Dr.ObesityLA said:It helps to say which part of this you are uncertain about.
Coming back to something from earlier in the thread, because it keeps being talked past:
Red flags, in rough order of how much they should worry you: no verifiable address, no batch numbers, prices far under market, vendor-commissioned tests only, pressure toward irreversible payment, and shipping with no temperature control.
Correct me if the detail matters more than I have assumed.
This was answered several pages up and is worth repeating rather than re-litigating:
Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then measure again under the same conditions.
Happy to go further on any of that.
A narrower follow-up, since the general answer is now clear:
How long did you give it before you decided it was working?
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Dr.PathRoch said:Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then…
Agreed on the substance. I would put less weight on the timescale, because two months of anything is not enough to distinguish a trend from a wobble.