That was SlimFast’s pitch to consumers in the 1980s ... The product attached itself to the keto diet fad which helped. But then came two big sledgehammer blows. [ Glanbia shares plummet 23% ...

The Jenny Craig Diet is followed by the SlimFast Diet (3.6 rating), Keto Diet (3.6 rating), Nutrisystem Diet (3.6 rating), WeightWatchers (3.6 rating), South Beach Diet (3.4 rating), and Atkins ...

Keto, paleo, low-carb, low-calorie — there are hundreds of diets on the market. Remember when SlimFast convinced everyone that drinking milk protein concentrate would make them drop two pants sizes?