L-Lysine 500 mg

L-Lysine 500 mg

Carlson4.8 (197 ratings)
Format:Capsule Quantity: 100 Capsule(s) · 100 servings
Goals
$10.63 $0.10 per serving
iHerb$10.63

Product analysis

70 out of 100

L-Lysine 500 mg offers a simple single-ingredient supplement at a favorable cost for the lysine amount supplied.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality40

L-lysine monohydrochloride is clearly identified as the source. Its comparative quality cannot be judged more closely from the available detail.

Ingredient Transparency100

Amounts and ingredient forms or sources are disclosed throughout. Those details make serving and ingredient comparisons easier.

Value For Money80

The lysine contribution offers favorable value for the amount supplied. The single-ingredient formula keeps the cost comparison straightforward.

Customer Satisfaction75

Customer feedback is very positive, although the number of ratings is limited. The ratings reflect satisfaction and do not establish effectiveness or safety.

Product Focus71

The single-ingredient formula appears reasonably aligned with its stated purpose. One intended use keeps the focus clear.

Format
Capsule
Container
100 Capsule(s)
Per serving
$0.10
Customer rating
4.8 · 197 ratings
Report analysis

Goals

Hair Health
Hair Health
Impact
High effect
B+ Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Lysine · 500 mg
Study evidence
Lysine Supportive 1 study

Ingredients

IngredientAmount per servingScore
L-Lysine (L-Lysine Monohydrochloride)
 500 mg 81
Gluten Free Adults 18–50
Report overview
Lysine (L-Lysine Monohydrochloride) · 500 mg OverallScore81
B- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB+ Value
Each serving provides 500 mg of lysine. The estimated cost per 1,000 mg of lysine is moderate. The source is L-Lysine Hydrochloride.
How this ingredient is rated

Active Ingredient Quality & Bioavailability72

The source is L-Lysine Hydrochloride. No specific grade or sourcing claim is noted.
Lysine Chemical Form & Sourcing
The source is L-Lysine Hydrochloride.
Purity and Grade Signals
No specific grade or sourcing claim is noted.

Dose, Safety & Label Transparency90

Each serving provides 500 mg of lysine. A common excipient is present, but its name is unclear.
Lysine Dose by Declared Basis
Each serving provides 500 mg of lysine.
Clean Label & Additives
A common excipient is present, but its name is unclear.

Value80

The estimated cost per 1,000 mg of lysine is moderate.
Price Per 1000mg of Lysine
The estimated cost per 1,000 mg of lysine is moderate.
View ingredientView products
86 Performance

L-Lysine Powder 960 mg

Carlson
A clearly stated L-lysine hydrochloride dose at 960 mg provides a focused source of this essential amino acid. The provided quality and goal assessments are stronger than the original, although the provided data do not include independent testing or certification details.
86 Performance

L-Lysine 500 mg

Source Naturals
A clearly stated L-lysine hydrochloride dose at 500 mg provides a focused source of this essential amino acid. The provided quality and goal assessments are stronger than the original, although the provided data do not include independent testing or certification details.
85 Performance

Free-Form Lysine 500 mg

Swanson
A clearly stated L-lysine hydrochloride dose at 500 mg provides a focused source of this essential amino acid. The provided quality and goal assessments are stronger than the original, although the provided data do not include independent testing or certification details.
86 Budget

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
A clearly stated L-lysine hydrochloride dose at 1000 mg provides a focused source of this essential amino acid. Its lower serving cost improves routine value compared with the original, although the provided data do not include independent testing or certification details.
86 Budget

L-Lysine 500 mg

Carlson
A clearly stated L-lysine hydrochloride dose at 500 mg provides a focused source of this essential amino acid. Its lower serving cost improves routine value compared with the original, although the provided data do not include independent testing or certification details.
86 Budget

L-Lysine 1000 mg

Solgar
A clearly stated L-lysine hydrochloride dose at 1000 mg provides a focused source of this essential amino acid. Its lower serving cost improves routine value compared with the original, although the provided data do not include independent testing or certification details.
84 Value

L-Lysine 600 mg

21st Century
A clearly stated L-lysine hydrochloride dose at 600 mg provides a focused source of this essential amino acid. Strong provided quality and goal assessments combine with favorable serving economics, improving the balance of formulation and value; the small calcium addition makes the formula slightly less minimal.
85 Value

L-Lysine Pharmaceutical Grade

Swanson
A clearly stated L-lysine hydrochloride dose at 500 mg provides a focused source of this essential amino acid. Strong provided quality and goal assessments combine with favorable serving economics, improving the balance of formulation and value; the provided data do not include independent testing or certification details.
86 Value

L-Lysine 500 mg

NOW
A clearly stated L-lysine hydrochloride dose at 500 mg provides a focused source of this essential amino acid. Strong provided quality and goal assessments combine with favorable serving economics, improving the balance of formulation and value; the provided data do not include independent testing or certification details.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Causes of hair loss and the developments in hair rejuvenation.
    Rushton DH; Norris MJ; Dover R; Busuttil N · International journal of cosmetic science · 2010
    Narrative reviewHair Health forLysine