IZI1

L-Lysine

‎4.9/5
52 reviews
Swanson Vitamins
USD 7.69

at Swanson Vitamins

Updated: Nov 07, 2026

About this item

NOW® L-Lysine is an essential amino acid, meaning that it cannot be manufactured by the body. It must be obtained through the diet or by supplementation. Lysine is one of the most well-known amino acids and is an essential component of protein. It contributes to healthy immune system function, membrane health and collagen synthesis.

  • Features
    • Supports healthy immune system function
    • Promotes collagen synthesis
    • Supports membrane health

Specifications

Ingredient

Amount per serving / Daily value %

L-Lysine (from 637 mg L-Lysine Hydrochloride)

500 mg / **

Other Ingredients

Hypromellose (cellulose capsule), Stearic Acid (vegetable source), Microcrystalline Cellulose and Rice Flour.

Country of Origin

Made and quality tested in the USA with globally sourced ingredients.

Other Information

Natural color variation may occur in this product., This bottle is made from 100% PCR (post-consumer recycled) resin., Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Product photos are for illustrative purposes only and are exemplary. The colors, inscriptions, parameters, dimensions, sizes, functions, and/or any other features of the original products may look different than in reality due to their visual characteristics, so please refer to the product features that are indicated in the product descriptions.

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