https://heavymetalcertified.com/requirements/private-label-manufacturersPublished revisions of this Heavy Metal Certified page.https://heavymetalcertified.com/requirements/private-label-manufacturershttps://heavymetalcertified.com/requirements/private-label-manufacturers#revision-bc8f73d326104c90Sun, 27 Sep 2026 07:44:09 GMTWhy heavy-metal testing and certification matter for a private-label manufacturer or co-packer: the statutory obligations attach to the maker, while the reputational and litigation exposure is shared with the retailer whose name is on the pack. How Heavy Metal Tested & Certified turns a co-packer's testing into an independently verified claim the retail customer can rely on, without replacing any legal obligation.