Final answer:
There is no official FDA symbol for supplements that meet safety and purity standards, but third-party organizations like USP, NSF, or ConsumerLab provide their own seals. The FDA regulates supplements but does not approve them as pharmaceuticals and requires disclaimers on health claims.
Step-by-step explanation:
The symbol on a supplement label that indicates the product meets minimum safety and purity standards is not standardized globally. In the United States, supplements are regulated by the Food and Drug Administration (FDA), but not as strictly as pharmaceuticals. While supplement products must meet the FDA's Good Manufacturing Standards, they do not have an official 'seal of approval' for safety and purity. However, some supplements may voluntarily undergo third-party testing and display seals from organizations such as USP (United States Pharmacopeia), NSF International, or ConsumerLab, which attest to the product's quality and purity based on the organization's own standards. Consumers should be aware of the labels and understand that the FDA requires supplements to have a disclaimer if they make any health claims, because these are not approved by the FDA. Reading nutrition facts labels on packaged foods and understanding ingredient lists can also aid in making informed choices about dietary supplements among other products.