L-Lysine

Amino acids like lysine are the building blocks of protein and are important for proper growth. Most people get enough lysine in their diet, although athletes may need more. Combination of Lysine and Arginine seem to increase growth hormone secretion, especially at rest.

Best L-Lysine

#1 Real Supplements Rated Best in 2020
NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 100 Tablets
  • DOUBLE STRENGTH VEGAN TABLETS/ESSENTIAL AMINO ACID: Lysine is an essential amino acid that must be obtained through diet or supplementation.
  • SUPPORTS COLLAGEN SYNTHESIS*/HEALTHY IMMUNE FUNCTION*: Lysine is necessary for the production of all proteins in the body and is required for the maintenance of the structural proteins collagen and elastin.* It is also a precursor to carnitine, which is needed for fat metabolism and energy production.*
  • CERTIFICATIONS/CLASSIFICATIONS: Soy Free, Non-GMO, Vegan/Vegetarian, Nut Free, Made without Gluten, Dairy Free, Egg Free, Kosher
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968
#2 Real Supplements Rated Best in 2020
NOW L-lysine 500 mg, 250 Capsules
  • Non-GMO
  • GMP Certified
  • Essential Amino Acid
  • Supports Collagen Synthesis*
  • Healthy Immune Function*
#3 Real Supplements Rated Best in 2020
Quantum Health Super Lysine+ / Advanced Formula Lysine+ Immune Support with Vitamin C, Echinacea, Licorice, Propolis, Odorless Garlic (180 Tablets)
  • SUPPORTS YOUR IMMUNE SYSTEM WITH 6 KEY INGREDIENTS IN STRATEGIC DOSES - L-Lysine, Vitamin C, Propolis, Garlic Bulb, Echinacea, and Licorice Root.
  • MAINTAIN HEALTHY LIPS - Helps fend off irritating lip eruptions and flare-ups.
  • EFFECTIVE SUPPORT FOR HEALTHY LIPS AND A HEALTHY IMMUNE SYSTEM – Use during times of immune system challenge or flare ups, or for year-round support with just 3 tablets daily.
  • AWARD WINNING LYSINE POWER FORMULA - Taste for Life Immunity Essentials Specialty Award (2015), Taste for Life Supplement Essentials Award (2013), Better Nutrition Best of Supplements Award (2008).
  • OUR PRODUCTS WORK EVEN BETTER TOGETHER - For optimal results, use in conjunction with our Super Lysine + Cold Sore Ointment.
#4 Real Supplements Rated Best in 2020
Nature Made Extra Strength L-Lysine 1000 mg Amino Acid, 60 Tablets (Packaging May Vary)
  • For a limited time, you may receive either bottle while we update our packaging. Both have the same great product inside. Based on new FDA regulations, you may also notice a change in the unit of measure and/or daily value for certain products.
  • Contains a 60-day supply of Nature Made L-Lysine 1000 mg Tablets, 60 tablets per bottle.
  • Essential amino acid
  • Adults, take 1 tablet daily with water and a meal.
  • 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.
#5 Real Supplements Rated Best in 2020
Pure Encapsulations - l-Lysine - Hypoallergenic Supplement Helps Maintain Healthy Arginine Levels and Immune Function - 90 Capsules
  • Essential Amino Acid: l-Lysine is an essential amino acid that cannot be manufactured by the body and must be obtained from the diet.*
  • Immune Support: l-Lysine provides nutritional support to help maintain healthy immune function.*
  • Natural Defense Support: l-Lysine maintains healthy arginine production and supports the body's natural defenses.*
  • Pure Ingredients: Pure Encapsulations manufactures a line of hypoallergenic, research-based dietary supplements. Products are meticulously formulated using pure ingredients designed to deliver predictable results for the benefit of all patients, even the most sensitive.*
  • Free From: Pure Encapsulations products are free from wheat, gluten, egg, peanuts, magnesium stearate, hydrogenated fat, artificial sweeteners and colors, and other unnecessary excipients. Any product containing ingredients derived from allergens, such as soy, dairy or shellfish is clearly labeled. *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.
#6 Real Supplements Rated Best in 2020
Amazing Nutrition Amazing Formulas L-Lysine - 1000mg Amino Acid Vitamin Tablets - Commonly Used for Cold Sores, Shingles, Immune Support, Respiratory Health & More - 180 Vegetarian Tablets Per Bottle
540 Reviews
Amazing Nutrition Amazing Formulas L-Lysine - 1000mg Amino Acid Vitamin Tablets - Commonly Used for Cold Sores, Shingles, Immune Support, Respiratory Health & More - 180 Vegetarian Tablets Per Bottle
  • KEEP SUPPLEMENTATION SIMPLE Whether You're Using Lysine for Cold Sores, For Immune Support, To Promote Healthy Bones or For Another Purpose, Amazing Nutrituion Makes It Easy to Benefit from The Amino Acid L- Lysine. Our L-Lysine 1000mg Tablets Provide the Most Recommended Dosage by Taking Just 1 To 2 Tablets Per Day!
  • A POTENT FORM OF LYSINE Amazing Nutrition L-Lysine 1000mg Tablets Contain L-Lysine Hcl, A Form That Is Believed to Be Easy for The Body to Absorb and Utilize
  • PURE, POTENT LYSINE Our Lysine Tablets Are Free of Fillers and Do Not Contain Artificial Flavors, Sweeteners or Preservatives
  • All Amazing Formulas products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world.
  • All our products are proudly made in USA with Guaranteed Purity & Potency. We offer best quality products for the best value. All our products are Third Party Tested. We do not compromise on quality.
