20 Best Lysine Reviews [2025]

Are you looking for the best lysine reviews? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling lysine reviews.

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1 NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 100... NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 100...
2 Goli Apple Cider Vinegar Gummy Vitamins - 60 Count - Vitamins B9 & B12, Gelatin-Free, Gluten-Free,... Goli Apple Cider Vinegar Gummy Vitamins - 60 Count - Vitamins B9 & B12, Gelatin-Free,...
3 Nature Made L-Lysine 1000 mg, Dietary Supplement, 60 Tablets, 60 Day Supply Nature Made L-Lysine 1000 mg, Dietary Supplement, 60 Tablets, 60 Day Supply
4 Quantum Health Super Lysine+ / Advanced Formula Lysine+ Immune Support with Vitamin C, Echinacea,... Quantum Health Super Lysine+ / Advanced Formula Lysine+ Immune Support with Vitamin C, Echinacea,...
5 Pure Encapsulations L-Lysine | Amino Acid Supplement for Immune Support and Gum Health* | 90... Pure Encapsulations L-Lysine | Amino Acid Supplement for Immune Support and Gum Health* | 90...
6 Super Immune Plus Lysine - 90 vegicaps,(Quantum Health) Super Immune Plus Lysine - 90 vegicaps,(Quantum Health)
7 Thorne Lysine - Essential Amino Acid for Skin Health, Energy Production, and Immune Function - 500... Thorne Lysine - Essential Amino Acid for Skin Health, Energy Production, and Immune Function -...
8 Nutrafol Women’s Balance Menopause Supplement, Clinically Proven Hair Growth Supplement for... Nutrafol Women’s Balance Menopause Supplement, Clinically Proven Hair Growth Supplement for...
9 Amino Acids in Therapy: A Guide to the Therapeutic Application of Protein Constituents Amino Acids in Therapy: A Guide to the Therapeutic Application of Protein Constituents
10 Quantum Super Lysine, 2-Ounce, 1 Bottle Quantum Super Lysine, 2-Ounce, 1 Bottle
11 NOW Supplements, L-Lysine (L-Lysine Monohydrochloride) 500 mg, Amino Acid, 100 Veg Capsules NOW Supplements, L-Lysine (L-Lysine Monohydrochloride) 500 mg, Amino Acid, 100 Veg Capsules
12 Bronson L-Lysine Defense Immune Support Complex 1500 MG L-Lysine Plus Olive Leaf, Garlic, Vitamin C... Bronson L-Lysine Defense Immune Support Complex 1500 MG L-Lysine Plus Olive Leaf, Garlic, Vitamin...
13 L-Lysine 1000mg + Quercetin 250mg Supplement, 240 Capsules, Free Form, 4-in-1 Lysine Complex,... L-Lysine 1000mg + Quercetin 250mg Supplement, 240 Capsules, Free Form, 4-in-1 Lysine Complex,...
14 NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 500 mg, Amino Acid, 250 Tablets NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 500 mg, Amino Acid, 250 Tablets
15 Quantum Health Super Lysine+ Cold Sore Treatment, Lip Balm Ointment - Menthol, Calendula, Propolis,... Quantum Health Super Lysine+ Cold Sore Treatment, Lip Balm Ointment - Menthol, Calendula,...
16 Life Extension L-Lysine 620 mg - For Healthy Nitrogen Balance, Stress Response & Calcuim Metabolism... Life Extension L-Lysine 620 mg - For Healthy Nitrogen Balance, Stress Response & Calcuim...
17 Carlson - L-Lysine Powder, Free-Form Amino Acid, 960 mg, Supports Healthy Tissue & Muscle... Carlson - L-Lysine Powder, Free-Form Amino Acid, 960 mg, Supports Healthy Tissue & Muscle...
18 Immune Support Formula (H Rescue Discreet) Immune Support Supplement L Lysine, Zinc, Vitamin C,... Immune Support Formula (H Rescue Discreet) Immune Support Supplement L Lysine, Zinc, Vitamin C,...
19 TIMEX WOMENS 12MM ONE PIECE SLIP THRU ONE PIECE WATCH BAND LONG TIMEX WOMENS 12MM ONE PIECE SLIP THRU ONE PIECE WATCH BAND LONG
20 Quantum Health Super Lysine+ / Advanced Formula Lysine+ Immune Support with Vitamin C, Echinacea,... Quantum Health Super Lysine+ / Advanced Formula Lysine+ Immune Support with Vitamin C, Echinacea,...
SaleBestseller No. 1
NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 100...
  • Double strength vegan tablets/essential amino acid: Lysine is an essential amino acid that must be obtained through diet or supplementation.
  • SUPPORTS COLLAGEN SYNTHESIS: Necessary for the production of all proteins in the body and is required for the maintenance of the structural proteins...
