Klaire Labs/SFI Health

L-Glutamine Powder

$50.99

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The Promise

Product identity and formulation Pure free‑form L‑Glutamine powder; hypoallergenic, single-ingredient

Supports intestinal and muscle cell nutrition via a single-ingredient powder—no fillers, allergens, or additives.*

Identity

L‑Glutamine Powder from Klaire Labs/SFI Health; free‑form L‑glutamine amino acid.

Principal ingredient & amount

Each scoop (≈5.85 g) delivers 5 g of L‑Glutamine per serving; 60 servings per container.

Formulation & purity

Single-ingredient, pure powder with no other ingredients, colors, flavors, or preservatives.

Dietary & allergen facts

Free of milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, corn, yeast, and gluten; contains no artificial additives.

Why It Works

Why this formulation matters Specific roles and delivery that match cellular needs

Concentration, form, and absence of extras target intestinal cells, muscle tissue, and immune cells with a straightforward amino‑acid substrate.

01

Free‑form amino acid

Provides L‑glutamine in free‑form for direct availability to cells that use it as fuel and building block.

02

Defined single‑serving dose

Each scoop supplies a defined 5 g amount of L‑Glutamine for consistent intake.

03

Supports intestinal cell energy*

L‑Glutamine is described as the primary energy source for intestinal cells and supports gut lining integrity.*

04

Muscle and immune substrate

Stored in high concentrations in muscle and used for protein synthesis and formation of glutathione and immune cell fuel.

Reviews

Customer Reviews

Your Journey

How to use, store, and take precautions Clear serving, mixing, and safety guidance

Follow labeled serving sizes, mixing options, and listed warnings; consult a healthcare professional where indicated.

Serving

Suggested adult dosing

Adults: 1 scoop (≈5.85 g; 5 g L‑Glutamine) 1 to 2 times daily.

Preparation

Mixing options

Mix 1 scoop with water, juice, or food per serving; or use as directed by a healthcare professional.

Storage & package

Container details

Powder format; 60 servings per container. KEEP OUT OF REACH OF CHILDREN.

Warnings & precautions

When to consult a clinician

Consult your physician if pregnant or nursing, have any medical condition, are taking prescription drugs, or are under age 18 years.

Product education

L-Glutamine Powder: Foundational Fuel for Gut and Muscle Health

L-Glutamine Powder provides a pure, free-form source of the most abundant amino acid in the body. As a conditionally essential amino acid, L-Glutamine serves as the primary energy source for intestinal cells and is a major component of muscle tissue. During times of physiological stress, illness, or intense exercise, the body’s ability to produce enough glutamine may be compromised, making supplementation beneficial for supporting a healthy intestinal lining, robust immune function, and lean muscle mass.*

How It Works: Nourishing Cells from the Inside Out

This formula provides a key building block that supports multiple systems throughout the body, from digestive integrity to immune readiness.*

Primary Fuel for the GI Tract
The cells of the small intestine have a high turnover rate and require immense energy to function. L-Glutamine is their preferred fuel source, helping to support the integrity of the gut lining. A healthy gut lining is crucial for proper nutrient absorption and for preventing intestinal permeability, which in turn supports healthy immune function.*

Muscle and Immune Support
Stored in high concentrations in muscle tissue, glutamine is essential for protein synthesis and the formation of other vital compounds like glutathione, a master antioxidant. By providing this key amino acid, this supplement helps support the maintenance of lean muscle mass and provides fuel for the cells of your immune system, ensuring they are ready to respond.*

  • The primary energy source for intestinal cells
  • Supports a healthy intestinal lining and gut integrity*
  • Promotes a healthy immune system*
  • Aids in the maintenance of lean muscle mass
  • A clean, hypoallergenic, pure powder formula

Supplement record

Review serving details and ingredients for this product.

Supplement Facts:
Suggested Use: Adults: 1 scoop 1 to 2 times daily mixed with water, juice, food, or as directed by a healthcare professional. Children: As directed by a healthcare professional.
Serving Size: 1 Scoop (Approx. 5.85 g)
Servings Per Container: 60
Ingredient Amount %DV
Calories 25
L-Glutamine 5 g *
Other ingredients: None.
*Daily Value not established.
Warning
Consult with your physician if you are pregnant, or nursing, or have any medical condition, or taking prescription drugs, or under the age of 18 years. KEEP OUT OF REACH OF CHILDREN.
Allergy Information
Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, corn, yeast, and gluten. Contains no artificial colors, flavors, or preservatives.