Isostar

Isostar belongs to Otsuka Holdings Co., Ltd. through Nutrition & Santé SAS → Otsuka Pharmaceutical Co., Ltd.. Isostar is owned by Otsuka Holdings Co., Ltd., headquartered in Japan. No. The ultimate owner of Isostar, Otsuka Holdings Co., Ltd., is headquartered in Japan, not in the United States.

LAYENBERGER Nutrition Group GmbH is a German company specializing in sports nutrition and dietary supplements, known for its range of products designed to support athletic performance and recovery.