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L-Lysine 500 mg

Natural Factors
4.8
★ ★ ★ ★ ★
(1825 ratings)
Lysine 1000 mg
Product Image
Score93

A high-dose 1,000 mg lysine supplement for concentrated immune and hair structural support.

How scoring works
Quantity:180 Capsule(s) • (90 servings)
Goals:
Hair Health
Immunity

Score 93

A high-dose 1,000 mg lysine supplement for concentrated immune and hair structural support.

How scoring works

Also available as

1 option
90 servings Lysine 1000 mg • 90 Capsule(s) • 45 servings $8.39 ($0.18 per serving)
$14.67($0.16 per serving)
Amazon
$ 14.67
iHerb
$ 14.67
Vitacost
$ 14.67
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Analysis

This supplement delivers a high dose of L-lysine in a bioavailable hydrochloride form to support structural proteins and immune defense. Lysine is a critical building block for collagen and assists with iron absorption, which is often a key factor in hair density.

Providing 1,000 mg per serving makes this a concentrated option for individuals addressing significant nutritional needs for tissue repair. This focused approach is excellent for anyone seeking a pure and powerful source of lysine for their daily wellness.

Pros

  • Potent 1,000 mg serving
  • Great value for the dosage
  • Large 90-serving supply
  • Supports iron utilization

Cons

  • Large capsules can be difficult
  • May be too strong for simple needs
  • Not a multi-ingredient formula

Warnings

  • Take with water away from food
  • Discontinue if you feel nauseous
  • Consult a professional if pregnant

Nutrient quality

92 Highest impact

The high 1000 mg dose offers substantial support for connective tissue and immune pathways. Utilization of the hydrochloride form ensures the nutrient is stable and well-absorbed for biological utility.

Ingredient transparency

97 Highest impact

The label clearly states the high active amount and all necessary supporting ingredients. Transparency is maintained through detailed serving instructions and the avoidance of proprietary mixtures.

Customer satisfaction

93 Highest impact

Customer ratings are strong, indicating high satisfaction with the product's performance across nearly two thousand reviews. Consistent positive feedback suggests it is a reliable and effective choice for users.

Value for money

86 Highest impact

While the price per serving is higher than some bulk options, the high dosage provides good nutritional value. Each capsule delivers a concentrated amount of the active nutrient for targeted support.

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Goals

Hair Health
Impact
Highest effect
B Goal FitA+ Strength of SupportD+ CoverageA+ Formula Quality

L-lysine is provided at a 1,000 mg dose to support the absorption of iron and assist in the production of collagen for hair and skin. This amino acid is an important structural block that may contribute to reduced hair shedding.

The supplement is focused and provides a therapeutic dose in a simple capsule format. It is particularly well-suited for individuals looking to enhance their nutritional support for hair density and scalp health.

View goal →
Immunity
Impact
High effect
C Goal FitA Strength of SupportD+ CoverageA- Formula Quality

L-lysine appears well aligned with supporting viral defense mechanisms and tissue integrity.

A 1000 mg dose of amino acid hydrochloride provides meaningful support for this specific immune pathway.

View goal →

Ingredients

IngredientAmount per serving
L-Lysine (L-Lysine Hydrochloride)
 1000 mg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Report overview
Lysine (L-Lysine Hydrochloride) · 1000 mg OverallScore82
B+ Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyB+ Value
This high-dose L-Lysine supplement provides 1000 mg per serving in a reliable hydrochloride form. It is highly effective for those targeting specific immune and tissue repair goals with a robust daily dose.
View ingredientView products
92 Value

L-Lysine Pharmaceutical Grade

Swanson
4.8
★★★★★
(520 ratings)
Incorporating pharmaceutical-grade monohydrochloride ensures high purity and consistent performance for structural maintenance. This form provides highly reliable support for collagen synthesis and managing hair shaft health.
Other sellers (1)
94 Value

