Better Sleep

Supplements studied for improving sleep quality, duration, and onset.

47 supplements have studies linked to this goal. Melatonin scores highest (9/10), followed by Glycine (6/10) and Magnesium (6/10). 7 of them reach moderate or strong support — the rest are thinly studied or showed little effect.

Supplements rated for Better Sleep

How to read these scores

The 0–10 score reflects how well the evidence supports a supplement for this specific goal, independent of how much it has been studied overall. It is an editorial rating checked against meta-analyses — how we set it.