NSF Consumer Information: About NSF : Ask a Question

> About the NSF Mark
> Athletic Banned Substances
- » Program Overview
- » List of Prohibited Substances
- » Additional Links
- » Search for NSF Certified Products
- » Receive Email Updates
- » Contact NSF
> Bottled Water
- » Types and Treatment of Bottled Water
- » The NSF Bottled Water Certification Program
- » Frequently Asked Questions
- » Search for NSF-Certified Products
- » Contact the NSF Consumer Affairs Office
> Consumer Fact Kits
> Dietary Supplements
- » Functional Foods and Beverages
- » NFL/NFLPA Program
- » Search for NSF Certified Products
- » Additional Links
- » Receive Email Updates
- » Contact NSF
> Drinking Water
- » Contaminant Guide
- » Contaminant Testing Protocols
- » Drinking Water Week
- » Home Water Treatment
- » Homeland Security
- » Pharmaceuticals in Water
- » Rainwater Collection
- » Water Fact Kit
- » Water Quality / Consumer Confidence Reports
- » Watershed Protection
- » Well Water
- » Frequently Asked Questions
- » Search for NSF-Certified Products
- » Contact the NSF Consumer Affairs Office
> Faucets
- » Search for NSF-Certified Products
> Food Safety
- » Cold Storage Chart
- » Food Safety Fact Kit
- » Frequently Asked Questions
- » Handling Food Safely
- » Keeping Leftovers Safe
- » Proper Cooking Guidelines
- » Protect Against Foodborne Illnesses
- » Safe Holiday Cooking
> Functional Foods and Beverages
- » Dietary Supplements
- » NFL/NFLPA Program
- » Search for NSF-Certified Products
- » Additional Links
- » Receive Email Updates
- » Contact NSF
> Indoor Air
> News for Consumers
> NFL/NFLPA Program
- » Dietary Supplements
- » Functional Foods and Beverages
- » Search for NSF-Certified Products
- » Additional Links
- » Receive Email Updates
- » Contact NSF
> Online Health Resource Links
> Organic Certification
- » Organic Standards Summary
- » Quality Assurance International
- » Additional Links
- » Frequently Asked Questions
- » Contact the NSF Consumer Affairs Office
> Playground Safety
- » Checking Your Community's Sports Facilities for Safety
- » Preventing Dehydration and Heatstroke
- » Avoiding Playground Hazards
- » What You Need to Know If You Live Near Water or Have a Pool
> Plumbing
> Recreational Water Safety
- » Safety Tips
- » Standards for Equipment
- » Additional Information
- » Search for NSF Certified Products
> Residential Appliances
> Scrub Club®
> Search for NSF-Certified Products
> Wastewater Treatment Systems
- » Alternative Residential Systems
- » Compost Toilets
- » Incinerating Toilets
- » Septic Systems
- » Septic Tank Filters
- » Chlorine Disinfection
- » Additional Links

Look for the mark and you'll find a safer product.

You can send your questions to NSF International directly from this page. Please fill out the form and press the send button. We will read and respond to all questions.