NSF Product and Service Listings
These NSF Official Listings are current as of Friday, November 13, 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?TradeName=Magnesium+Glycinate+400&CompanyName=Double+Wood&
NSF/ANSI Standard 173
Dietary Supplements
Dietary Supplements
| Double Wood LLC | |
| 205 Elmwood Avenue | |
| Sharon Hill, PA 19079 | |
| United States | |
| 570-437-0203 |
Facility : Temple, AZ
Finished Products
| Trade Designation | Product ID | Product Form | Manufacturer's Recommended Daily Serving Size |
| Mineral | |||
| Magnesium Glycinate 400 mg | All | Capsules | 4 capsules |
Facility : Twin Falls, ID
Finished Products
| Trade Designation | Product ID | Product Form | Manufacturer's Recommended Daily Serving Size |
| Mineral | |||
| Magnesium Glycinate 400 mg | All | Capsule | 4 capsules |
Facility : Farmingdale, NY
Finished Products
| Trade Designation | Product ID | Product Form | Manufacturer's Recommended Daily Serving Size |
| Mineral | |||
| Magnesium Glycinate 400 mg | All | Capsule | 4 capsules |
Number of matching Manufacturers is 1
Number of matching Products is 3
Processing time was 0 seconds

