From a news report:
These findings suggest that WSE may have promise in schizophrenia, particularly in the treatment of negative and general symptoms and associated stress, she added.
"The data show large effect sizes, and the number needed to treat to get ≥20% improvement in our PANSS negative subscale was only 3. That's pretty exciting. I'm a late convert to nutraceuticals, but I think the bottom line is we just don't have adequate treatments for our patients with schizophrenia," said Gannon.
What is the meaning of this "but"? Does she imply that an early convert to nutraceuticals would more strongly insist that the current mainstream treatment for schizophrenia is poor? So the meaning is "I'm not a nutraceutic zealot, but yeah the mainstream drugs are not quite effective"?