34K views · 21 reactions | There’s a lot of science in that little blue NSF certification mark! NSF International tests more than 30,000 products a year. Learn more at www.nsf.org. | NSF | Facebook

21 reactions · 14 shares | Extensive testing - check! Safety verification - check! If you see the NSF mark, you know it’s been rigorously tested and certified! Learn more about us at https://www.nsf.org/blog/consumer. | NSF | Facebook

4.5K views · 1.7K reactions | There's no guessing games with NSF certified products. Trust that the products you're buying will keep you from worrying about their safety: https://bit.ly/3leslD9 | NSF | Facebook

12 reactions | Buy products you can trust. We made looking for the NSF Certified mark easier than ever with this handy search tool at https://bit.ly/3qWSUyw. | NSF | Facebook

Do you have a question about water filters? What about about supplements? Let us help! As an independent global health and safety organization, NSF International tests and certifies products and writes standards for the food, water and consumer goods industries. : [email protected] ☎️: +1.800.673.8010 : Facebook Messenger ℹ️: https://www.nsf.org/consumer-contact | NSF | Facebook

Lead in drinking water has evolved into a nationwide concern. Lead can come from decaying infrastructure underground and fixtures in your home. NSF International is a public health and safety organization which has led development of standards governing water quality. | NSF