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L-Lysine 500 mg

Source Naturals
4.7
★ ★ ★ ★ ★
(765 ratings)
Lysine 500 mg
Product Image
Score94

A pure and highly affordable lysine supplement for long-term hair and collagen structural support.

How scoring works
Quantity:200 Capsule(s) • (200 servings)
Goals:
Hair Health

Score 94

A pure and highly affordable lysine supplement for long-term hair and collagen structural support.

How scoring works
$10.00($0.05 per serving)
Amazon
$ 11.99
iHerb
$ 13.40
Vitacost
$ 13.40
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Analysis

L-lysine is an essential amino acid that serves as a primary building block for hair keratin and supports the absorption of iron. This focused product provides a pure dose in a stable hydrochloride form that is optimized for absorption and long-term shelf life.

With 200 capsules per bottle, it is an ideal choice for anyone looking for consistent, low-cost structural support. This simple approach avoids extra ingredients and fits perfectly into a basic hair health or immune wellness plan.

Pros

  • Excellent value per serving
  • High 200-serving count
  • Pure standalone lysine
  • Bioavailable hydrochloride form

Cons

  • Requires consistent daily intake
  • Basic formula without cofactors
  • Capsule shell is not vegetarian

Warnings

  • Store in a cool, dry place
  • Take away from protein-rich meals
  • Keep out of reach of children

Nutrient quality

90 Highest impact

The use of l-lysine hydrochloride ensures reliable absorption for structural protein synthesis. A 500 mg dose provides meaningful daily support for structural health pathways.

Ingredient transparency

97 Highest impact

Labeling follows high transparency standards, clearly identifying the active nutrient and all supporting components. Full disclosure is maintained through simple chemical naming and the avoidance of proprietary blends.

Customer satisfaction

92 Highest impact

Consumer feedback is strong across a significant review sample, indicating high reliability and quality. Consistency of positive ratings reflects strong user trust in the product's efficacy for structural support.

Value for money

97 Highest impact

Pricing is reasonable and reflects the reliable quality of the product. Each dose provides meaningful structural value, making it a solid investment for individuals focusing on amino acid health.

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Goals

Hair Health
Impact
High effect
B+ Goal FitB Strength of SupportD+ CoverageA Formula Quality

L-lysine hydrochloride provides a pure 500mg dose of this essential amino acid, which serves as a building block for hair proteins and supports iron utilization. This straightforward mineral salt form is optimized for absorption and stability.

Providing a foundational structural nutrient, this product appears well aligned for individuals seeking to support hair resilience through targeted amino acid intake.

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Ingredients

IngredientAmount per serving
L-Lysine (L-Lysine Hydrochloride)
 500 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Lysine (L-Lysine Hydrochloride) · 500 mg OverallScore89
B+ Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
This straightforward L-Lysine supplement offers a foundational 500 mg dose in a simple hydrochloride form. It is an ideal, low-cost solution for those needing consistent lysine intake for skin and tissue support.
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L-Lysine Powder 960 mg

Carlson
4.8
★★★★★
(2270 ratings)
Offering 960 mg of pure lysine hydrochloride in a powder format maximizes biological utility and value per serving. It eliminates the need for excipients, making it a highly efficient choice for supporting structural resilience.
Other sellers (3)
94 Value

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.6
★★★★★
(4173 ratings)
Supplying 1000 mg of lysine in a concentrated tablet offers a robust source of essential aminos for keratin production. This option provides foundational support for follicle vitality at a very efficient value.
Other sellers (1)
94 Value

L-Lysine 500 mg

Jarrow Formulas
4.8
★★★★★
(4286 ratings)
Providing 500 mg of lysine hydrochloride in a clear capsule format ensures pure and reliable daily delivery. This foundational supplement is an efficient choice for individuals focusing on daily structural integrity.
Other sellers (3)
93 Performance

L-Lysine 500 mg

California Gold Nutrition
4.8
★★★★★
(4438 ratings)
Incorporating pharmaceutical-grade AjiPure lysine ensures the highest purity for essential building blocks. This clean formulation is specifically designed to support the highest standards for follicle health and collagen synthesis.
Other sellers (1)
92 Performance

L-Lysine Pharmaceutical Grade

Swanson
4.8
★★★★★
(520 ratings)
Using pharmaceutical-grade monohydrochloride guarantees exceptional consistency and purity in every serving. This form provides highly reliable support for enhancing collagen synthesis and maintaining structural resilience.
Other sellers (1)
95 Performance

L-Lysine 1000 mg

Solgar
4.7
★★★★★
(9896 ratings)
Delivering a robust 1000 mg dose of lysine hydrochloride better supports individuals with higher nutritional requirements. The robust concentration is well-suited for supporting healthy hair density and shaft integrity.
Other sellers (3)
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