One powerful argument against self-ownership is that it degrades personhood by leading individuals to view themselves and others as mere instrumental goods, alienable commodities to be exchanged in markets like other products and services. In general terms, this line of criticism (called the “commodification argument”) maintains that a direct and causal relationship exists between certain legal institutions (self-ownership) and certain attitudes (instrumentalism) and that the undesirability of the latter justifies restrictions on the former. In this article, I will critically examine (...) Margaret Jane Radin’s book Contested Commodities (1996), which presents a well-developed, compelling version of the commodification argument. I will advance three central points over the course of the article: first, the purported causal connection between self-ownership and instrumentalism is either weak or nonexistent; second, the commodification argument does little independent moral work, tending instead to be parasitic on arguments against economic, racial, and gender inequality; and third, what independent moral work it does do seems to be directed not so much at self-ownership as at liberal neutrality. I will conclude by showing that the weaknesses of Radin’s diverse defenses of the commodification argument cast doubt upon the anticommodificationist enterprise as a whole. (shrink)