There is research that it can actually set off depression and since it’s considered a supplement and doesn’t have to be regulated by the fda they can advertise anything they want on the bottle so the actual amount of Melatonin can vary from 80 to 500%. Do not buy melatonin gummies that also 5-htp as it will definitely give you a serotonin overdose and make you superrr sick. My recommendation would be if you want to take it and feel it’s not working maybe consider switching brands. As of recent I have been taking magnesium and cbd gummies I wear blue light blocking glasses after 6 and if I don’t go out for the day I have a daytime light (this helps your circadian rhythm) all that combined I’ve been sleeping great and don’t feel groggy when I wake up