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.6
★★★★★
(4173 ratings)
Providing a 1000 mg high-potency dose in each tablet offers an efficient way to meet structural maintenance goals. This option provides a concentrated source of essential aminos for follicle vitality at a competitive value.
Other sellers (1)
94 Value

L-Lysine 500 mg

NOW
4.8
★★★★★
(4489 ratings)
Supplying a foundational 500 mg dose of lysine in a pure capsule format ensures reliable and affordable daily maintenance. This everyday supplement is a practical choice for supporting the structural integrity of follicles.
Other sellers (5)
92 Performance

Super Lysine+ Immune Support

Quantum Health
4.8
★★★★★
(5357 ratings)
Merging 1500 mg of lysine with garlic, echinacea, and propolis provides a multifaceted approach to immune and structural health. These additional ingredients complement the amino acid profile for superior follicle and scalp wellness.
Other sellers (2)
95 Performance

L-Lysine 1000 mg

Solgar
4.7
★★★★★
(9896 ratings)
Delivering a high-potency 1000 mg dose in a robust tablet format ensures a reliable, long-term source of building blocks. This concentration is ideal for supporting healthy hair density and shaft resilience.
Other sellers (3)
95 Performance

L-Lysine Powder 960 mg

Carlson
4.8
★★★★★
(2270 ratings)
Choosing a pure powder format eliminates extra excipients and maximizes biological utility and bioavailability. This highly efficient format is ideal for individuals seeking high-dose support for hair density.
Other sellers (3)
95 Budget

L-Lysine

NOW
4.8
★★★★★
(3972 ratings)
Utilizing a bulk powder format offers a significantly lower cost per serving for high-purity structural aminos. This pure option provides high dosing flexibility without the added cost of capsule manufacturing.
Other sellers (3)
93 Budget

L-Lysine 600 mg

21st Century
4.7
★★★★★
(1177 ratings)
Combining a foundational dose of lysine with calcium carbonate offers a budget-friendly approach to structural support. This formulation provides a steady supply of protein building blocks at a fraction of the cost.
Other sellers (0)
94 Budget

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(328 ratings)
Providing 1000 mg of lysine per serving at a lower price per unit makes this an excellent value for significant structural needs. The bulk tablet format ensures a consistent supply of proteins for follicle health.
Other sellers (1)
92 Value

L-Lysine Pharmaceutical Grade

Swanson
4.8
★★★★★
(520 ratings)
Incorporating pharmaceutical-grade monohydrochloride ensures high purity and consistent performance for structural maintenance. This form provides highly reliable support for collagen synthesis and managing hair shaft health.
Other sellers (1)
94 Value

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.6
★★★★★
(4173 ratings)
Providing a 1000 mg high-potency dose in each tablet offers an efficient way to meet structural maintenance goals. This option provides a concentrated source of essential aminos for follicle vitality at a competitive value.
Other sellers (1)
94 Value

L-Lysine 500 mg

NOW
4.8
★★★★★
(4489 ratings)
Supplying a foundational 500 mg dose of lysine in a pure capsule format ensures reliable and affordable daily maintenance. This everyday supplement is a practical choice for supporting the structural integrity of follicles.
Other sellers (5)
92 Performance

Super Lysine+ Immune Support

Quantum Health
4.8
★★★★★
(5357 ratings)
Merging 1500 mg of lysine with garlic, echinacea, and propolis provides a multifaceted approach to immune and structural health. These additional ingredients complement the amino acid profile for superior follicle and scalp wellness.
Other sellers (2)
95 Performance

L-Lysine 1000 mg

Solgar
4.7
★★★★★
(9896 ratings)
Delivering a high-potency 1000 mg dose in a robust tablet format ensures a reliable, long-term source of building blocks. This concentration is ideal for supporting healthy hair density and shaft resilience.
Other sellers (3)
95 Performance

L-Lysine Powder 960 mg

Carlson
4.8
★★★★★
(2270 ratings)
Choosing a pure powder format eliminates extra excipients and maximizes biological utility and bioavailability. This highly efficient format is ideal for individuals seeking high-dose support for hair density.
Other sellers (3)
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