Anyone on social media has probably seen advertisements for “nutrition clubs,” featuring colorful “loaded teas” or meal replacement shakes with cookie crumbles, cereal or sprinkles. They look good.

If you’ve ever consulted the internet to find meal replacement shakes or an effective weight loss regimen, chances are you’ve probably come across Herbalife Nutrition and its world-renowned products.

Bill Ackman bets the vitamin maker is about to collapse, but not everyone agrees Bill Ackman bets the vitamin maker is about to collapse, but not everyone agrees Herbalife is one of the largest ...