Instruct: Classify the given Amazon review into its appropriate rating category
Query: I can stay awake in the afternoon

I have ADHD-I. I wouldn't say this product is on par with prescription stimulants for focus, but it's pretty much the ONLY thing that can keep me awake all day, which is HUGE. The effects started to fade about 5-6 weeks in, so I'll try taking it more than once a day.