  • Certifications/classifications: Soy free, non-GMO, vegan/vegetarian, nut free, made without gluten, dairy free, egg free, kosher. Note : Natural color...
  • GMP quality assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our...
  • Packaged in the USA by a family owned and operated company since 1968
Bestseller No. 2
Goli Apple Cider Vinegar Gummy Vitamins - 60 Count - Vitamins B9 & B12, Gelatin-Free, Gluten-Free,...
  • Vegan, Non-GMO, Gluten-free & Gelatin-free: Each bottle of Goli contains 60 delicious, vegan, non-gmo, gluten-free & gelatin-free Apple Cider Vinegar...
  • Made in the USA with locally and globally sourced ingredients. Goli Gummies are made in allergen-free, cGMP certified facilities in the United States...
  • Patented Formula, Essential Vitamins, Great Taste: Our patented formula contains essential Vitamins B9 and B12 to help support cellular energy...
  • Vitamin Angels: Goli is a proud supporter of Vitamin Angels
SaleBestseller No. 3
Nature Made L-Lysine 1000 mg, Dietary Supplement, 60 Tablets, 60 Day Supply
  • Protein synthesis support supplement: Contains one 60 count bottle of Nature Made L-Lysine 1000 mg Tablets for a 60-day supply
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product...
  • L Lysine is an essential amino acid that supports protein synthesis
  • This L Lysine supplement provides 1000 mg of Lysine in just one daily tablet
  • Adults take one of these Lysine tablets daily with water and a meal
SaleBestseller No. 4
Quantum Health Super Lysine+ / Advanced Formula Lysine+ Immune Support with Vitamin C, Echinacea,...
  • ADVANCED L-LYSINE IMMUNE BOOST - Super Lysine+ provides L-Lysine, Vitamin C, deodorized garlic, and Echinacea for immune support and lip health, plus...
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product...
  • THE MANY BENEFITS OF LYSINE - A building block of protein, Lysine benefits include immune system support, promoting collagen growth, & supporting lip...
  • AWARD-WINNING LYSINE POWER FORMULA - Taste for Life Immunity Essentials Specialty Award (2015), Taste for Life Supplement Essentials Award (2013), and...
  • FROM A TRUSTED LEADER IN THE NATURAL PRODUCTS INDUSTRY – Quantum Health's first product was a Lysine cold sore treatment. Since then, Quantum Health...
Bestseller No. 5
Pure Encapsulations L-Lysine | Amino Acid Supplement for Immune Support and Gum Health* | 90...
  • 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 immune defenses.*
  • Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then...
  • Pure Difference: What makes us different isn't just our process or what goes into our supplements - what we leave out matters, too. Pure...
Bestseller No. 6
Super Immune Plus Lysine - 90 vegicaps,(Quantum Health)
  • 100% Original, Branded Products at Fantastic Prices.
Bestseller No. 7
Thorne Lysine - Essential Amino Acid for Skin Health, Energy Production, and Immune Function - 500...
  • Wound Healing: Supports the healing of unhealthy skin by promoting collagen formation
  • Immune Health: Lysine’s nutritional support helps the body maintain its natural defenses and promotes healthy gum and lip tissues
  • Skin And Bone Health: Promotes collagen formation for healthy and elastic skin, while also promoting calcium absorption for strong bones and teeth
  • Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, yeast, soy, fish, or shellfish
  • Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on...
Bestseller No. 8
Nutrafol Women’s Balance Menopause Supplement, Clinically Proven Hair Growth Supplement for...
  • NATURAL HAIR GROWTH: 4 capsules per day of this clinically effective hair supplement promotes visibly thicker hair growth and more scalp coverage...
  • SUPPORTS HORMONE HEALTH: Improves hair growth by targeting root causes of thinning hair for women in peri- and postmenopause–like hormone shifts and...
  • CLINICALLY PROVEN TO IMPROVE HAIR GROWTH: 100% of women showed improved hair growth after 9 months, 93% saw less dryness and brittleness, and 93% felt...
  • THE #1 DERMATOLOGIST-RECOMMENDED HAIR GROWTH SUPPLEMENT BRAND*: Grow with the brand trusted by leading dermatologists to improve hair growth...
