Read the Federal Meat Inspection Act for yourself and decide.
Title 21 – FOOD AND DRUGS – CHAPTER 12 – MEAT INSPECTION – SUBCHAPTER I – INSPECTION REQUIREMENTS; ADULTERATION AND MISBRANDING – Sec. 601 – Definitions
As used in this chapter, except as otherwise specified, the following terms shall have the meanings stated below:
(m) The term “adulterated” shall apply to any carcass, part thereof, meat or meat food product under one or more of the following circumstances:
(1) if it bears or contains any poisonous or deleterious substance which may render it injurious to health; but in case the substance is not an added substance, such article shall not be considered adulterated under this clause if the quantity of such substance in or on such article does not ordinarily render it injurious to health;
(2)(A) if it bears or contains (by reason of administration of any substance to the live animal or otherwise) any added poisonous or added deleterious substance (other than one which is (i) a pesticide chemical in or on a raw agricultural commodity; (ii) a food additive; or (iii) a color additive) which may, in the judgment of the Secretary, make such article unfit for human food;
(4) if it has been prepared, packed, or held under insanitary conditions whereby it may have become contaminated with filth, or whereby it may have been rendered injurious to health;