 This led to increased sales for Twinlab's liquid protein.As with many fad diets, the fasting/liquid protein craze came to a halt when in late 1976 and early 1977 there were reports of the deaths of 58 people who had followed Linn's diet.Following a U.S. Food and Drug Administration (FDA) investigation the associated coverage of the popular diet and its potential side effects by Newsweek, Parents' Magazine, and Science Digest, the liquid protein market bottomed out, and Twinlab's revenues declined sharply forcing the company to cut nearly all of its 150-person workforce.