Sale#7 Real Supplements Rated Best in 2020
Tomlyn Immune Support Daily L-Lysine Supplement, Fish-Flavored Lysine Powder for Cats and Kittens, 3.5oz
  • L-Lysine supplement for cats; supports normal eye function, respiratory health, strong immune system
  • Helps manage common feline health issues; sneezing, runny nose, squinting and watery, inflamed eyes
  • One to two scoops daily provides support for the immune and respiratory system for kittens and cats
  • Our vet-quality L-Lysine powder provides immune support for respiratory issues for as long as needed
  • Cats love our tasty, palatable fish-flavored powder; easy to dose and administer, simply add to food
Sale#8 Real Supplements Rated Best in 2020
Superior Labs – Best L-Lysine NonGMO - Dietary Supplement –500 mg Pure Active L-Lysine – 120 Vegetable Capsules – Supports Calcium Absorption – Immune System & Respiratory Health Support
  • 500 mg PURE ACTIVE L-LYSINE – Superior Labs’ L-Lysine supports calcium absorption and immune function to maintain muscle mass and promote well-being.*
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • MAINTAINS MUSCLE MASS – L-Lysine can support repair and restoration of muscle tissue. This helps to maintain muscle mass and reduce recovery time from workouts.*
  • UNQUESTIONABLE QUALITY - ALL PRODUCTS PRODUCED IN 3rd PARTY CERTIFIED NSF CERTIFIED FACILITIES - Few are and can pass the stringent standards of NSF. Our products are produced in facilities that have been 3rd party audited and certified for quality by NSF, one of the most stringent quality manufacturing assurance organizations in the industry.
  • NO RISK AND NO HASSLE - For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk. ​
Sale#9 Real Supplements Rated Best in 2020
Solgar L-Lysine 1000 mg, 250 Tablets
446 Reviews
Solgar L-Lysine 1000 mg, 250 Tablets
  • BENEFITS – L-Lysine is an amino acid that is used by the body for the production of collagen which is a protein that is used to promote the positive integrity of skin tissue as well as the lips.
  • EASY TO TAKE – The formulation of Solgar L-Lysine 1000mg provides the body with Free Form L-Lysine in order to promote optimal absorption and assimilation into the body’s systems.
  • ESSENTIAL AMINO – L-Lysine is an essential amino acid that contributes to the body being able to support the health of skin tissue.
  • SUITABLE FOR VEGANS – All capsules are non-GMO and certified gluten free. They are also free of wheat, dairy, soy, yeast, sugar, sodium, artificial flavors, sweeteners, preservatives and colors.
  • WARNING - If you are pregnant, nursing, taking any medications or have any medical condition, please consult your healthcare practitioner before taking any dietary supplement. Discontinue use and consult your healthcare practitioner if any adverse reactions occur
#10 Real Supplements Rated Best in 2020
Vetoquinol Viralys L-Lysine Supplement for Cats, 3.5oz/100g - Cats & Kittens of All Ages - Immune Health - Sneezing, Runny Nose, Squinting, Watery Eyes - Palatable Fish & Poultry Flavor Lysine Powder
  • Daily L-Lysine supplement for cats helps support a strong immune system and eye & respiratory health
  • Helps manage common feline health issues such as sneezing, runny nose and watery, inflamed eyes
  • Lysine powder for cats & kittens provides specially-formulated immune support for as long as needed
  • Cats love the highly-palatable fish and poultry flavor; simple to dose and easy to administer
  • Delivers veterinarian-recommended amount of Lysine: cats = 500mg 2x daily, kittens = 250mg 2x daily
#11 Real Supplements Rated Best in 2020
Nature Made L-Lysine 500 mg Tablets, 100 Count for Protein Synthesis† (Pack of 3)
  • L-Lysine, an essential amino acid, plays a key role in the makeup of body proteins.
  • No Color Added
  • No Artificial Flavors
  • No Preservatives
  • No Yeast
#12 Real Supplements Rated Best in 2020
Amazon Elements Lysine Complex with Vitamin C, 1500 mg L-Lysine with 100 mg Vitamin C per Serving (3 Tablets), Supports Immune Health, Vegetarian, 195 Tablets (Packaging may vary)
  • Lysine Complex with vitamin C, echinacea, and a variety of harvested ingredients, Supports Immune Health*
  • 195 tablets, a 2 month supply (taken at the listed serving size of 3 tablets daily)
  • No artificial colors, flavors or chemical preservatives
  • Vegetarian and gluten free.
  • Contains bee propolis
#13 Real Supplements Rated Best in 2020
Nutricost L-Lysine 1000mg, 500 Capsules - Gluten Free, Non-GMO, 500mg Per Capsule
  • 500mg of Premium L-Lysine Per Capsule, 1000mg Serving
  • 250 Servings (500 Capsules) of This Essential Amino Acid
  • Serving Size: 1-2 Capsules
  • Non-GMO, Gluten Free. Lid may be either blue or white
  • Made in a GMP Compliant, FDA Registered Facility.
Sale#14 Real Supplements Rated Best in 2020
Solgar L-Lysine 1000 mg, 100 Tablets
  • ESSENTIAL AMINO – L-Lysine is an essential amino acid that contributes to the body being able to support the health of skin tissue.
  • BENEFITS – L-Lysine is an amino acid that is used by the body for the production of collagen which is a protein that is used to promote the positive integrity of skin tissue as well as the lips.
  • EASY TO TAKE – The formulation of Solgar L-Lysine 1000mg provides the body with Free Form L-Lysine in order to promote optimal absorption and assimilation into the body’s systems.
