Is it sketchy that this vendor does not have a website — anyone have experience?

Dr.ObesityLA said:

The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either.

This is my experience too, for whatever a second data point is worth.

BiostatsBrad said:

Give anything pharmacological four weeks before you judge it, and give anything measured weekly a four-point rolling average before you call it a…

That reframing is the part I needed.

From the other side of the consultation, briefly. It is worth asking what the claim would look like if it were false. If nothing would look different, it is not a claim about the world and no amount of discussion will settle it.

I would rather be corrected than agreed with, if it comes to it.

jim_asheville said:

It is worth asking what the claim would look like if it were false.

Adding a me-too, because a thread of one person's experience is not much use.

Moderator note: a couple of off-topic posts removed.