The government agency that enforces consumer protection laws by investigating false or misleading health-related claims is the agricultural research service (ars). centers for disease control and prevention (cdc). environmental protection agency (epa). federal trade commission (ftc).

I believe the answer is: federal trade commission (ftc)

The federal trade commission (ftc) is created with the sole purpose to prevent organizations in united states from conducting bad business practice. Its program include things such as consumer protection, Establishing clear competing law, prevention of coercive monopoly, etc.