A lot of people don't get enough of the vitamin lysine in their diets, which can lead to a number of health problems.

Most people don't know that they're not getting enough lysine in their diets, and this can lead to some major health problems down the road.

The best lysine supplement is the perfect way to make sure you're getting the right amount of this important vitamin. With lysine, you'll be able to fight off diseases and improve your overall health.

We've curated a list of top-quality products below that we're confident you'll love. Our editors have independently selected each one, and although some have been sent to us as samples, all opinions in this article are our own. We want to be transparent with you and let you know that FlairFindings may earn a commission or other compensation from the links on this page if you decide to make a purchase. This is how we sustain our business & content flow. Additionally, we have edited reviews for length and clarity. We hope you enjoy discovering your new favorite item!

How We Select The Best

If you’re looking for a natural way to treat your cold sores, lysine might be the supplement for you. Lysine is an amino acid that some people believe can help with cold sores.

Many people say that it has helped them with their symptoms. We want to help you find the best lysine supplement for you.

Keep scrolling down to learn more about the benefits of lysine supplements & pick your favorite!

Pure Encapsulations L-Lysine

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What's the Big Deal?

Pure Encapsulations L-Lysine capsules has been formulated to provide the human body with exactly what it needs in order to assist with health and wellness.

Each 500mg tablet of Pure Encapsulations L-Lysine HCL provides pure nutrition in a gluten-free, vegetarian and vegan form, confirming its reliability as you can trust this product from a premium brand that medical professionals trust. By taking Pure Encapsulations L-Lysine on a regular basis, you'll reap the benefits of this vital nutrient and enjoy improved bone synthesis, collagen production and comprehensive lifestyle support.

What You Should Know

Pure Encapsulations' lysine complex provides an ideal personalized dose, thanks to its smaller serving size compared with other brands. Plus, this supplement contains ascorbyl palmitate – a form of vitamin C created by combining both ascorbic acid and palmitic acid that acts like an antioxidant while stimulating collagen production.

Pure Encapsulation is committed to producing only pure products free from artificial additives making them safe for anyone looking for effective supplementation options. Furthermore they partner up with leading health professionals which further guarantees their efficiency and efficacy!

What's the Big Deal?

Thorne Lysine is an all-natural supplement that brings your body the lysine it needs to stay healthy. Lysine helps with calcium absorption, meaning stronger and healthier bones and teeth.

This supplement has many great benefits, among them being its ability to heal unhealthy skin by promoting collagen formation. With no artificial colors or preservatives added to Thorne's supplements at any time during manufacturing or packaging - it's easier than ever to help promote your health from the inside out!

What You Should Know

Thorne Lysine is the perfect supplement for those with food sensitivities and allergies - rest assured that it doesn't contain any gluten, eggs, tree nuts, peanuts or other common allergens.

Lysine can be used as a nutritional support for the body’s natural defenses, as well as helping to maintain healthy gum and lip tissues. What's more? It has been rigorously tested by leading healthcare research authority Mayo Clinic!

Solgar L-Lysine

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What's the Big Deal?

Introducing Solgar L-Lysine – the essential amino acid for optimal health. A lack of essential amino acids can cause the body's needs for non-essential amino acids to increase, calling for dietary or supplement intervention. Solgar L-Lysine is there to help with this requirement and provide a natural alternative to support better health outcomes.

It is formulated using quality ingredients that are non GMO, vegetarian friendly and free from artificial colors, flavors or preservatives so you can be sure you're taking only the most premium product available. Make Solgar L-Lysine part of your daily routine today for healthier outcomes tomorrow!

What You Should Know

Solgar's L-Lysine provides an extra boost of bioavailability for improved absorption and assimilation. Its signature composition helps to protect the skin, lips and more; your body can even use it to manufacture collagen - a key component in healthy tissue growth!

Now Food Varieties L-Lysine

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What's the Big Deal?

Now Food Varieties L-Lysine is the ideal supplement for those who want to support joint health and collagen synthesis. This vegan supplement contains a double strength dose of the essential amino acid, lysine.

This product works to support the production of proteins in your body while also aiding in the maintenance of collagen and elastin, two important structural proteins, also converting fatty acids into energy. Don’t waste another day feeling lethargic and without energy; take Now Foods Varieties L-Lysine today to start supporting your body’s protein production with an all-natural product.

What You Should Know

Now Food Varieties is committed to providing safe, high-quality products that meet your dietary needs! Their L-Lysine product has been rigorously tested and certified as Non-GMO, Vegan/Vegetarian, Soy Free, Nut Free and more. To ensure quality throughout their entire manufacturing process they have achieved NPA A rated GMP certification - so you can trust the safety of your purchase!

