September 9, 2025

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10 Best l lysine brands of 2025

Save up to 40% off

Best Choice

1

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

Key Features and Benefits
500mg Premium L-Lysine per capsule, 250 servings, Non-GMO, Gluten-Free, made in GMP Compliant, FDA Registered Facility. Enhances calcium absorption and immune function.

Ideal Use Cases
Perfect for supporting immune health, promoting skin health, and aiding in calcium absorption. Ideal for daily supplementation.

Customer Reviews Summary
Most praised for significantly improving skin health and boosting immunity with consistent use. Customers appreciate the product`s high quality and effectiveness.
Key specs
- Form:Capsule
- Quality:Non-GMO, Gluten Free
- Functions:Essential Amino Acid
- Certification:GMP Compliant, FDA Registered
- Dosage:500mg per capsule
9.9

Exceptional

Our Rating

9.5
simple to consume

9.5
Flavor

9.3
worth the money
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

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

Key Features and Benefits
Enhances collagen synthesis, supports healthy immune function, and energy production. Vegan, Non-GMO, and free from major allergens.

Ideal Use Cases
Perfect for individuals needing dietary supplementation, especially vegans, vegetarians, and those with specific food allergies or sensitivities.

Customer Reviews Highlight
Most praised for its high quality and effectiveness in improving health, particularly in supporting immune function and skin health.
Key specs
- Form:Vegan Tablets
- Quality:GMP Quality Assured
- Functions:Supports collagen synthesis
- Certification:Soy Free, Non-GMO
- Dosage:N/A
9.8

Exceptional

Our Rating

9.9
Absorbency

9.3
worth the money

9.1
Flavor
3

NOW Foods
NOW Foods Supplements, (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 100 Tablets

34% Off
Main highlights

Essential Amino Acid Support
L-Lysine is crucial for collagen synthesis and protein maintenance.

Immune System Boost
Ideal for cold/flu season and preventing viral outbreaks.

Customer Praised Effectiveness
Highly effective in reducing cold sore and shingles severity.
9.7

Exceptional

Our Rating

9.5
worth the money

8.9
Absorbency

8.2
Flavor
4

Nature Made
Nature Made L-Lysine 1000 mg, Dietary Supplement, 60 Tablets, 60 Day Supply

40% Off
Main highlights

Protein Synthesis Support
Nature Made L-Lysine 1000 mg tablets aid in protein synthesis with essential amino acids.

Ideal for Cold Sores
Effective in reducing cold sore healing time and preventing outbreaks.

Customer Praise for Effectiveness
Users appreciate its effectiveness in managing cold sores and overall quality.
9.4

Excellent

Our Rating

8.4
worth the money

8.0
Flavor

8.0
simple to consume
5

NOW Foods
NOW Foods Supplements, L-Lysine (L-Lysine Monohydrochloride) 500 mg, Amino Acid, 100 Veg Capsules

33% Off
Main highlights

Supports Collagen and Immune Health
L-Lysine aids collagen synthesis and supports immune and cardiovascular health.

Versatile Dosage for Various Needs
Ideal for athletes, vegans, and those needing adjustable supplementation.

Effective Cold Sore Management
Praised for reducing cold sore duration and severity.
9.3

Excellent

Our Rating

9.5
worth the money

9.1
Flavor

8.9
simple to consume
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6

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

Essential Amino Acid Support
L-Lysine aids immune function and natural defenses, vital for health.

Cold Sores and Shingles Relief
Ideal for managing cold sores and shingles symptoms effectively.

Praised for Purity
Customers appreciate its purity and absence of fillers.
Key specs
- Form:Capsules
- Quality:Premium ingredients
- Functions:Immune support
- Certification:Free from allergens
- Dosage:N/A
9.0

Excellent

Our Rating

9.9
simple to consume

9.7
worth the money

9.7
Flavor
7

NOW Foods
NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 500 mg, Amino Acid, 250 Tablets
Main highlights

Essential Amino Acid Benefits
L-Lysine is an essential amino acid that supports healthy connective tissue, calcium absorption, and the production of proteins like hormones and collagen.

Ideal for Skin and Immune Health
Perfect for individuals looking to prevent cold sores, support skin health, and enhance calcium absorption; also beneficial for pet health.

Customer Praised Easy to Swallow
Customers appreciate the easy-to-swallow coated tablets and the product's effectiveness in preventing cold sores and improving skin health.
8.9

Very Good

Our Rating

9.9
worth the money

9.9
Flavor

9.7
simple to consume
8

Solgar
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

24% Off
Main highlights

Collagen Support and Skin Integrity
L-Lysine aids collagen production, enhancing skin and lip health.

Versatile Health Applications
Ideal for skin health, cold sore prevention, and immune support.

Highly Praised Skin Benefits
Customers report improved skin clarity and reduced blemishes.
8.8

Very Good

Our Rating

9.7
quality of ingredients

8.9
Absorbency

8.7
Flavor
9

Micro Ingredients

Pure L-Lysine 2,000mg, 300 Veggie Capsules | Maximum Potency, Easily Absorbed, Free Form | Essential Amino Acid for Collagen, Lip, & Immune Support | Clean Ingredients Without Fillers
8.7

Very Good

Our Rating
10

Horbäach
Horbäach L-Lysine 1000mg | 100 Coated Caplets | Free Form Dietary Supplement | Essential Amino Acid | Vegetarian, Non-GMO, and Gluten Free Formula

14% Off
Main highlights

Essential Amino Acid Supplement
Provides 1,000 mg of L-Lysine HCl, crucial for health.

Ideal for Vegetarians and Sensitive Diets
Perfect for those needing gluten, lactose, and GMO-free supplements.

Praised for Quality and Affordability
Customers appreciate the balance of quality ingredients and price.
Key specs
- Form:Coated caplets
- Quality:Superior Quality
- Functions:Essential amino acid
- Certification:Laboratory Tested
- Dosage:1,000 mg per serving
8.6

Very Good

Our Rating

9.7
quality of ingredients

9.3
worth the money

8.0
Packaging materials

10 Best l lysine brands of 2025

1

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

9.5

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

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

9.9

9.3

9.1

3

NOW Foods Supplements, (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino Acid, 100 Tablets

9.5

8.9

8.2

4

Nature Made L-Lysine 1000 mg, Dietary Supplement, 60 Tablets, 60 Day Supply

8.4

8.0

8.0

5

NOW Foods Supplements, L-Lysine (L-Lysine Monohydrochloride) 500 mg, Amino Acid, 100 Veg Capsules

9.5

9.1

8.9

6

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

9.9

9.7

9.7

7

NOW Supplements, L-Lysine (L-Lysine Hydrochloride) 500 mg, Amino Acid, 250 Tablets

9.9

9.9

9.7

8

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

9.7

8.9

8.7

9

Pure L-Lysine 2,000mg, 300 Veggie Capsules | Maximum Potency, Easily Absorbed, Free Form | Essential Amino Acid for Collagen, Lip, & Immune Support | Clean Ingredients Without Fillers

10

Horbäach L-Lysine 1000mg | 100 Coated Caplets | Free Form Dietary Supplement | Essential Amino Acid | Vegetarian, Non-GMO, and Gluten Free Formula

9.7

9.3

8.0

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