Extra strength (Olly Extra Strength Sleep has 5 mg of melatonin per serving compared to 3 mg per serving in Olly Sleep). A boost for the ultimate sleep. Melatonin, L-theanine and botanicals. Naturally tasty: Blissful blackberry with a fresh hint of mint. More is more: Sometimes you just need a little something extra. Here's a super dose of melatonin to help you find that sweet slumber. The goods inside: Melatonin: 5 mg of this naturally occurring hormone to promote the best night's sleep. L-Theanine: An amino acid that encourages calmness so you can hush those voices in your head and drift off. Botanicals: Flower power! Chamomile, passionflower and lemon balm have been used for centuries to help soothe and relax. Certified B Corporation.