Bronson L-Lysine Guard

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What's the Big Deal?

Bronson L-Lysine Extra Strength provides the highest quality and most effective nutritional dietary supplement for your immune system. Each vegetarian capsule contains 1000 MG of L-Lysine, an essential amino acid that promotes collagen synthesis and helps to support a healthy immune system.

This high potency formula is ideal for those looking to increase their daily L-Lysine intake without compromising on quality or efficacy, providing superior results in one convenient dose. The vegetarian capsules are easy to digest and have no artificial ingredients. Trust Bronson's L-Lysine Guard as the premium nutrition supplement designed to ensure your body has optimal amounts of this important nutrient!

What You Should Know

Bronson strives for excellence in every product they make. Their process guarantees only the purest, most potent and trustworthy ingredients are used- all of which have been laboratory tested to be GMO-, Gluten- and Soy-free! All products being crafted by dedicated professionals using state of the art methods at Bronson's facility.

Benefits, Dosage, and Side Effects

Lysine supplement has benefits and side effects just like any other supplement. Let's discuss them along with their recommended dosage.


Lysine is a powerhouse nutrient essential to healthy bone development, muscle maintenance and immunity-boosting. This important amino acid helps your body absorb calcium more efficiently, reducing urine loss of this vital mineral while simultaneously increasing the odds of building strong bones early in life!


To keep Herpes outbreaks at bay, try supplementing your diet with L Lysine. Recommended dosage is 500mg 2-3 times daily to support a healthy immune system and defend against flare ups. To further help prevent breakouts, avoid Arginine rich foods such as chocolate, nuts and dairy which can trigger the virus' activity.

Side Effects

Although lysine is generally considered safe to take, caution should still be taken when supplementing it. Increased levels of cholesterol and triglycerides in the blood can occur - a risk that needs consideration for those with cardiovascular disease.

Overdosing on lysine may cause gastrointestinal distress such as diarrhea, nausea and stomach cramps; this could also affect organs like kidneys or liver which store large volumes of blood. Therefore if any health concerns arise after taking Lysine supplements, consulting your physician is highly recommended!

Lysine Supplement FAQs

What is lysine?

Lysine is a vital amino acid; essential for the body to function optimally. It can be found in various dietary sources, including meat, fish, dairy and beans.

What is the best type of lysine supplement?

The body loves L-lysine! This essential amino acid is easiest for the body to process in either capsule or powder form. Make sure you get your daily dose of this powerhouse nutrient and feel its energizing effects!

How much lysine would it be a good idea for me to take?

Combat flare-ups and promote a healthier immune system with 500mg of daily immunity support. Take 2-3 doses throughout the day to keep your body in top shape!

Is taking Lysine supplements safe?

Lysine is considered a safe supplement, however it's always wise to consult with your doctor before making any dietary changes. Furthermore, lysine should not be taken by those taking GI medications or calcium supplements.

What are the advantages of taking a lysine supplement?

Lysine supplementation has many potential benefits and is used for various health needs. It can be taken to relieve cold sore outbreaks or inhibit herpes flare-ups, as well bolster calcium absorption in the body and aid protein synthesis which helps with immunity.

Might your body at any point make lysine?

Lysine is an essential nutrient that cannot be produced by the body. The best way to ensure adequate intake of this valuable amino acid is through food sources or dietary supplements.

Who should purchase lysine?

Vegans, vegetarians, athletes and people prone to cold sores or herpes simplex virus outbreaks may benefit significantly from supplementing with lysine-rich products as it helps provide adequate amounts of this essential nutrient which supports muscle recovery, reduces soreness and boosts energy levels.

What happens if you take lysine everyday?

For most people it's safe for regular use at up to 3000 mg daily for 12 months - but beware that stomach pain or diarrhea may occur in some cases.

Is lysine an anti inflammatory?

Superior labs L-lysine is a powerful ally in the fight against gut inflammation, easing symptoms of leaky gut and IBS by targeting the delicate linings of stomach and intestines.

What are the symptoms of lysine deficiency?

Low levels of lysine can cause a wide range of health issues, like fatigue and anemia. Luckily, this deficiency is easily remedied with the right diet: proteins such as meats, cheese and fish are all excellent sources for the amino acid! Keep in mind that not getting enough lysine can lead to niacin-deficiency so it's important to consider adding nuts or eggs into your meals too.

Final Word

Are you ready to take control of your health and experience the extraordinary benefits of lysine supplementation? The best lysine supplements can help you achieve just that. Say goodbye to the days of feeling run down and vulnerable to illness.

With these products, you'll be able to give your body the boost it needs to stay healthy and strong. Don't wait any longer, start your journey to optimal health today with supplemental lysine.