September 7, 2025

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10 Best l lysines 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
- Quality:Non-GMO, Gluten Free
- Functions:Essential Amino Acid
- Certification:GMP Compliant, FDA Registered
- Form:Capsule
- Dosage:500mg per capsule
9.8

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

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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
- Quality:GMP Quality Assured
- Functions:Supports collagen synthesis
- Certification:Soy Free, Non-GMO
- Form:Vegan Tablets
- Dosage:N/A
9.7

Exceptional

Our Rating

9.9
Absorbency

9.3
worth the money

9.1
Flavor
3

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
4

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.
9.3

Excellent

Our Rating

9.5
worth the money

8.9
Absorbency

8.2
Flavor
5

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
- Quality:Premium ingredients
- Functions:Immune support
- Certification:Free from allergens
- Form:Capsules
- Dosage:N/A
9.0

Excellent

Our Rating

9.9
simple to consume

9.7
worth the money

9.7
Flavor
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6

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

31% Off
Main highlights

Key Features and Benefits
Essential for protein production, supports healthy connective tissue, enhances calcium absorption, Non-GMO, Vegan, and GMP Quality Assured.

Ideal Use Cases
Perfect for individuals needing dietary supplementation for enhanced protein synthesis, bone health, and improved calcium absorption.

Customer Reviews Summary
Most praised for its effectiveness in promoting overall health and being a high-quality, allergen-free supplement.
Key specs
- Quality:GMP Quality Assured
- Functions:Supports connective tissue, calcium
- Certification:Non-GMO, Vegan/Vegetarian
- Form:N/A
- Dosage:N/A
8.9

Very Good

Our Rating

9.9
worth the money

9.9
Flavor

9.7
simple to consume
7

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
Main highlights

Comprehensive Immune Support
Combines L-Lysine with Olive Leaf, Garlic, Vitamin C, and Zinc for enhanced immune health.

Ideal for Immune Boosting
Perfect for individuals seeking to maintain a healthy immune system.

Easy to Swallow Capsules
Praised for smooth, easy-to-swallow capsules enhancing user experience.
8.7

Very Good

Our Rating

9.5
simple to consume

9.3
worth the money

9.1
Flavor
8

Bronson
Bronson L-Lysine Extra Strength 1000 MG per Tablet High Potency, Immune Support & Supports Collagen Synthesis, Non-GMO, 100 Vegetarian Tablets
Main highlights

Superior Quality and Standards
Bronson L-Lysine Extra Strength provides 1000 MG of high-quality L-Lysine per vegetarian tablet, is GMO-Free, Gluten-Free, Soy-Free, and manufactured in a cGMP Certified Facility.

Ideal for Immune Support and Collagen Synthesis
Supports a healthy immune system, promotes collagen synthesis, and helps maintain healthy production of L-Arginine.

Easy to Swallow Despite Size
Customers frequently mention that despite the large size, the tablets are easier to swallow compared to other brands and have no strong aftertaste.
Key specs
- Quality:GMO-Free, Gluten-Free
- Functions:Immune support, collagen synthesis
- Certification:cGMP Certified
- Form:Vegetarian Tablets
- Dosage:1000 MG
8.5

Good

Our Rating

9.9
quality of ingredients

9.7
worth the money

8.0
simple to consume
9

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.
8.4

Good

Our Rating

9.5
worth the money

9.1
Flavor

8.9
simple to consume
10

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
8.3

Good

Our Rating

10 Best l lysines 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

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

8.4

8.0

8.0

4

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

9.5

8.9

8.2

5

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

6

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

9.9

9.9

9.7

7

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

9.5

9.3

9.1

8

Bronson L-Lysine Extra Strength 1000 MG per Tablet High Potency, Immune Support & Supports Collagen Synthesis, Non-GMO, 100 Vegetarian Tablets

9.9

9.7

8.0

9

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

9.5

9.1

8.9

10

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

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