The Best Supplements for Better Sleep - Ask a Nutritionist

August 6, 2026

What supplements actually help you sleep? Registered dietitian Amy Crum explains the science behind today's most popular sleep supplements, including magnesium glycinate, L-theanine, 5-HTP, melatonin, vitamin D, iron, and herbal blends.

You'll learn who may benefit from each option, key safety considerations, and how better sleep can improve your mood, energy, brain function, immune health, and weight-loss goals. Amy also explains why identifying the root cause of your sleep struggles is essential to achieving lasting, restorative sleep.