I have been running vitamin B12 for a year and the honest summary is that the effect is smaller than the internet suggests and real.
Mechanism is not outcome, and a plausible pathway is the most expensive kind of evidence there is.
I have started logging dose, time, and sleep because otherwise the anecdote is just a mood.
There is a serious question about whether the studied form matches what is sold, and nobody in a thread can answer it.
Fortified food counts toward the total and is always forgotten.
What would change your mind about this?
Stupid question: how do you know whether what is in the vial matches the label at all?
Nobody has ever been talked out of a stack by a stranger on the internet.
Narrow conclusion.
Nobody has ever been talked out of a stack by a stranger on the internet.
Sterility is the part people wave through and it is the part that actually bites.
Narrow conclusion. A year in on vitamin B12 and it lines up.
Baseline first.