Double Wood LLC
Is Double Wood LLC third-party tested?
Yes — as of 2026-09-21, Double Wood LLC holds 5 third-party certifications across 1 independent testing program: NSF (dietary supplement certification). Every certification below links to the certifying body's official listing so you can verify it at the source.
Registries checked (as of 2026-09-21): Informed · NSF (Products are tested for label accuracy and the absence of contaminants.) · USP · Labdoor · BSCG
Certified categories: magnesium
Last verified: 2026-09-21
SupplementSentry found certifications on 5 of Double Wood LLC's products in our index.
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Certification breakdown
- NSF (dietary supplement certification) — 5 products