NSF Product and Service Listings

These NSF Official Listings are current as of Saturday, October 10, 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=Vitamin+K&CompanyName=Thorne&Standard=173&


NSF/ANSI Standard 173
Dietary Supplements


 
Thorne® 
620 Omni Industrial Boulevard
Summerville, SC 29486 
United States 
800-228-1966
Visit this company's website

Facility : Summerville, SC

Finished Products

Trade Designation Product ID Product Form Manufacturer's Recommended
Daily Serving Size
Immune Aid/Vitamin
Thorne® Vitamin K All Capsule 2 Capsules

Facility : Pleasant View, UT

Finished Products

Trade Designation Product ID Product Form Manufacturer's Recommended
Daily Serving Size
Cardiovascular Health/Vitamin
Thorne® Vitamin K2 All Liquid 45 drops

Number of matching Manufacturers is 1
Number of matching Products is 2
Processing time was 0 seconds