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  • Gluten free

  • Vegan

  • Non-GMO

  • Vegetarian

  • Gluten Free

Maintains healthy arginine production and supports the body's natural defenses*

l-Lysine, an amino acid, provides nutritional support for the body's natural defenses. l-Lysine is particularly helpful in maintaining healthy gum and lip tissue.*

• Promotes healthy immune function*
• Helps maintain healthy gum and lip tissue*
• Made with hypoallergenic, vegan ingredients

Suggested Use / Directions:

Take 2 capsules daily, between meals, or as directed by a health professional.



Serving Size:
1 capsule

Amount Per Serving:

L-Lysine HCl (free-form) ... 500 mg



Other Ingredients:
ascorbyl palmitate, vegetarian capsule (cellulose, water)


Arginine may reduce the effectiveness of l-lysine in some individuals. If pregnant or lactating, consult your physician before taking this product.

Why is this a top pick for Lysine?

This product has been chosen as a Top Pick by Fullscript based on factors like quality, ingredients, value, and availability. Your provider’s recommendation always comes first.

This product was selected based on the factors below: Delivers 500 mg of vegan-sourced l-lysine HCl per capsule, an essential amino acid that provides nutritional support for the immune system and helps maintain healthy tissue. It also contains 10 mg of fat-soluble vitamin C (ascorbyl palmitate) to support collagen formation and antioxidant protection. This hypoallergenic, non-GMO formula is free from gluten, dairy, soy, eggs, tree nuts, peanuts, sesame, artificial colors, sweeteners, coatings, shellacs, unnecessary binders, fillers, and preservatives. Manufactured in a cGMP facility, each lot undergoes rigorous third-party testing for purity and potency.*

Learn more about our process

About enhanced testing

Every product on Fullscript meets our high quality standards – but we don’t stop there. Enhanced Testing means select products are pulled directly from Fullscript’s shelves and tested by independent labs, so what’s on the label matches what’s in the product.

Learn more about the testing methods

Top pick

Enhanced testing

L-Lysine

Pure Encapsulations

$15.99

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