L-Glutamine
Why we made this
Glutamine is the most abundant amino acid in the body and gets depleted under heavy training or gut stress. Ours is USP-grade and truly fermented — most 'vegan' glutamine is actually from feathers.
1 scoop in water, morning or post-training. Neutral flavor.
Athletes in high-volume training, gut-health protocols, injury recovery.
What's inside
L-glutamine (fermented).
Where it comes from
Fermented in Japan from non-GMO plant substrate.
Stack it with
4.8 out of 5 · 8 verified reviews
Third-party COA on the website sold me. L-Glutamine 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 L-Glutamine.
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. L-Glutamine is not the cheapest option but the quality is obvious after two weeks.
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