Ultimately, Moderator 42 is correct.
But arent some of those 5 hour things the Vitamin B’s or something like that; all natural stuff?
By the way, to keep up on busy days that start very early and end late, I throw in a few tablespoons Chia Seeds in oatmeal, cereal, and even eggs, and I can tell the difference. They work as they were advertised. They are Spectrum Essentials brand and are OU.
I get mine at Wegmans and the bag is about $8