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Tom’s Guide
Tom’s Guide
Technology
Frances Daniels

Is glycine or magnesium better for deep sleep? 2 board-certified doctors respond

A split screen shows an image of glycine powder and an image of a woman's hand holding magnesium tablets. .

After three years of writing about sleep, I've finally been swept up by the magnesium craze and its promise of promoting deep sleep. But does it have the edge over sleep-enhancing glycine?

Magnesium surged in popularity thanks to the viral sleepy girl mocktail, and I use magnesium patches and gummies every night in an attempt to boost my deep sleep. However, after examining the ingredients label, I found my gummies also use glycine to "support relaxation".

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