  • AWARD-WINNING FORMULA: Winner of the Best Anti-Aging Hair Supplement of 2021 Award from Harper’s Bazaar.
SaleBestseller No. 9
Amino Acids in Therapy: A Guide to the Therapeutic Application of Protein Constituents
  • Used Book in Good Condition
  • Chaitow D.O. N.D., Leon (Author)
  • English (Publication Language)
  • 112 Pages - 04/01/1985 (Publication Date) - Healing Arts Press (Publisher)
Bestseller No. 10
Quantum Super Lysine, 2-Ounce, 1 Bottle
  • IMMUNITY BOOSTER - This comprehensive supplement is designed to help promote recovery and support daily lip care during periods of immune challenges.
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product...
  • GET AHEAD OF WHAT'S GETTING YOU BEHIND - Stress and immune challenges may get the best of you, but our special immune support formula can enable a...
  • HERBAL IMMUNE SUPPORT - This complex balance of L-lysine, Vitamin C, Echinacea, Licorice, Propolis, Shitaake Mushroom, Goldenseal, and odorless Garlic...
  • EXTENDED BENEFITS - Along with immune support and oral care, propolis and licorice offer antioxidant support to combat free radicals in the...
SaleBestseller No. 11
NOW Supplements, L-Lysine (L-Lysine Monohydrochloride) 500 mg, Amino Acid, 100 Veg Capsules
  • SUPPORTS COLLAGEN SYNTHESIS*: Necessary for the production of all proteins in the body and is required for the maintenance of the structural proteins...
  • HEALTHY IMMUNE FUNCTION*: May help to support a healthy immune system and proper cardiovascular function.*
  • CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Halal, Soy Free
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our...
  • Packaged in the USA by a family owned and operated company since 1968.
SaleBestseller No. 12
Bronson L-Lysine Defense Immune Support Complex 1500 MG L-Lysine Plus Olive Leaf, Garlic, Vitamin C...
  • L-Lysine Defense Complex: L-Lysine is an essential amino acid that is obtained through foods and supplementation. It’s thought that L-Lysine helps...
  • Plus Olive Leaf, Garlic, Vitamin C & Zinc: L-Lysine combined with key additional immune support ingredients for superior coverage. Combining natural...
  • Highest Quality Formula: Laboratory tested NON-GMO. All Bronson products are tested in our state-of-the-art cGMP registered facility in New York.
  • Trusted Since 1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation...
Bestseller No. 13
L-Lysine 1000mg + Quercetin 250mg Supplement, 240 Capsules, Free Form, 4-in-1 Lysine Complex,...
  • NatureBell rare double strength best lysine supplement. Cultivated from the advanced LysGuard formula. Contains super health nutrients from free...
  • LysGuard is the most powerful amino acid nutritional supplements for men and women. A combination of immunity vitamins for adults that provides all...
  • 240 high dosage capsules, with up to a 3 month supply. 1475mg total dose with 3 capsules per serving. A proprietary blend that equals 1000mg L-lysine...
  • An important eaa that is necessary to have because we cannot produce it without the help of food or supplements. Has combined benefits that support...
  • All natural non GMO ingredients. Free of gluten, wheat, soy, dairy, eggs, fish/shellfish, tree nuts, and peanuts. It is also made in USA from global...
SaleBestseller No. 14
NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 500 mg, Amino Acid, 250 Tablets
  • ESSENTIAL AMINO ACID: L-Lysine is an essential amino acid, which means that it cannot be manufactured by the body and must be obtained through the...
  • SUPPORTS HEALTHY CONNECTIVE TISSUE AND CALCIUM ABSORPTION: Lysine is necessary for the production of all protein in the body including hormones,...
  • CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Dairy Free, Egg Free, Made without Gluten, Nut Free, Soy Free, Vegan/Vegetarian
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our...
  • Packaged in the USA by a family owned and operated company since 1968
Bestseller No. 15
Quantum Health Super Lysine+ Cold Sore Treatment, Lip Balm Ointment - Menthol, Calendula, Propolis,...
