Tag: Certificates of analysis

Raw fish oils often contain environmental toxins that accumulate in the fish's lifespan, which is why consumers frequently ask, *is Nordic Naturals tested for heavy metals*? The good news is that every batch of Nordic Naturals fish oil undergoes rigorous, third-party testing to ensure exceptional purity and safety.

With the supplement market valued at billions of dollars annually, the responsibility for ensuring product safety and quality largely falls on the manufacturers themselves, as the FDA does not approve supplements before they are sold. This means that consumers must become savvy investigators, especially when purchasing bulk supplements, to determine if they are truly lab tested.