K doesn't matter just read they do not have to be prescribed....

did you know they are used as a dietary suplement
and "In animal models, melatonin has been demonstrated to prevent the damage to DNA by some carcinogens, stopping the mechanism by which they cause cancer."
Az. Reviewed by Az. on . melatonin? anyone else used it before? i just got it the other day (like 4 bucks from gnc) and it seems that ti's been the first time litearlly in about 10 or more years that i've been able to sleep without having some type of drug or something.. (whether it be weed or xanax or something liek that, or sleeping pillls you can buy otc) so, anyone else have experience with it? Rating: 5