Douglas Laboratories

L-Glutamine Powder

$51.00

*Free shipping applies to orders shipped within the Lower 48 States.


Free shipping on orders over $99.

The Promise

Product identity & formulation Pure L‑Glutamine powder, U.S.P.

Single‑ingredient L‑Glutamine powder delivered as a measured teaspoon serving.

Identity

L‑Glutamine Powder from Douglas Laboratories — pure L‑glutamine (U.S.P.).

Principal ingredient & form

Each teaspoon provides 4 g of L‑glutamine in loose powder form.

Formulation

No other ingredients or excipients listed; contains no additives.

Dietary & quality facts

Free from yeast, wheat gluten, soy, milk/dairy, corn, sodium, sugar, starch, artificial colors/preservatives, and GMOs.

Why It Works

Why this formula is specific Measured dose, single amino acid, and U.S.P. quality.

Concrete formulation details that define composition and intended nutritional role.

01

Dose per serving

Provides 4 g L‑glutamine per 1 teaspoon (serving size defined on label).

02

Purity & standard

L‑Glutamine listed as U.S.P., supplied without additional ingredients.

03

Biochemical use

L‑Glutamine is utilized by the GI tract, liver, and immune system for synthesis of nucleotides, proteins, and amino sugars.

04

Role during stress & mucosa

Ingredient is noted as essential during physiological stress and for maintaining normal intestinal permeability and mucosal cell regeneration.

Reviews

Customer Reviews

Your Journey

How to use & safety Measured preparation, storage, and cautions from the label.

Clear directions, package warnings, and dietary/practitioner notes for shoppers.

Serving

Mix measured teaspoon

Suggested use: adults mix 1 teaspoon (≈4 g) in water or juice, twice daily or as directed by your healthcare professional.

Format & package

Powder in tamper‑resistant package

Product is a loose powder supplied in a tamper‑resistant package; do not use if outer seal is broken or missing.

Storage & safety

Keep out of reach of children

Warning on label: Keep out of reach of children.

Dietary & practitioner note

No common allergens; follow professional guidance

Contains no other ingredients and does not contain listed allergens; use as directed by your healthcare professional.

Product education

L-Glutamine Powder by Douglas Laboratories

L-Glutamine powder — supplied by Douglas Laboratories, provides 4 grams of pure L-glutamine (U.S.P.) per teaspoon. This amino acid plays a key role in the metabolism, structure, and function of the gastrointestinal (GI) tract and its extensive immune system. Glutamine is the most abundant amino acid found in blood, serving as a vehicle for nitrogen transport and is crucial for maintaining normal intestinal permeability and mucosal cell regeneration, especially during periods of physiological stress.

Key Benefits

  • Supports gastrointestinal health*
  • Helps maintain normal intestinal permeability*
  • Assists in immune function

How It Works / Key Ingredients

L-Glutamine is utilized by the GI tract, liver, and immune system for the synthesis of nucleotides, proteins, and amino sugars. It is essential during physiological stress, such as trauma or surgery, where the demand for glutamine increases significantly.

How to Use

As a dietary supplement, adults mix 1 teaspoon (approximately 4 grams) in water or juice, twice daily or as directed by your healthcare professional.

Supplement record

Review serving details and ingredients for this product.

Supplement Facts
Suggested Use: As a dietary supplement, adults mix 1 teaspoon (approximately 4 grams) in water or juice, twice daily or as directed by your healthcare professional.
Serving Size: 1 teaspoon (4 grams)
Servings Per Container: —
INGREDIENTSAMT%DV
L-Glutamine4 g
†/- Daily Value not established.
Other Ingredients: None
Contains: None
Does Not Contain: yeast, wheat gluten, soy, milk/dairy, corn, sodium, sugar, starch, artificial coloring, artificial preservatives or genetically modified organisms (GMOs).
Warning: Keep out of reach of children.
Caution: Tamper resistant package, do not use if outer seal is broken or missing.