Did Professor Edzard Ernst participate in a homeopathic proving?

By stating "it does not work for me", did Professor Ernst tell his readers he particpated in a homeopathic proving? See screen shot Wed 02 September 2020 at 14:05). But, he refused to elaborate. Link to Ernst's blog.

I can't stop laughing. When Ernst is challenged to support his claim with evidence, the clowns appear ......