Tag: Kirkland omega 3

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Is Kirkland Omega-3 Third-Party Tested? What the Labels Say

Dec 12, 2025 •

4 min read

According to Nutrasource, a leading provider of supplement certifications, thousands of products undergo third-party testing to prove their quality. But when it comes to the popular Kirkland brand, the question remains: is Kirkland Omega-3 third-party tested?

Does Kirkland omega-3 have mercury? An analysis of safety and purification

Nov 16, 2025 •

6 min read

According to manufacturer claims and independent testing, high-quality fish oil supplements like Kirkland omega-3 contain virtually no mercury due to advanced purification processes. This is in stark contrast to the potential mercury levels found in certain types of whole fish.