reports.
• Researched, compared, and recall-checked — for categories where safety is the first concern (e.g., adjustable dumbbells, electrical devices).

We don’t fake hands-on testing. If we haven’t worn the shoes, we don’t pretend we have. If we haven’t taken the supplement for three months, we don’t write “after three months of taking this.” Some categories warrant hands-on; many don’t. Either way, the label is visible and the reader can decide what to do with it.

How we update guides

Buying guides on The 40 Method are reviewed at least quarterly. Reviews are reviewed every six months. Pillar guides are reviewed annually. Specific triggers cause an immediate update:

• A product on our list is recalled by CPSC or FDA
• A product on our list is discontinued by the manufacturer
• A product’s formula, materials, or warranty changes meaningfully
• A new product enters the category that meaningfully changes the lineup

The last-checked date is visible at the top of every guide. Updates that don’t change the substance don’t bump the date.

How we handle medical-adjacent topics

Most of what we cover is Level 0 in our medical risk system — lifestyle, equipment, comfort. Walking shoes, adjustable dumbbells, journals, sleepwear: these don’t require medical framing.

When a topic touches health more directly — supplements that affect physiology, devices that interact with skin, products with dosing decisions — the article carries a medical disclaimer and the recommendation language stays cautious. Magnesium for evening routines is Level 2: we cover it with care, with disclaimers, and without efficacy claims beyond what manufacturers state.

We do not cover Level 3 topics (HRT, treatment comparisons, clinical recommendations). Those require a real medical reviewer. We don’t have one, so we don’t publish in those categories. Read the full medical disclaimer.

What we will not do

• We will not recommend products we wouldn’t recommend to someone we know.
• We will not accept payment for placement.
• We will not write sponsored content disguised as editorial.
• We will not use fake reviewer credentials or invent testers, personas, or founders.
• We will not recommend products for the medical treatment of conditions that need clinical care.
• We will not publish guides that depend on hands-on testing we haven’t done.

How we make money

We earn affiliate commissions on some products we recommend. Those commissions don’t influence which products we choose. Read the full affiliate disclosure.

How to flag an error

Editorial corrections are the fastest queue we run. hello@the40method.com — flag the page, the issue, and the source if you have one. We’ll respond, fix what’s broken, and date the correction visibly.