  • CUTS COLD SORE HEALING TIME IN HALF - 40% of participants in a Southern California University of Health Sciences clinical study were fully cured of...
  • EXPERIENCE INSTANT RELIEF - Soothes and moisturizes; reduces pain, burning, and itching upon contact.
  • INNOVATIVE COLD SORE FIGHTING FORMULA - Includes active ingredient menthol, which brings fast pain relief, and lysine, which inhibits the activity of...
  • AWARD WINNING BRAND - Taste for Life Magazine gave our Super Lysine+ Ointment their Essential Supplements Award in 2017.
  • OUR PRODUCTS WORK EVEN BETTER TOGETHER - For optimal results, use in conjunction with our Super Lysine+ Tablets, and LipCare+ Cold Sore Bandages to...
Bestseller No. 16
Life Extension L-Lysine 620 mg - For Healthy Nitrogen Balance, Stress Response & Calcuim Metabolism...
  • THE LITTLE AMINO THAT COULD – Lysine is one of the building blocks of protein. It’s also an essential amino acid, which means your body cannot...
  • AGING THE HEALTHY WAY – Lysine helps inhibit glycation, a biochemical reaction where lipids and proteins bind to sugars in non-functional ways....
  • HEALTHY RESPONSE TO STRESS – Want to know something else about lysine? This helpful little amino acid helps encourage your body’s healthy response...
  • INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO...
  • LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the...
SaleBestseller No. 17
Carlson - L-Lysine Powder, Free-Form Amino Acid, 960 mg, Supports Healthy Tissue & Muscle...
  • Supports healthy tissue
  • Promotes muscle development
  • Provides 960 mg of L-lysine per 1/2 teaspoon
  • Powder form for maximum absorption
  • Potency and quality guaranteed
Bestseller No. 18
Immune Support Formula (H Rescue Discreet) Immune Support Supplement L Lysine, Zinc, Vitamin C,...
  • Supports the Immune System
  • 100% ALL NATURAL maximum strength immune support supplement.
  • Pure ingredients of Lysine, Vitamin C, Zinc, Oregano Oil, Prunella Vulgaris, Red Marine Algae, Bee Propolis, and Olive Leaf Extract
  • Manufactured in a GMP compliant approved facility in the USA
Bestseller No. 20
Quantum Health Super Lysine+ / Advanced Formula Lysine+ Immune Support with Vitamin C, Echinacea,...
  • IMMUNITY BOOSTER - This comprehensive daily supplement is designed to help promote immune health and support daily lip care.
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product...
  • GET AHEAD OF WHAT'S GETTING YOU BEHIND - Stress and immune challenges may get the best of you, but our special immune support formula can enable a...
  • HERBAL IMMUNE SUPPORT - This complex balance of L-lysine, Vitamin C, Echinacea, Licorice, Propolis, and odorless Garlic help regulate arginine...
  • EXTENDED BENEFITS - Along with immune support and oral care, propolis and licorice offer antioxidant support to combat free radicals in the...

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FAQ:

Q: Does lysine really work?

A: Lysine, in particular, also plays a role in helping your body develop collagen and absorb calcium, and it aids in the production of carnitine, which may help to lower cholesterol levels, according to PennState Hershey Milton S. Hershey Medical Center. Meat, cheese, eggs, beans (especially soybeans) and fenugreek are all good sources of lysine.

Q: How do I choose the best lysine supplement?

A: – How to read the labels, so you know how much lysine you can really expect from a product without being fooled. – Lysine dosage for uses including cold sores, genital herpes lesions and canker sores. – Concerns, drug interactions, and potential side-effects of lysine.

Q: What are lysine side effects?

A: – osteoporosis; – lysinuric protein intolerance (in children); or – kidney disease.

Q: Is lysine similar to tryptophan?

A: This ratio was not affected by response criteria, e.g., body weight, performance level, protein or lysine level, or genetics of the animals. The constancy of this ratio implies that requirements of tryptophan, relative to lysine, are similar for growing pigs and pigs at maintenance.