A 1994 law unleashed today’s supplement boom and created a $70 billion industry. Here’s why critics say it’s a ticking time bomb. If you were channel surfing in the early ’90s you might have seen a commercial featuring armed Federal officers bursting out of a truck, guns drawn, and make their way into a mansion. Inside, the officers race up a sweeping set of stairs and burst in on the actor Mel Gibson in his kitchen.