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Life Extension



Item: LE335

  • Supports immune system health 

  • 620 mg of l-lysine per serving 

  • Vegetarian capsules 

620 mg 100 Veg Caps

Retail $9.00
Save 25%
In Stock
  • Supports immune system health 

  • 620 mg of l-lysine per serving 

  • Vegetarian capsules 

Help provide support for healthy immune system function with Life Extension L-Lysine. An essential amino acid, l-lysine also plays a role in healthy bone development. Each serving of Life Extension L-Lysine delivers 620 mg of this valuable amino acid. 

Terms and Ingredient Definitions

Supplement Facts

Serving Size 1 Vegetarian Capsule

  Amount Per Serving % Daily Value
L-Lysine (as L-Lysine HCl) 620 mg **

**Daily Value not established.

Other ingredients: vegetable cellulose (capsule), vegetable stearate, L-leucine.

Read the entire label and follow the directions carefully prior to use.

DIRECTIONS: Take one (1) capsule one to three times daily on an empty stomach, or as recommended by a healthcare practitioner.

Store tightly closed in a cool, dry place.


  • Do not purchase if outer seal is broken or damaged.
  • When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

To report a serious adverse event or obtain product information, contact 1-866-280-2852.

Shipping Weight

.28 lbs

Life Extension L-Lysine Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Why Shop Swanson® Brands?

"With my personal 100% money-back satisfaction guarantee, you have nothing to lose and great savings to gain."

Lee Swanson, Founder of Swanson Health Products

Risk-Free Purchase Guarantee on Life Extension L-Lysine

If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping.

Swanson's Standards

We are dedicated to offering the highest quality products at the best price. Find out more about how we ensure such a high standard in everything we do.

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