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 and that it has been impartially reviewed and contains verifiable label claims.
“Our facilities have undergone NSF quality control audits for years,” said Nate Buhler, 4Life Chief Global Supply Chain Officer. “It’s great to now showcase the NSF seal on our label for 4Life Transfer Factor Plus Tri-Factor Formula. This seal represents another mark of distinction for our science, our quality, and our manufacturing efforts.”
