So does adding a question mark at the end of the title fit your position? It's a title and you did not watch the video, it's the same when you buy that product at whole foods and the label says something, then you turn it over to see it's not medical advice.

Here is how you can state it without ambiguity:

Learn how magnesium may relax and improve your sleep

Y’know, he’s right: that’s technically not a medical claim, it’s a “non-functional” claim. Of course, I also get what you mean; to you and I, that looks exactly like a medical claim! The regulations for all this are slightly mental, which is why things like homeopathy and those bullshit “skinny tea” pyramid schemes survive