Clinical perspective, offered as context rather than as advice. The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either. Those three things can all be true at once, and most arguments here are two people holding different parts of that.
pete_nash said:The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either.
Same experience, arrived at from the opposite direction. Nothing to add that would improve it.
pete_nash said:The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either.
There is a second half to this that has not been said yet. Worth answering the question that was asked rather than the one behind it. The narrow version usually has an answer; the broad version usually does not, and answering the broad one is how a thread stops being useful.
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Browse GL BiochemAdding the numbers, since they settle part of this. One practical note: write down what you did and when, before you need it. Reconstructing a timeline from memory three months later is how people end up unable to answer the one question that would have resolved it.
Happy to go further on any of that.
Following on from pete_nash — and this may be the naive question:
How long did you give it before you decided it was working?