What does a USP Verified or NSF certification indicate about a supplement?

• A. Independent third-party testing for quality, purity, and potency.
• B. FDA approval for safety.
• C. They are safe for everyone.
• D. They must be locally sourced.

Answer: (A)

Independent third-party testing for quality, purity, and potency. When a supplement carries USP Verified or NSF certification, it means an external organization has independently evaluated the product to confirm that the ingredients match the label, that the amounts are accurate, and that the product meets defined quality and purity standards under specified manufacturing controls. This verification is voluntary and provides extra assurance beyond what the manufacturer claims.

It's important to note that these marks are not FDA approval, nor do they guarantee safety for everyone or imply local sourcing. They indicate a higher level of quality assurance through third-party testing and certification, helping you assess reliability beyond the label.