"Diets low in sodium may reduce the risk of high blood pressure" is an example of a health claim allowed on a food label and is reliable because the FDA has substantial scientific support for the claim.

a. True
b. False

This is TRUE.

Explanation: The FDA is the initialism for Food and Drug Administration, a United States federal regulatory body. They are specialised in the regulation of food and drugs sold to consumers.

Making a claim as "Diets low in sodium may reduce the risk of high blood pressure" can only be allowed on food labels by the FDA because they are a regulatory body that permits such and they have substantial scientific support for the claim.