Herbalife stocks closed at $38.14, a 31.8% loss over the course of one week. Herbalife Ltd. is a network marketing company that sells weight management, nutritional supplement and personal care products. The Company sells its products globally through a LOS ANGELES (AP) — Herbalife says it has agreed to settle a lawsuit that claimed the company’s business structure and marketing practices violated federal and state laws. The weight loss and nutritional supplements company did not elaborate in its SUPPLEMENT SLUMP: Herbalife shares sank in after the company reported disappointing third-quarter results and a weak outlook late Tuesday. The seller of supplements and weight-loss products reported a profit of $11.2 million, or 13 cents per share .