🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

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Label Data

1 Level Teaspoon(s) Serving Size
100 Servings
Amino acid/Protein Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

3000 mg
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 3000mg

Other Ingredients

None

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (98% of products) Structure/Function (90% of products) Nutrient (52% of products)

Target Groups

Vegetarian Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions (Adults): Take one (1) level teaspoon per day or as directed by a health care professional.

⚠️ Warnings & Precautions

Warning: Keep out of reach of children.

If you are pregnant, lactating, taking any medication or have a medical condition, consult your doctor.

Discontinue use if adverse reaction occurs. Do not use if seal is damaged or missing.

Adverse events may be reported above.

🧪 Formulation Notes

Guaranteed the finest quality! We searched the world for the purest natural vegan L-Glutamine available. Exceeds pharmaceutical standards JP, USP, and EP

Non-GMO...no genetically-modified organisms

Made in the U.S.A.

Lidtke's L-Glutamine powder is a free-form, vegetarian, conditionally-essential amino acid that dissolves easily for quick absorption.

Lidtke's L-Glutamine powder is a free-form, vegetarian, conditionally-essential amino acid that dissolves easily for quick absorption.

Pharmaceutical grade for stomach, intestine, kidney & muscle health

Purest on the planet

No fillers or flow agents. No added gluten, yeast, wheat, corn, soy, rice, milk, dairy, eggs, tree nuts, peanuts, fish, shellfish, salt, sugar, animal derivatives, artificial color or flavor. Non-GMO.

As certified by the manufacturer. These amounts are approximate due to the nature of this product.

Additional Information

Thank you for choosing L-Glutamine by Lidtke. We sincerely wish the best of health for you and your family.

Lidtke stands behind each product and guarantees customer satisfaction for 365 days from the date of purchase.

Keep lid tightly closed. Keep in a cool, dry place.

Superb quality since 1994

Product Details

UPC / SKU 6 30610 00266 0
DSLD Entry Date 2021-12-18
Product Type Amino acid/Protein
Form Powder
Brand Lidtke
DSLD ID 257197
Data Updated 2026-04-11

Research Evidence

40 Research Sources
54 Avg Quality Score
16 Rct
12 Meta Analysis
7 Clinical Trial
5 Systematic Review
A Glutamine supplementation for critically ill adults
Meta Analysis The Cochrane database of systematic reviews 2014
A Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2017
B Glutamine for induction of remission in Crohn's disease
Systematic Review The Cochrane database of systematic reviews 2016
B Human growth hormone and glutamine for patients with short bowel syndrome
Systematic Review The Cochrane database of systematic reviews 2010
B Immunonutrition as an adjuvant therapy for burns
Meta Analysis The Cochrane database of systematic reviews 2014
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2008
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2016
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2016
B Glutamine supplementation for young infants with severe gastrointestinal disease
Meta Analysis The Cochrane database of systematic reviews 2014
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2012
View all evidence for Glutamine →

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