I don't believe the so called natural dewormer works at all. You can read this article about deworm chickens: https://www.heritageacresmarket.com/how-to-deworm-chickens/
However, your hen's symptoms look like a reproduction issue, such as internal laying. If that's the problem, you can try to...
When did you last deworm them? And what did you use to deworm? Several common reasons that can cause these symptoms: mites/ lice, reproduction issues, worm, etc. You can treat mites/ lice and worm easily, but reproduction issues may or may not are treatable.