close popup
No Thanks

Your 10% Off Promo Code is on the Way! Thanks for signing up for emails.

You're now signed up to receive exclusive deals and savings opportunities!

Thanks again for connecting with us. Keep an eye on your inbox — your first coupon is on its way!

Thank You! This email address is already signed up

You are signed up for the following:

  • Offers
  • Recipes
  • E-Newsletter
  • Updates & Reminders

Thank you for your interest and be assured that you will continue to receive our emails at this address.

Look for your next communication from us within the next week.


We are having trouble processing your request.

Our apologies!

Please try again later.

America's #1 Rated
Catalog/Internet Brand
Based on Customer Satisfaction
Shop by
Do You
Need Help?

Source Naturals

Free Form L-Lysine

Free Form L-Lysine

Item: SN816

  • An essential free form amino acid

  • Supports energy production and collagen development

  • Hypoallergenic

500 mg 100 Caps

Retail $9.75
Save 32%
Usually Ships Within 2-4 Business Days
  • An essential free form amino acid

  • Supports energy production and collagen development

  • Hypoallergenic

Source Naturals Free-Form L-Lysine is an essential amino acid that helps maintain healthy immune system function, and it also supports the body's ability to deal with the physical effects of stress. L-lysine is also a precursor to other amino acids such as l-carnitine. Contains no yeast, dairy, egg, gluten, soy, corn, wheat, sugar, salt, starch, preservatives, or artificial color, flavor or fragrance.

Terms and Ingredient Definitions

Supplement Facts

Serving Size 1 Capsule

  Amount Per Serving %Daily Value
L-Lysine (HCl) 500 mg

†Daily Value not established.

Other ingredients: gelatin (capsule), microcrystalline cellulose, and magnesium stearate.

Suggested Use: 1 to 2 capsules daily.

NOTE: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.

  • HYPOALLERGENIC: contains no yeast, dairy, egg, gluten, corn, soy or wheat.
  • Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Shipping Weight

.24 lbs

Source Naturals Free Form 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 Source Naturals Free Form 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.

Learn More
Customer Service
About Swanson
© 2016 Swanson Health Products – Terms of Service