Swanson Amino Acid Free-Form L-Lysine 500 Milligrams 300 Capsule

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.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Health Vitality

Our goal is to provide you with science-backed, simplified health and wellness solutions to nurture your wellness journey every day.

We believe in health and vitality at every age, which is why our nutrition scientists and innovation experts continually search the globe for better ingredients and new scientific research findings to create vitamins, supplements and wellness products that fit easily into your modern life.

Innovation Research

At Swanson, we get it Nutrition and exercise needs can change due to lifestyle, environment, work, illness, age and more.

Our products are inspired by clinical research backed by scientific consensus. Each is formulated to deliver the highest quality with the lowest environmental impact. Our nutritional supplements and wellness products are trusted by healthcare practitioners and consumers worldwide.

Strong Heritage

Our story began in Fargo, North Dakota, when a man with a passion for golf was looking to lessen his joint pain. His research into the benefits of vitamins and supplements nurtured a deep commitment to wellness at every age and a desire to share his findings with others. In 1969, our first product was vitamin E to support cardiovascular health and antioxidant activity to neutralize free radicals.* Today, we offer thousands of innovative, science-backed wellness solutions and nutritional supplements that help people live SIMPLY HEALTHIER TOGETHER.

Good Manufacturing Practices

We take quality seriously, and that s why we are voluntary members of NSF International and follow Good Manufacturing Practices to ensure that our procedures are the best they can be.

Quality Testing

Our quality testing includes, but is not limited to

By following strict guidelines, we ensure our products are carefully and rigorously tested for both purity and potency.

Third-Party Testing

These labs are ISO 17025 Certified. ISO IEC 17025 is the standard accreditation most labs must hold in order to be deemed technically competent. Laboratories use ISO IEC 17025 to implement a quality system aimed at improving their ability to consistently produce valid results.

Industry Regulations FDA FTC

Swanson complies with both Food and Drug Administration FDA and the Federal Trade Commission FTC guidelines. These ensure that consumers can trust the label information and safety of all our products. Virtually all facets of supplement manufacturing, labeling and marketing are covered by extensive regulations issued and enforced by the FDA and FTC.

* These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

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Customer reviews

Helena: a great supplement

I ve been buying Swanson vitamins for years, and this one is particularly easy to take. I use it for help in staving off cold sore outbreaks by taking it daily and taking extra doses when one is trying to emerge.

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