(ɪntrɪnsɪk ) adjective [ADJECTIVE noun] If something has intrinsic value or intrinsic interest, it is valuable or interesting because of its basic nature or character, and not because of its connection with other things. [.] [formal] intrinsically (ɪntrɪnsɪkli ) adverb [ADVERB adjective] See full entry for 'intrinsic'

Intrinsic factor is key for supporting energy, metabolism, and mental health by working with one nutrient — vitamin B12. Why Is It Important? To understand the importance of intrinsic factor, it’s necessary to understand the importance of B12. Vitamin B12 is involved in the metabolism of every cell in the human body.

Intrinsic semiconductors, also known as pure or undoped semiconductors, describe perfect semiconductor crystals which are free from defects and impurities of other elements. Intrinsic semiconductors which are intentionally doped with other elements are referred to as Extrinsic Semiconductors.