Well, here he is promoting complete bunk, so the question answers itself.

> 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.

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.