NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, January 15, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/Dietary/Listings.asp?Company=C0876137&Standard=173&

NSF/ANSI Standard 173
Dietary Supplements

 
21st Century HealthCare, Inc. 
443 W. Alameda Dr.
Tempe, AZ 85282 
United States 
480.966.8201

Facility : Tempe, AZ

Finished Products

Trade Designation Product ID Product Form Manufacturer's Recommended
Daily Serving Size
Men/Senior/Vegan/Vegetarian/Vitamin/Women
21st Century Prolonged Release B-12 1000 mcg All Tablet 1 tablet
Vitamin
21st Century D3 50 mcg (2000 IU) All Softgel 1 softgel
21st Century ONE DAILY Men’s Health All Tablet 1 tablet
Women
21st Century ONE DAILY Women’s All Tablet 1 tablet
Number of matching Manufacturers is 1
Number of matching Products is 4
Processing time was 0 seconds