(Photo by: Heidi Gutman/CNBC) Nutrition supplement company Herbalife reported disappointing earnings, and shares slid lower in after-market trading. Herbalife (HLF) reported adjusted profit of $1.55 per share. Analysts expected Herbalife to post second-quarter earnings of $1.57 per share, according to FactSet and MarketWatch. Herbalife has reported better-than-expected earnings for 21 quarters in a row. High-profile investor Carl Icahn [...]