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Swanson Premium

Free-Form L-Lysine

Item: SW269

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Swanson $7.99
Retail $12.99
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500 mg 300 CapsOther Sizes

Caps Size: OO, Pill Size Guide

  • An all-natural stress fighter



  • A highly effective immune system aid



  • Helps to balance high levels of the amino acid L-arginine


Swanson L-Lysine is an essential amino acid that works to relieve stress in the body. It regulates immune response and helps us manage the stress of day-to-day life. Each capsule delivers 500 mg of L-lysine to meet the additional demands of high-stress times.

Lee Swanson, President

Risk-Free Purchase Guarantee

If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping. Lee Swanson, President of Swanson Health Products

Product Description:

Free-Form L-Lysine

"I have been using this product for a few years with excellent results." ~product review by Elly

  • An all-natural stress fighter



  • A highly effective immune system aid



  • Helps to balance high levels of the amino acid L-arginine


Swanson L-Lysine is an essential amino acid that works to relieve stress in the body. It regulates immune response and helps us manage the stress of day-to-day life. Each capsule delivers 500 mg of L-lysine to meet the additional demands of high-stress times.

Product Label:

Free-Form L-Lysine

Supplement Facts

Serving Size 1 Capsule

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

*Daily Value not established.

Other ingredients: Rice flour, gelatin, magnesium stearate.

Suggested Use: As a dietary supplement, take one capsule two to three times per day with water on an empty stomach.

Terms and Ingredient Definitions

Free-Form L-Lysine

Swanson $7.99
Add To Order

Swanson Premium Free-Form L-Lysine Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Rated 4.8 out of 5 by 45 reviewers.
Rated 5 out of 5 by Great Product When I did some research on vitamins for stress relief, I came upon this site on a suggestion from a friend. I desperately needed some help with stress relief after a health failure due to personal and work related stress. After taking this for some time, it has helped me tremendously . I also incorporate exercises to help deal with additional stress from time to time. Thank you Swanson! I have told friends and family about this site. Please keep up with the quality of your products and prices. I`m a returning customer. December 26, 2014
Rated 4 out of 5 by Lots of pills for little cost. 300 to be exact, for about the same price of a combo meal at a fast food restaurant. I took this along with another supplement to counter a condition effectively. That condition I cannot tell you sadly, due to governmental regulations on posting medical or disease claims on this site. I will say that you get a decent-quality amino-acid with no less than a 100 days' worth at the suggested dose. :) October 25, 2014
Rated 5 out of 5 by Wonderful Product Another great product in capsule form! Super purchase. March 14, 2014
Rated 5 out of 5 by Excellent Product I have been using this product for a few years with excellent results. February 9, 2014
Rated 5 out of 5 by Excellent Excellent product! I have been taking it for years. December 14, 2013
Rated 5 out of 5 by Good product Works well and my immune system appears to have improved. November 27, 2013
Rated 5 out of 5 by really works! Love this! Not only is this a great value, but this product works great! November 7, 2013
Rated 5 out of 5 by My husband likes to take lysine it does help his system. (I don't have to argue with him to take it, in fact there are times when he reminds me to give it to him.) I like the price and the size of the caps. September 6, 2013
Rated 5 out of 5 by This is the one Since I'm not allowed to say what why I take this. I just say that it works better for me than other brands that I have tried. And it's a great price. August 8, 2013
Rated 5 out of 5 by woohoo for this product, keeps my immune system in PERFECT condition. Been taking it for many many years. July 25, 2013
Rated 5 out of 5 by Best Purchase Lysine great for my mouth health July 10, 2013
Rated 5 out of 5 by wonderful organic product I always look for food and products that are pure and healthy for my body. My Dr. recommended l-lysine years ago and I have always purchased it from Swanson. I get a very large bottle for a modest and fair price. April 12, 2013
Rated 5 out of 5 by Great Product Fast service, great price would recomend to anyone Great Customer service April 4, 2013
Rated 5 out of 5 by L-LYSINE THIS IS AN AMINOACID NOT PRODUCED BY THE HUMAN BODY, IT IS USEFUL IN HELPING TO HAVE A HEALTHY NERVOUS SYSTEM IN ITS TOTAL CONTENT, BRAIN ACTIVITY AND ALL BODY NERVOUS SYSTEM. ITS RESULTS IN MY BODY HAS BEEN VERY GOOD, EXCELLENT. AND I HAVE FELT THE RESULTS IN SUCH A WAY THAT I WILL KEEP USING IT FOR A LONG TIME. March 30, 2013
Rated 5 out of 5 by Works Great I've taken L-Lysine for many years and I am extremely happy with the results! February 22, 2013
Rated 5 out of 5 by Amazing Been using this supplement for a few years. Extremely satisfied with its immune system defense properties. February 19, 2013
Rated 4 out of 5 by It works as intended I much prefer these 500mg capsules to the 1,000mg pills I have taken before. The pills are huge and very hard to swallow, but these caps go down easilly. Lysine is great to help rebalance your lysine/arginine ratio when you over indulge in those arginine rich foods like certain nuts. No need to try and eat lysine rich foods , just take these as recomended on the label and avoid all those extra calories! Lysine seems to live up to expectations! January 29, 2013
Rated 5 out of 5 by Excellect Product and A Great Value I've been taking this product for several years now and it has been a proven winner in my book September 26, 2012
Rated 5 out of 5 by Works Great!!!!!!!!!!!! This product works great. Will buy again when close to getting out. Thanks Swanson. August 7, 2012
Rated 5 out of 5 by Love this Really helpful with mouth health care. June 5, 2012
Rated 4 out of 5 by Great Value - Fishy Odor A fantastic value. I don't care for the way the capsuls smell. I would like a tablet. Capsuls are harder to swollow for me during pregnancy. November 19, 2010
Rated 3 out of 5 by Doesn't work for me I didn't understand why these capsules did not work well for me until I read the review by SwansonsFan1. Tablets work great for me therefore I cannot recommend this product for anyone that is looking to boost their lysine while dimishing the arginine in their body. I am disappointed as this is the only Swanson's product that does not work for me. September 1, 2010
Rated 5 out of 5 by The Best I've used different mfg's lysine over the years and Swanson's outperforms all of them. A great product at a great price! May 8, 2010
Rated 4 out of 5 by great product Since I'm not allowed to make medical or disease claims, just like one of the other reviewers I can tell you this product works! The only disappointment is the gelatin cap, which has arginine in it, which is counter-productive to the effectiveness of Lysine. Maybe in the future it will be a veggie cap. Other than that, this is an excellent product & Swanson rocks! August 8, 2009
Rated 5 out of 5 by Best supplement L-Lysine is an essential amino acid needed for human body. It keeps me healthy and energetic. July 30, 2009
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