Learn how to say Collagen correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word collagen:
a fibrous scleroprotein of connective tissue and bones that is rich in glycine and proline and yields gelatine on boiling
collagenic (ˌkɒləˈdʒɛnɪk Pronunciation for collagenic ) , collagenous (kəˈlædʒənəs Pronunciation for collagenous ) adjective
C19: from Greek kolla glue + -gen