https://www.alzforum.org/news/conference-coverage/first-phas...
Also I'd generally be more skeptical as the green urine it produces could be a strong placebo enhancer that is hard to control against.
Methylene blue should not be combined with the later anti-depressants that focus more on serotonin (SSRIs, etc.), as this can cause serotonin toxicity: https://www.apsf.org/article/methylene-blue-and-the-risk-of-...
> Tau is working on a slightly modified form that is basically putting it in a capsule and they'll sell it for $50 a pill probably, but that's the only way that anyone will believe it actually works.
Patent medicines [1] are still as popular as they ever were. Science made some inroads in the early 20th century, before the hucksters regrouped, with new prescription-only FDA approved nostrums.
Methylene blue is a potent antimicrobial that easily penetrates the blood brain barrier, so it working so well would be consistent with Alzheimers being an infectious disease.
[1]https://content.iospress.com/download/journal-of-alzheimers-...