  • SUITABLE FOR VEGANS – All capsules are non-GMO and certified gluten free. They are also free of wheat, dairy, soy, yeast, sugar, sodium, artificial flavors, sweeteners, preservatives and colors.
#15 Real Supplements Rated Best in 2020
Basic Organics L-Lysine Lip Ointment, 0.875 oz (2 Pack)
  • Aids in relief of cold sores, fever blisters, dry chapped lips, dry skin and minor skin irritations.
  • Aids in relief of cold sores, fever blisters, dry chapped lips, dry skin and minor skin irritations
  • Formula includes vitamins A, D and E, Tincture of Benzoin, Menthol and Camphor
  • Effective in significantly reducing cold sore symptoms
  • Easy-to-carry, convenient-size jar is a perfect fit for any purse or pocket
#16 Real Supplements Rated Best in 2020
Jarrow Formulas L-Lysine, Essential Amino Acid for Protein Metabolism, 500 Mg, 100 Caps
  • An Essential Amino Acid Necessary for Growth, Development, Tissue Maintenance and Repair*
  • Essential Amino Acid for Protein Metabolism*
  • L-Lysine is an essential amino acid necessary for growth, development, tissue maintenance and repair.*
  • No wheat, gluten, soybeans, dairy, egg, fish/shellfish, or peanuts/tree nuts
Sale#17 Real Supplements Rated Best in 2020
Vetoquinol Viralys Gel L-Lysine Supplement for Cats, 5oz - Cats & Kittens of All Ages - Immune Health - Sneezing, Runny Nose, Squinting, Watery Eyes - Palatable Maple Flavor Lysine Gel
  • Daily L-Lysine supplement for cats helps support a strong immune system and eye & respiratory health
  • Helps manage common feline health issues such as sneezing, runny nose and watery, inflamed eyes
  • Lysine gel for cats & kittens provides specially-formulated immune support for as long as needed
  • Cats love the highly-palatable maple-flavored gel; simple to dose and easy to administer
  • Delivers veterinarian-recommended amount of Lysine: cats = 500mg 2x daily, kittens = 250mg 2x daily
Sale#18 Real Supplements Rated Best in 2020
L-Lysine Chews for Cats, Immune and Respiratory Support Supplement, 60 Bite Sized Chews (3.74oz)
  • L-Lysine from Pet Natural’s comes in a delicious chicken liver bite sized chew that cats love!
  • Lysine is recommended for cats that need added immune support, respiratory health support and for other conditions that are responsive to lysine.
  • L-Lysine from Pet Naturals contains no wheat, corn or artificial ingredients.
  • L-Lysine is great for multi cat households
  • Pet Naturals of Vermont products are veterinarian formulated and manufactured in the USA.
Sale#19 Real Supplements Rated Best in 2020
NOW Pet Health, L-Lysine Supplement, Powder, Formulated for Cats, NASC Certified, 8-Ounce
  • IMMUNE SYSTEM SUPPORT FOR CATS: NOW Pets L-Lysine Powder helps support a healthy immune system, normal respiratory health, and also helps to maintain ocular health. Give to your cat during or after mealtime. For cats 6 months or older 1/8 teaspoon twice daily and kittens under 6 months give 1/16 teaspoon twice daily.
  • VETERINARIAN RECOMMENDED: NOW Pets L-Lysine Powder is recommended by renowned veterinarian Dr. Barbara Royal, DVM, CVA, founder of the Royal Treatment Veterinary Center.
  • NASC CERTIFIED: NOW Pets has been certified by the National Animal Supplement Council (NASC), an organization that protects and enhances the integrity of the animal health product industry by promoting the well-being of non-human food chain animals that are given animal health supplements by their owners.
  • NOW Pets premium pet supplements are formulated and manufactured with the same attention to quality and detail NOW puts into their supplements intended for humans, from the sourcing of top-quality ingredients to finished product testing.
  • Packaged in the USA by a family owned and operated company since 1968
Sale#20 Real Supplements Rated Best in 2020
Country Life Chewable L-Lysine 600mg - 60 Tabs - Supports Immune Health - Supports Natural Collagen Production - Vitamin D - Elderberry - Great Taste
  • THE FIRST CHEWABLE LYSINE PRODUCT - Country Life has brought you the very first chewable Lysine product on the market. With key ingredients to support your immune health, this chewable lysine has everything you need.
  • KEY IMMUNE BOOSTING INGREDIENTS - Country Life L-Lysine w/ Vitamin D and Elderberry is chalk full of immune boosting ingredients. Vitamin D aids in the assimilation of the other ingredients, while Elderberry has the immune system support you need. This product has a balance of immune boosting ingredients to keep you healthy all year.
  • SUPPORTS HEALTHY COLLAGEN PRODUCTION - L-Lysine is an amino acid that helps support your own body's ability to naturally product collagen. Collagen is the fundamental building block behind the soft tissue in your body like skin, joints, tends, and other connective tissues.
  • GREAT TASTING - Not only is Country Life Lysine with Vitamin D and Elderberry the first chewable lysine product, but it is also the first one that has successfully removed the bitter taste associated with amino acids!
  • PLEDGE OF INTEGRITY - Country Life is committed that every product contains high quality ingredients, cleanliness, freshness, consistency and accuracy of labeling.

