When buying a vitamin or mineral supplement, look for on the label, which signifies that an independent group of scientists has reviewed the product for purity, strength, and quality.

USP

Explanation:

The United States Pharmacopeial Convention (USP) is an organisation which was founded in 1820. The USP aims that the consumers revived the good quality food and supplements which ensures the health of the consumer.

So when we buy a dietary supplement and medicine we look for the USP mark which indicates that the ingredient is present according to the label and are dissolved in the specified time and that the product has been prepared in the well sanitary conditions.

Thus, USP is correct.

alzheimer's disease;