If it was a “works for some people” drug, you would expect to see a reproducible effect over and above placebo, but AFAICT that’s not the case with phenylephrin

If it was a “works for some people” drug, you would expect to see a reproducible effect over and above placebo, but AFAICT that’s not the case with phenylephrine. Is there something else you’re doing or taking alongside that might explain it? If not … well, happy placebo-ing to you!