4Life Transfer Factor Plus Receives NSF Contents Certification
Salt Lake City, UT (October 16, 2023) 4Life® Transfer Factor Plus® Tri-Factor® Formula is now contents certified by the NSF. 4Life’s Transfer Factor Plus Tri-Factor Formula has been contents certified by the NSF, a product testing, inspection and third-party certification organization. This recognition symbolizes that the product has met strict standards for public health protection […]
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