The F.D.A. can seize products, issue warnings, request recalls and order manufacturers to put more information on product labels.
It also seizes acceptable products, loaves of bread, for instance, if they contain any forbidden meats.
In such cases, the F.D.A. can seize products.
The agency already has authority to seize products that are hazardous to health.
Trading Standards officers in the London Borough of Tower Hamlets have already seized unauthorised products.
It would also make it harder for the F.D.A. to seize products promptly, or demand proof of safety, where there is mounting evidence that a product may be dangerous.
The agency also has issued warning letters, seized products, and criminally prosecuted people responsible for these illegal diet products.
Michigan Department of Agriculture, under its state authority, seized most canned products in the company's warehouses.
Within the last twelve months, the agency has sent more than 100 warning letters and other advisories to Internet firms and has seized products at one firm.
The Food and Drug Administration maintained a standing order to seize certain products formerly imported by one of his companies through Canada.