Collagen is hot. Ancient Nutrition seeks to capitalize on it. : Ancient Nutrition, the maker of a bone broth protein supplement, has landed a $103 million minority investment led by private equity firm VMG partners and including Hillhouse Capital and Iconiq Capital. More than 100 industry veterans also participated in the round, including founders and current and former CEOs of brands such as Pop Chips, Peets Coffee, Bear Naked Granola, Annie’s, Justin’s, Barry’s Bootcamp, Stonyfield, Stone Brewing, the Honest Company, Brandless, Rudi’s, SkinnyPop, BarkTHINS, Celestial Seasonings, and Noosa Yogurt.