Well, here he is promoting complete bunk, so the question answers itself.
That is fair, especially on this occasion. On the other hand I have found some of his material very helpful, particularly around sleep and helping me maintain my circadian rhythm.
> You can think of Q collar as a baby version of health scams promoted by wealthy and powerful medical-adjacent celebrities such as Dr. Oz, Andrew Huberman, and RFK Jr.
This sentence does not imply that Huberman has endorsed this product.