L-Lysine 500 mg

L-Lysine 500 mg

Solgar4.8 (1,847 ratings)
Format:Capsule Quantity: 250 Capsule(s) · 250 servings
Goals
$23.01 $0.09 per serving
iHerbLowest$23.01Amazon$23.01Vitacost$23.35Daily Vita$26.81

Product analysis

71 out of 100

L-Lysine 500 mg supplies a protein building block that contributes to normal hair maintenance when nutrition falls short. Its role is nutritional support, with no clear evidence here that lysine alone increases hair growth.

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

Nutrient Quality40

The lysine form is clearly named. There is not enough information to judge the quality of that form.

Ingredient Transparency100

The amount and form are both disclosed. That makes the lysine serving straightforward to compare.

Value For Money80

Lysine is offered at a favorable cost for the amount supplied. That supports affordability without establishing a hair-growth benefit.

Customer Satisfaction86

Customers give it very favorable ratings. The large review base supports confidence in that satisfaction pattern.

Product Focus71

The single ingredient has a clear nutritional role in maintaining normal hair. Any benefit is tied to nutritional needs, rather than an established effect on hair growth by itself.

Format
Capsule
Container
250 Capsule(s)
Per serving
$0.09
Customer rating
4.8 · 1,847 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 Hydrochloride)
 500 mg 87
Gluten Free Adults 18–50 Vegan Kosher Sugar Free Vegetarian
Report overview
Lysine (L-Lysine Hydrochloride) · 500 mg OverallScore87
A- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB+ Value
Each serving lists 500 mg of lysine, with a relatively low estimated cost per amount of lysine. Common excipients are present.
How this ingredient is rated

Active Ingredient Quality & Bioavailability88

It uses L-Lysine Hydrochloride. The formula is described as vegan.
Lysine Chemical Form & Sourcing
It uses L-Lysine Hydrochloride.
Purity and Grade Signals
The formula is described as vegan.

Dose, Safety & Label Transparency90

Each serving lists 500 mg of lysine. Common excipients are present.
Lysine Dose by Declared Basis
Each serving lists 500 mg of lysine.
Clean Label & Additives
Common excipients are present.

Value80

The estimated cost per amount of lysine is relatively low.
Price Per 1000mg of Lysine
The estimated cost per amount of lysine is relatively low.
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 1000 mg

Solgar
A clearly stated L-lysine hydrochloride dose at 1000 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 500 mg

Source Naturals
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.
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