Top 10 functions of L-lysine in the human body

The complex biochemistry of the human body demands hundreds and thousands of chemicals for proper body functioning. The L-lysine, an essential amino acid is a similar chemical that promotes body function when obtained in the right amount from the food sources or supplements. As it is an essential amino acid, it is not produced by the body. The functions that it plays in the human body include the following:

1. Essential for child’s growth

The credit here goes to growth hormone. Lysine is known for its enhancement effect on this hormone. This helps in proper physical and intellectual growth of the child.

2. Reduces anxiety

L-lysine produces brain soothing effect in the body thus reducing anxiety and panic attacks. It is also known to help alleviate anxiety in patients with schizophrenia.

3. Helpful for diabetic patients

There are tons of metabolic processes going on in the body. L-lysine supports the diabetic patients by inhibiting the production of advanced glycation end products. This helps in lowering the risk of infections and helps the body stay away from other diabetes complications.

4. Treats herpes disease

According to British Society for Antimicrobial Chemotherapy, a study proved that L-lysine supplements have an anti-viral effect that helps in treating viral diseases like the herpes infection. The cold sores, mouth and genital blisters, as well as, pain can be reduced by its use.

5. Produces carnitine

L-lysine helps in producing carnitine but what is carnitine and how does it help the body? This element is found in all the body cells and it participates in generating energy from fatty acids. Sufficient amount of lysine in the body keeps it active and fatigue-free.

6. Heals Osteoarthritis

The function mentioned in point number ten – improved calcium absorption, helps in treating osteoarthritis. It helps in preventing bone loss that occurs in this joint degenerative disease. Along L-arginine, Lysine promotes the bone-building cells in the body and enhances bone growth.

7. Reduces acne outbreaks

No direct studies are present to prove the function of lysine in improving acne but many patients are in its favor. They say that the frequency of acne outbreaks reduces with L-lysine supplements. As collagen plays an important role in supporting and repairing the skin, the supplement promotes collagen formation which in return benefits the skin.

8. Boosts athletic performance

The evidence stated in the journal named Current Medical Research and Opinion talks about eight times increase in the growth hormone in the body by taking L-Lysine. This hormone boosts the body’s athletic performance, increases muscle mass, and reduces fatigue by rapid muscular healing.

9. Relieves stress

The animal protein like red meat, eggs, and fatty fish are rich sources of this nutrient. A study shows that sufficient intake of the foods containing L-lysine helps the body fight stressful situations.

10. Improves calcium absorption

It is seen that L-lysine promotes calcium absorption from the digestive tract. As calcium is important for healthy bones, dental and muscle health, the supplement proves beneficial. It also helps in fighting cancer, reducing PMS symptoms and gaining weight.

Real Supplements gives you the best L-Lysine on the market today. Our top-rated lists are fresh and current so you get the best options.

 

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