Interesting, thanks for the info about the greens. Had not heard of Tong Ho. Just googled it and it seems the scientific name has changed, also the article has

Interesting, thanks for the info about the greens. Had not heard of Tong Ho. Just googled it and it seems the scientific name has changed, also the article has some pros and cons of it. https://en.wikipedia.org/wiki/Glebionis_coronaria https://en.wikipedia.org/wiki/Glebionis_coronaria The wheat grass symptoms you had might be due to it having vitamin E - just guessing here.