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Health & Household

Vitamins, Minerals & Supplements

Lysines

10 Best Lysines 2025 in the United States

Name: Vetoquinol Viralys L-Lysine Supplement for Cats - Cats & Kittens of All Ages - Immune Health - Sneezing, Runny Nose, Squinting, Watery Eyes - Flavored Lysine Powder
Brand: Vetoquinol
Price: 30.49 USD
Availability: InStock

From leading brands and best sellers available on the web.

Nutrition Strength Coenzyme Q10 for Dogs Grain-Free Supplement, Ubiquinol - The Electron-Rich Form of CoQ10, Promotes Heart Health, Cognitive and Energy Support for Dogs, 120 Chewable Tablets

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Winner

Vetoquinol

Vetoquinol Viralys L-Lysine Supplement for Cats - Cats & Kittens of All Ages - Immune Health - Sneezing, Runny Nose, Squinting, Watery Eyes - Flavored Lysine Powder

9.9

score

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Nutrition Strength Coenzyme Q10 for Dogs Grain-Free Supplement, Ubiquinol - The Electron-Rich Form of CoQ10, Promotes Heart Health, Cognitive and Energy Support for Dogs, 120 Chewable Tablets

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VETRISCIENCE

VetriScience Vetri Lysine Plus - 120 Chews - Immune Support Cat Supplements and Vitamins with L-Lysine and DMG for Immunity and Respiratory Health

9.8

score

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VETRISCIENCE

VetriScience Vetri Lysine Plus for Cats, 90 Chicken Flavored Chews - Immune and Respiratory Support Supplement for Cats

9.7

score

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NOW Foods

NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 250 Tablets

9.4

score

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Quantum Health

Quantum Health Super Lysine+ / Advanced Formula Lysine+ Immune Support with Vitamin C, Echinacea, Licorice, Propolis, Odorless Garlic (180 Tablets), Packaging may vary

9.1

score

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Nutricost

Editor’s Choice

Nutricost L-Lysine 1000mg Per Serving, 250 Servings, 500 Capsules - Gluten Free, Non-GMO, 500mg Per Capsule

8.8

score

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Pure Encapsulations

Pure Encapsulations L-Lysine - Essential Amino Acid Supplement for Immune Support & Gum, Lip Health* - with L-Lysine HCl - 90 Capsules

8.5

score

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Bronson

Bronson L-Lysine Defense Immune Support Complex 1500 MG L-Lysine Plus Olive Leaf, Garlic, Vitamin C and Zinc - Non-GMO, 90 Vegetarian Capsules

8.2

score

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Quantum

Quantum Health Lip Clear Lysine+ Cold Sore Treatment Soothe & Moisturize Mouth Sores - L-Lysine Menthol Calendula & Propolis Ointment - Transparent Fever Blister Healing Balm - 0.25 Oz

7.9

score

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#10

MaryRuth Organics

Vegan Lysine Supplement by MaryRuth's | Ultra Absorption | Lysine 500mg | Collagen Formation Support | Immune Support Supplement | Health & Wellness | Non GMO | Gluten Free | 30 Servings

7.6

score

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10 Best Lysines 2025 in the United States

Nutrition Strength Coenzyme Q10 for Dogs Grain-Free Supplement, Ubiquinol - The Electron-Rich Form of CoQ10, Promotes Heart Health, Cognitive and Energy Support for Dogs, 120 Chewable Tablets

Vetoquinol Viralys L-Lysine Supplement for Cats - Cats & Kittens of All Ages - Immune Health - Sneezing, Runny Nose, Squinting, Watery Eyes - Flavored Lysine Powder

Nutrition Strength Coenzyme Q10 for Dogs Grain-Free Supplement, Ubiquinol - The Electron-Rich Form of CoQ10, Promotes Heart Health, Cognitive and Energy Support for Dogs, 120 Chewable Tablets

VetriScience Vetri Lysine Plus - 120 Chews - Immune Support Cat Supplements and Vitamins with L-Lysine and DMG for Immunity and Respiratory Health​

VetriScience Vetri Lysine Plus for Cats, 90 Chicken Flavored Chews - Immune and Respiratory Support Supplement for Cats

NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 250 Tablets

Quantum Health Super Lysine+ / Advanced Formula Lysine+ Immune Support with Vitamin C, Echinacea, Licorice, Propolis, Odorless Garlic (180 Tablets), Packaging may vary

Nutricost L-Lysine 1000mg, 240 Tablets - Gluten Free, Non-GMO, and Vegetarian Friendly

Solgar L-Lysine 1000 mg, 250 Tablets - Enhanced Absorption and Assimilation - Promotes Integrity of Skin and Lips - Collagen Support - Amino Acids - Non-GMO, Vegan, Gluten Free - 250 Servings

Felisyl L-Lysine Gel for Cats - Immune System Support - Supplement Support for Healthy Tissue, Respiratory, and Vision - Salmon-Flavored - Made in The USA - 5 oz

Amazon Elements Lysine Complex with Vitamin C for Immune Health Support, Vegetarian, 65 Servings, 195 Count (Packaging may vary)

NOW Foods Supplements, L-Lysine (L-Lysine Hydrochloride) 500 mg, Amino Acid, 100 Count(Pack of 1)

Nutricost L-Lysine 1000mg Per Serving, 250 Servings, 500 Capsules - Gluten Free, Non-GMO, 500mg Per Capsule

Pure Encapsulations L-Lysine - Essential Amino Acid Supplement for Immune Support & Gum, Lip Health* - with L-Lysine HCl - 90 Capsules

Bronson L-Lysine Defense Immune Support Complex 1500 MG L-Lysine Plus Olive Leaf, Garlic, Vitamin C and Zinc - Non-GMO, 90 Vegetarian Capsules

Quantum Health Lip Clear Lysine+ Cold Sore Treatment Soothe & Moisturize Mouth Sores - L-Lysine Menthol Calendula & Propolis Ointment - Transparent Fever Blister Healing Balm - 0.25 Oz

Vegan Lysine Supplement by MaryRuth's | Ultra Absorption | Lysine 500mg | Collagen Formation Support | Immune Support Supplement | Health & Wellness | Non GMO | Gluten Free | 30 Servings

now Lysines

Quantum Lysines

Vitacost Lysines

Jarrow Lysines

VetriScience Vetri Lysine Plus - 120 Chews - Immune Support Cat Supplements and Vitamins with L-Lysine and DMG for Immunity and Respiratory Health