Pure Glycine
Why we made this
Glycine research is striking: 3g before bed measurably improves subjective sleep quality and next-day alertness. It's naturally sweet, so it also works as a sugar-substitute in tea.
1 scoop (3g) in warm water or tea 60 min before bed.
Sleep-optimizers, biohackers, magnesium-augmenters.
What's inside
Pure L-glycine.
Where it comes from
Fermented pharmaceutical-grade glycine.
Stack it with
4.8 out of 5 · 8 verified reviews
Third-party COA on the website sold me. Pure Glycine has become part of my morning stack — no chalky aftertaste and no bloat.
I train five days a week and recovery has been sharper. Ingredient list reads like a dietitian wrote it, which is basically the case.
Flavor is subtle in the best way. I'd love a family-size option of Pure Glycine.
Tried AG1 and Ritual before this. Rivergrove wins on transparency and taste. Subscribe-and-save makes it a no-brainer.
She specifically flagged the sourcing standards. I've been on it three months and my labs improved at my last check-in.
Mixes clean in water, no gritty settle. Packaging is a little bulky but I'll take it for the quality.
I'm picky about what goes in my body during pregnancy planning. Rivergrove passed my OB's review.
You get what you pay for. Pure Glycine is not the cheapest option but the quality is obvious after two weeks.
More from Sleep
