NOW: L-Lysine (1000mg) Extra-Strength (100tab)


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Lysine is an essential amino acid that must be obtained through the diet or through supplementation.

Lysine is necessary for the production of proteins in the body, and maintenance of structural proteins, collagen, and elastin which form all connective tissue such as skin, tendon, and bone.

Lysine is also a precursor to carnitine, which is needed for fat metabolism and energy production

In addition, Lysine could possibly support healthy Immune & Cardiovascular Function.

Product Certifications
  • Kosher
  • Non-GMO
  • Vegetarian & Vegan
  • GMP Quality Assured

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.


Take 1 tablet 1 to 2 times daily.

  • L-Lysine (from 1,270 mg L-Lysine Hydrochloride) (1000mg)

Other Ingredients: Microcrystalline cellulose, silicon dioxide, stearic acid (vegetable source), vegetarian coating, croscarmellose sodium and magnesium stearate (vegetable source).

***This product has twice the L-lysine (1,000 mg per tablet) than the regular strength product (500 mg per tablet).

NOW® L-Lysine is a pharmaceutical grade essential amino acid.

Cautions & Warnings

For adults only. Consult physician if pregnant and nursing, taking medication, or have a medical condition. Keep out of reach of children.

Natural color variation may occur in this product.

Store in a cool, dry place after opening.