Pure L-Glutamine Powder product image with 85/100 Zerotox safety score

Is Pure L-Glutamine Powder Safe? Ingredient Analysis

Star Nutrition

This page reviews Pure L-Glutamine Powder by Star Nutrition as a supplement. Its current score is 85/100, suggesting that it is generally considered low concern based on the current ingredient profile.

The product contains L-glutamine, a naturally occurring amino acid that supports muscle recovery. Its single-ingredient composition indicates minimal processing and high quality.

85 / 100

Good quality

Why score is 85

The product contains L-glutamine, a naturally occurring amino acid that supports muscle recovery. Its single-ingredient composition indicates minimal processing and high quality.

Main concern

Manufactured in a plant that processes milk, which may pose allergen concerns for sensitive individuals.

Why it matters: This ingredient is flagged in our analysis based on regulatory and scientific sources. Check the Ingredients section for details and see Data sources for methodology.

Regulation status: Ingredient safety is assessed from EU/EPA/CIR and similar databases; formulations may vary. Always read the product label.

Pros

  • Single ingredient: L-glutamine only, indicating minimal processing and high purity.
  • L-glutamine is known for its role in muscle recovery, supporting athletic performance.
  • No artificial additives or preservatives detected, enhancing overall product quality.
  • Manufactured in a facility that processes milk, indicating potential for quality control.

Concerns

  • Manufactured in a plant that processes milk, which may pose allergen concerns for sensitive individuals.
  • Limited ingredient diversity may not appeal to those seeking multi-nutrient supplements.
  • No additional ingredients for flavor or texture, which may affect user experience.
  • L-glutamine's effectiveness can vary based on individual dietary needs and exercise intensity.

Who should avoid this product?

You may want to be cautious with this product if you are:

  • people with sensitive skin or fragrance sensitivity

Ingredients breakdown

The ingredient notes below are written to explain what each ingredient does in this supplement and why it matters.

  • Is L Glutamine safe in this supplement?

    Good

    L Glutamine is used here as base. L-glutamine is a naturally occurring amino acid that plays a crucial role in muscle recovery and immune function. Its presence as the sole ingredient indicates a focus on purity and effectiveness.

    Role in formula: base

    Original: L-glutamine

    Read the full ingredient profile for L Glutamine

How we score

Our safety scores and ingredient breakdowns are based on regulatory and scientific sources. See Data sources & methodology and How Zerotox works for full details.

Product info

Product ID: 4056882

More from this brand: Star Nutrition products in Zerotox

Similar products: supplement in Zerotox database

Allergens detected: milk

Report / complain: You may report errors or complain about this product or its formulation to hello [at] zeroto.app . Published for transparency.

Frequently asked questions

Star Nutrition — Pure L-Glutamine Powder has a Zerotox score of 85 / 100 among supplements products. See the full breakdown above.
Browse Star Nutrition products on Zerotox with ingredient analysis and safety scores.
The product contains L-glutamine, a naturally occurring amino acid that supports muscle recovery. Its single-ingredient composition indicates minimal processing and high quality. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
This product scores 85 / 100 with fewer concerning ingredients. See the Pros and Ingredients sections above.
Yes. Star Nutrition — Pure L-Glutamine Powder has a Zerotox score of 85 / 100. See clean products and high-rated products for more. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
Browse supplements products on Zerotox with ingredient analysis.
This product includes positive or neutral ingredients such as: l-glutamine. See the Ingredients section above.
Our analysis notes: Single ingredient: L-glutamine only, indicating minimal processing and high purity.; L-glutamine is known for its role in muscle recovery, supporting athletic performance.; No artificial additives or preservatives detected, enhancing overall product quality.. See the Pros section above.
Star Nutrition — Pure L-Glutamine Powder has a Zerotox safety score of 85 / 100. Higher scores mean fewer concerning ingredients. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.
This product is flagged for: Manufactured in a plant that processes milk, which may pose allergen concerns for sensitive individuals.; Limited ingredient diversity may not appeal to those seeking multi-nutrient supplements.; No additional ingredients for flavor or texture, which may affect user experience.. See the Concerns and Ingredients sections above.
We do not detect parabens in this product's listed ingredients. Always check the label as formulations change.
This depends on the ingredient profile. People with sensitive skin or scalp, users avoiding fragrance, sulfates or animal-derived ingredients, and cautious shoppers should review the breakdown above before buying. Scores are informational only and do not constitute professional advice; always read the label and consult a qualified professional.