COSCIENS Biopharma Inc., a life science company, develops and commercializes products for the cosmeceutical, nutraceutical and pharmaceutical markets in the United States, Germany, Colombia, the United Kingdom, and internationally. It operates through Active Ingredient and Pharmaceutical segments. The company offers active ingredients comprising oat beta glucan, a chewable for cholesterol reduction; beta glucan from yeast, a nutraceutical-capsule used as an immune booster; and avenanthramides, a nutraceutical-chewable formulation used to reduce inflammation for the healthcare and cosmetic industries. It also provides Macrilen/Ghryvelin (macimorelin), an orally available peptidomimetic ghrelin receptor (GHSR-1a) agonist that stimulates the secretion of growth hormone by binding to the GHSR-1a for the diagnosis of patients with adult growth hormone deficiency and childhood-onset growth hormone deficiency, as well as for endocrinology and oncology indications. The company sells its products through its distribution network. It has license agreements with Pharmanovia, MegaPharm Ltd., ER Kim Pharmaceuticals Bulgaria Eood, and NK MEDITECH Ltd, as well as Agriculture Canada and University of Alberta. The company was formerly known as Aeterna Zentaris Inc. and changed its name to COSCIENS Biopharma Inc. in August 2024. COSCIENS Biopharma Inc. was incorporated in 1990 and is based in Toronto, Canada.