Supplement certifications play a critical role in ensuring product quality, purity, and transparency. This page explores major third-party certification programs such as USP Verified, NSF Certified, and Informed Choice, explaining how each contributes to consumer confidence, safety, and regulatory trustworthiness. Understanding supplement certifications empowers smarter, evidence-based decisions in a market often clouded by marketing claims.
Not all supplement certifications are equal. If you’ve ever spotted seals like USP Verified or NSF Certified for Sport on a bottle, you’ve likely asked: Can I actually trust this?
This hub explores the most respected third-party certifications for supplements—what they test for, how they’re awarded, and whether they make a product safer or more effective.
In the U.S., dietary supplements aren’t required to prove purity, potency, or effectiveness before going to market. Third-party testing programs help fill the gap by verifying:
We break down the science and credibility behind leading supplement quality seals — so you can separate marketing from meaningful standards. Below, you’ll find all articles in this category.
A certified product might be clean, but that doesn’t mean it’s effective. At Sighed Effects, we evaluate both the testing — and the science behind the label.
Not all supplement seals mean the same thing. Compare USP, NSF, Informed Choice, Labdoor, and more to find out which certifications actually test for quality,...
Read more →
A global guide to supplement certifications: Learn how Australia, Canada, Europe, Japan, China, and South Korea regulate and approve supplements for safety, claims, and quality.
Read more →
BSCG certification helps verify that supplements are free from banned substances. Learn how it works, what it covers, and how it compares to NSF, USP,...
Read more →
In-house testing supports supplement quality control—but only independent labs can deliver objective, consumer-facing verification. This article breaks down the strengths and limits of each.
Read more →
A science-based guide to independent supplement testing—what it is, how it works, and why it matters. Learn how to evaluate third-party lab reports, identify red...
Read more →
Labdoor Certification offers a rare look inside your supplements. This guide explains how Labdoor tests products, what the scores mean, and how to use them...
Read more →
Informed Choice is one of the most respected supplement certifications for athletes and informed consumers alike. Here’s what the mark really means—and why it matters.
Read more →
The USP Verified Mark is one of the most trusted third-party certifications in the supplement industry. This in-depth guide explains what it means, how it...
Read more →
NSF Certified for Sport is more than a label—it’s a high-stakes quality system trusted by athletes, teams, and medical professionals. This in-depth guide breaks down...
Read more →Medical Disclaimer: This content is for educational and informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare professional before making changes to your supplement regimen, especially if you have preexisting conditions, are taking medications, or are pregnant/nursing. Consult your healthcare provider before use, especially with medical conditions or medications.
Navigate to different sections of this content
