Product guide · Food supplement
GN Laboratories EAA Xtreme – Complete Amino Acid Formula
Essential amino acid powder from GN Laboratories. This guide sets out what the manufacturer states about the composition of GN Laboratories EAA Xtreme, what independent research says about its main ingredients, and the safety and regulatory points that apply.
Back to the product- Named ingredients
- 3
- Amounts stated
- None
- Status
- Food supplement
- Evidence summaries
- 3
Overview
Manufacturer informationEAA Xtreme is built from three complexes: an essential amino acid and BCAA matrix in a 2:1:1 ratio, a blend of taurine and alanine, and a complex with electrolytes.
Ingredients & composition
Manufacturer information| Ingredient | Amount |
|---|---|
| EAA and BCAA matrix (2:1:1) | Not stated |
| Cell-volumising blend: taurine, alanine | Not stated |
| Electrolyte and focus complex | Not stated |
The manufacturer does not state the amount of any ingredient. Without amounts, the research summarised in this guide cannot be related to this product's dose.
Scientific background
Independent researchBCAAs (leucine, isoleucine, valine)
Branched-chain amino acids (leucine, isoleucine and valine) are essential amino acids found in protein-rich foods. Leucine stimulates muscle protein synthesis.
Taurine
Taurine is an amino sulfonic acid made by the body and found in meat and fish. It is involved in bile acid formation and cell volume regulation, and it is a common energy-drink ingredient1.
Potassium and electrolytes
Potassium, sodium and other electrolytes regulate fluid balance, nerve signalling and muscle contraction.
Research evidence
Independent researchBCAAs (leucine, isoleucine, valine)
A systematic review found that pure BCAA supplementation may reduce muscle soreness after exercise, but evidence for improved strength, endurance or body composition is inconsistent2.
Taurine
There is no authorised EU health claim for taurine, and evidence that taurine on its own improves exercise performance in healthy people is limited.
Potassium and electrolytes
Authorised EU claims include that potassium contributes to normal muscle function and the maintenance of normal blood pressure3.
Evidence limitations
Independent researchThis product does not state all ingredient amounts, so the doses used in research cannot be compared with what one serving provides.
The studies summarised in this guide examined single ingredients. No published study has tested this product or this combination of ingredients.
BCAAs (leucine, isoleucine, valine)
Studies are small and diets are often poorly controlled2. Complete protein or essential amino acids are generally preferred for building muscle.
Taurine
Most of the research uses taurine in combination with caffeine or other ingredients.
Potassium and electrolytes
Electrolyte supplements are mainly relevant for prolonged exercise in the heat or large sweat losses.
Safety & potential risks
- 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.
BCAAs (leucine, isoleucine, valine)
Generally well tolerated at studied doses.
Taurine
A risk assessment identified an observed safe level of 3 g a day of supplemental taurine4, and EFSA did not raise safety concerns for the amounts used in energy drinks1.
Potassium and electrolytes
People with kidney disease, or taking blood-pressure medicines that raise potassium (such as ACE inhibitors or potassium-sparing diuretics), should not take potassium supplements without medical advice.
Regulatory status
Sold as a food supplement. No health claims are made for this product.
BCAAs (leucine, isoleucine, valine)
No health claim for this ingredient is authorised in the EU3; it is sold under national food-supplement rules5.
Taurine
Taurine is used in EU foods and food supplements. No health claim is authorised3.
Scientific references
- EFSA. The use of taurine and D-glucurono-gamma-lactone as constituents of the so-called energy drinks. EFSA Journal. 2009;7(2):935. DOI 10.2903/j.efsa.2009.935
- Julea M, Saleh SN. The effect of oral pure branched-chain amino acid supplementation on exercise performance and body composition: a systematic review. Cureus. 2025;17:e96017. PubMed 41346907
- Commission Regulation (EU) No 432/2012 establishing a list of permitted health claims made on foods. Official Journal of the European Union. Source
- 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
- 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.
The product
GN Laboratories EAA Xtreme – Complete Amino Acid Formula
€32,99