From the rise of GLP-1 drugs to backlash against artificial ingredients, current wellness trends are fueling growth for Smoothie King. "There are significant industry tailwinds behind what we're doing," said Gavin Felder, the chain's president and CFO. "What we've learned is people are a lot more conscious about what choices they're making. A lot of people are focusing on protein now and on fiber and all those good things." Founded more than 50 years ago, the privately held chain takes credit