Fibre, Textile
Noun and の adjective
せんい
毎日サラダを食べて、ちゃんと食物繊維を摂るようにしています。
I eat a salad everyday and consume the perfect amount of dietary fiber.
The fiber you use to maintain your own health is the fiber you eat!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.