NSF

Thorne Expands NSF Certified for Sport Line to 60+ Supplements

Summerville – November 05, 2026 -- Shoppers who want supplements verified by an independent body now have more than 60 Thorne products to choose from that carry NSF Certified for Sport status, including the newly certified Protein Optimizer and Vitamin B12.

Thorne describes the lineup as one of the largest in the industry.

The certification covers testing, audits and ongoing monitoring

NSF Certified for Sport combines independent product testing, formulation and label review, manufacturing facility audits and ongoing monitoring. The program helps verify that product contents match label claims. It also checks for unsafe levels of contaminants and tests finished product lots for substances banned by major athletic organizations.