Tag: Dietary supplement certification

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Is Source Naturals USP certified? A Comprehensive Guide to Quality and Transparency

Oct 10, 2025 •

4 min read

According to research from the U.S. Pharmacopeial Convention (USP), the USP Verified Mark is the number one recommended seal by healthcare practitioners for dietary supplements. When it comes to the supplement brand Source Naturals, the direct answer is no, its products do not carry the official USP Verified seal.