Not yet investigated
What we have so far
The second route home for homocysteine, and it runs on betaine rather than folate — which is the mechanistic case for TMG in someone with an MTHFR variant.
This star is on the map because the show intends to take the question apart properly — the trials, how it is actually tested, whether the thing sold is the thing studied. That work is not done yet, and nothing here should be read as a conclusion. When the investigation is published it will appear on this page.