CARLSBAD, Calif., July 21, 2025 (GLOBE NEWSWIRE) -- Natural Alternatives International, Inc. (“NAI”) (NASDAQ:NAII), a leading formulator, manufacturer and marketer of customized nutritional supplements, announced it has extended its partnership with The Juice Plus+ Company (“Juice Plus+”), a globally recognized leader in plant-based whole-body nutritional products, through the execution of a new multi-year Manufacturing Agreement covering Juice Plus+ capsule and powder products sold in over 24 markets around the world.