Sun Capital Acquires CornerStone

An affiliate of Sun Capital Partners, Inc., a private investment firm, has acquired CornerStone Research & Development, Inc., a global contract manufacturer of vitamins and dietary supplements, from Mitsui & Co., Inc. CornerStone is a “pure-play” nutritional supplement manufacturer in the U.S. that develops, produces and packages more than 500 different capsule, tablet and specialty powder products for its customers. The company also manages the formulation, design and product sourcing process for its customers. Its packaging capabilities include bottles, capsules, tablets, blister cards, pillow-packs and bulk packaging. Sun Capital has prior experience in the nutraceutical industry with former affiliated portfolio company Elan Nutrition, a formulator and manufacturer of snack and nutrition bars.