Peer-reviewed sources Board-certified reviewers No industry funding Updated quarterly

Our Methodology

How we evaluate evidence, review products, and maintain editorial integrity.

The Vital File applies a consistent methodology across all content categories. Our goal is to present evidence clearly enough that readers can make informed decisions.

Evidence evaluation

We prioritize: systematic reviews and meta-analyses, individual RCTs, prospective cohort studies, and expert consensus guidelines. We report the level of evidence supporting each claim. When we cite a single study, we note its limitations.

Product testing

Health products are evaluated against their clinical claims using published testing standards. For supplements, we verify third-party testing, review the evidence for each ingredient at the dosed amount, and assess value. For devices, we compare performance against clinical-grade equipment.

Medical review

All articles containing health recommendations are reviewed by a board-certified clinician with relevant specialty expertise before publication.

Corrections

When we make an error, we correct it promptly, note the correction at the top of the article, and describe what changed.

Independence

We purchase all products at retail price. We do not accept free products, sponsored content, or advertising that influences editorial decisions.