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Life Extension L-Glutamine delivers 500 mg of free-form L-glutamine per capsule in a 100-count bottle. L-glutamine is the most abundant amino acid in blood and muscle, and it supports muscle recovery after training and fuels immune cells and the gut lining. The simple single-ingredient formula suits people who want to set their own dose rather than a fixed blend. Against rivals, the dose is modest: many competitors sell 1,000 mg or larger capsules or powders, so you take more capsules per serving.
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Lowest price we've seen: $11.25 on Nov 9 at Herbspro. Tracked across 2 stores since Nov 9.
Buyers of Life Extension's single-ingredient capsules generally report a clean, easy-to-take product that fits a stack. Complaints center on the small dose per capsule and the number of pills needed for a full serving.
