Magnesium – 100 mg in the lysinate-glycinate form, 120 tablets. A new, sealed supplement delivered from iHerb, expiry date until 04.28 year. It will help you fall asleep faster and sleep more soundly (you can start with 200 mg of magnesium half an hour before bed), and most importantly, there will be 'nothing' in terms of any side effects. Magnesium in the lysinate-glycinate form is one of the most effective forms for absorption, specifically for sleep.