NutraBio Pure L-Glutamine Powder
Amazon.comPosted 5 months ago
Our verdict
NutraBio Pure L-Glutamine Powder works out to $0.30 per serving of l-glutamine, at 1serving per serving in powder form. That puts it above the median of the 36 l-glutamine products we can price per dose, where the typical serving costs $0.15, a Value Index of 0.5 where the median product is 1.0. One container lasts 100 days at the label dose of 1 serving a day, about $9.00 a month. We could not verify a third-party certification for NutraBio in a public registry. Worked out from the current retail price as of 2026-11-14; confirm the live price on Amazon.com before buying.
Questions about this product
- How much does one serving of NutraBio Pure L-Glutamine Powder cost?
- $0.30 per serving, which is 1serving of l-glutamine in powder form, against a typical $0.15 across the 36 l-glutamine products we can price per dose, a Value Index of 0.5 where the median product is 1.0. Worked out from the current retail price as of 2026-11-14, not the sticker price.
- How long does one container of NutraBio Pure L-Glutamine Powder last?
- 100 days at the label dose of 1 serving a day, which is about $9.00 a month.
- Is NutraBio third-party tested?
- We could not verify a certification for NutraBio in the USP, NSF or Informed-Sport public registries. We do not count a "lab tested" claim printed on a label as third-party testing, and an uncertified brand is not automatically worse.
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The silence is deafening
Lead with cost-per-dose, not vibes.