Product guide · Food supplement

GN Laboratories Nano Pure Глутамин

L-glutamine powder from GN Laboratories. This guide sets out what the manufacturer states about the composition of GN Laboratories Nano Pure Glutamine, what independent research says about its main ingredient, and the safety and regulatory points that apply.

Educational guide · Sources checked 4 November 2026 · 4 references

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Named ingredients: 1
Amounts stated: All
Status: Food supplement
Evidence summaries: 1

Overview

Manufacturer information

Nano Pure Glutamine is micronised L-glutamine powder with a neutral taste. The manufacturer gives a 5 g serving.

Ingredients & composition

Manufacturer information

Ingredient	Amount
L-glutamine (micronised)	5 g per serving

Scientific background

Independent research

L-glutamine

Glutamine is the most abundant amino acid in the body and is made in muscle.

Research evidence

Independent research

L-glutamine

A review concluded that the reasons usually given for taking glutamine (immune support, glycogen synthesis, reduced muscle breakdown) have received little support from well-controlled studies in healthy, well-nourished people¹.

Evidence limitations

Independent research

No published study has tested this specific product; the research summarised here concerns the ingredient itself.

L-glutamine

Benefits shown in clinical nutrition (for example in critical illness) do not apply to healthy athletes¹.

Safety & potential risks

Manufacturer label

Do not exceed the recommended daily dose.
Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.
Keep out of the reach of young children.

Independent research

L-glutamine

Glutamine was well tolerated at the doses studied¹; a risk assessment identified an observed safe level of 14 g a day².

Regulatory status

GIGACULT product information

Sold as a food supplement. No health claims are made for this product.

Regulation and sport

L-glutamine

No health claim for this ingredient is authorised in the EU³; botanical ingredients are sold under national food-supplement rules⁴.

Scientific references

Gleeson M. Dosing and efficacy of glutamine supplementation in human exercise and sport training. J Nutr. 2008;138:2045S-2049S. PubMed 18806122
Shao A, Hathcock JN. Risk assessment for the amino acids taurine, L-glutamine and L-arginine. Regul Toxicol Pharmacol. 2008;50:376-399. PubMed 18325648
Commission Regulation (EU) No 432/2012 establishing a list of permitted health claims made on foods. Official Journal of the European Union. Source
Directive 2002/46/EC on the approximation of the laws of the Member States relating to food supplements. Official Journal of the European Union. Source

Sources checked against PubMed, Crossref or the official publisher on 2026-11-04. Manufacturer information is taken from the product's own data and has not been independently tested.

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