Klaire Labs/SFI Health

L-Lysine

$17.99

SIZE: 100 Capsules

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The Promise

Product identity and composition Pure L‑lysine HCl, single‑ingredient capsule

Essential amino acid in a hypoallergenic vegetarian capsule.

Ingredient

L‑Lysine as L‑lysine hydrochloride (HCl).

Dose per capsule

500 mg L‑Lysine (L‑lysine HCl) per capsule.

Formulation

Single‑ingredient formula with ascorbyl palmitate and silicon dioxide; no common allergens listed.

Delivery format

Vegetarian capsule (hydroxypropyl methylcellulose, water); 100 capsules per container.

Why It Works

Why this formulation is specific Clinical‑style specifications you can check

Concrete formulation details and normal physiological roles supported by the ingredient.

01

Standardized amount

Each capsule provides a fixed 500 mg L‑Lysine dose.

02

Stable salt form

Provided as the hydrochloride (HCl) form for stability and absorption.*

03

Single‑nutrient focus

No additional active amino acids or blends—single active ingredient.

04

Normal biological roles

L‑Lysine is required for collagen synthesis and for production of enzymes, antibodies, and hormones.

Reviews

Customer Reviews

Your Journey

How to use and precautions Clear serving, storage, and safety directions

Practical directions, container details, and labeled warnings.

Serving

Suggested use

Take 1 capsule, 1 to 6 times daily or as directed by a healthcare professional.

Format & quantity

Pack size & serving size

Serving size: 1 capsule. Servings per container: 100.

Storage

Keep secure

Keep out of reach of children.

Warnings & precautions

Consult before use

If you are pregnant, nursing, have a medical condition, or are taking prescription drugs, consult your healthcare professional before using this product.

Product education

L-Lysine: An Essential Amino Acid Building Block

L-Lysine is one of the nine essential amino acids that the body cannot produce on its own and must be obtained from food or supplementation. As a fundamental building block for proteins, L-lysine is a key player in numerous physiological processes, including the production of enzymes, the formation of collagen for healthy skin and connective tissues, and overall tissue repair. Supplementation can be particularly important for individuals on low-protein diets who may have an inadequate intake.

How It Works: Supporting Structure and Function*

This formula delivers a pure, 500 mg dose of the essential amino acid L-lysine in its hydrochloride form for stability and absorption.*

Collagen Formation & Tissue Repair
L-lysine is essential for the synthesis of collagen, the most abundant protein in the body, which provides structure to skin, bones, tendons, and cartilage. It is also crucial for the body’s natural tissue repair processes, making it a vital nutrient for recovery and maintenance.

Enzyme and Hormone Production
Beyond its structural role, L-lysine is necessary for the production of many enzymes, antibodies, and hormones, contributing to a healthy and well-functioning immune system and endocrine system.

  • Provides one of the nine essential amino acids
  • A key player in enzyme production and tissue repair
  • Essential for the formation of collagen for healthy skin
  • Important for individuals with low-protein diets
  • A clean, hypoallergenic formula free of common allergens

Supplement record

Review serving details and ingredients for this product.

Supplement Facts:
Suggested Use: Take 1 capsule, 1 to 6 times daily or as directed by a healthcare professional.
Serving Size: 1 Capsule
Servings Per Container: 100
Ingredient Amount %DV
L-Lysine (as L-lysine HCI) 500 mg *
Other ingredients: Vegetarian capsule (hydroxypropyl methylcellulose, water), ascorbyl palmitate, and silicon dioxide.
*Daily Value not established.
Warning If you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your healthcare professional before using this product. Keep out of reach of children.