Can any herbal supplements help in healing of a bunion ectomy?

Possible. Certain herbal and natural products such as cumin and ginger have anti-inflammatory properties.
Probably not. I am not aware of any supplements known for speedy recovery after a bunion surgery. I doubt there is any proven one, although, there may be quite a few being pitched, so you could take the bait.
Bunion surgery. Herbal supplements are not well controlled. Take these at your own risk. Speak to your surgeon for any and all questions.
Yes. . After such a surgery there will be swelling. There are many supplements that help counteract the effects of swelling. I.E bromelein, curcumin.