Directions: The following question contains paragraph with sentence or phrase missing indicated parenthetically. From the alternatives, select the sentence or phrase that best provides the missing link.
There is no area surrounding medical care that has as many experts, most of them hawking some new vitamin or nutritional supplement that will purport to "burn away fat" or transform me into a "muscled man to be envied". You do not have to go farther than the magazines at your home or office to find the vast variety of weight-loss products out there. Yet there is scant evidence for the claims that they make. (_____). It all comes down to the lax rules and regulations for supplements, which are seen as "foods" in the eyes of our advertising regulation system. Lots of money, lots of advertising and enticement, yet very little evidence or results.