When a child takes a 1 milligram dose of melatonin, the hormone quickly enters their bloodstream, signaling to the brain that it’s time for sleep. Melatonin reaches levels in the blood that can be ...

Melatonin 1mg; per mL; contains glycerine, natural flavor; mixed berry-flavor; alcohol-, dye-, and gluten-free. <3yrs or <14kg: not recommended. Take 30–60mins ...