L-Lysine

L-Lysine

NOW4.8 (4,054 ratings)
Format:Powder Quantity: 1 lb(s) · 822 servings
$15.10 $0.01 per serving
Daily VitaLowest$15.10Pure Formulas$15.46iHerb$15.92Vitacost$17.05

Product analysis

72 out of 100

L-Lysine offers a simple lysine formula with a clearly identified preparation and serving amount.

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

Nutrient Quality40

L-lysine hydrochloride is identified on the label. The available details do not establish a special absorption or quality advantage.

Ingredient Transparency100

The applicable amounts and forms are disclosed, making the ingredients easier to compare.

Value For Money100

Earlier cost information indicates favorable value for the lysine amount. Current pricing would be needed to confirm that comparison.

Customer Satisfaction90

Customer ratings are favorable across thousands of reviews. The feedback describes satisfaction and does not prove effectiveness or safety.

Product Focus40

The formula centers on lysine without additional active ingredients. Specific health benefits cannot be assessed from the available information.

Format
Powder
Container
1 lb(s)
Per serving
$0.01
Customer rating
4.8 · 4,054 ratings
Report analysis

Ingredients

IngredientAmount per servingScore
L-Lysine (L-Lysine Hydrochloride)
 435 mg 85
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Lysine (L-Lysine Hydrochloride) · 435 mg OverallScore85
A+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyA+ Value
A serving provides 435 mg of lysine. The cost for the amount of lysine is low. The source is L-Lysine Hydrochloride. A purity grade is claimed, though its exact name is not specified.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The source is L-Lysine Hydrochloride. A purity grade is claimed, though its exact name is not specified.
Lysine Chemical Form & Sourcing
The source is L-Lysine Hydrochloride.
Purity and Grade Signals
A purity grade is claimed, though its exact name is not specified.

Dose, Safety & Label Transparency63

A serving provides 435 mg of lysine. No listed artificial additives or common excipients are indicated.
Lysine Dose by Declared Basis
A serving provides 435 mg of lysine.
Clean Label & Additives
No listed artificial additives or common excipients are indicated.

Value100

The cost for the amount of lysine is low.
Price Per 1000mg of Lysine
The cost for the amount of lysine is low.
View ingredientView products
86 Performance

L-Lysine 500 mg

Carlson
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 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. No eligible candidate with a lower serving cost was available for this slot, so it is included as the closest practical value option; the provided data do not include independent testing or certification details.
86 Budget

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. No eligible candidate with a lower serving cost was available for this slot, so it is included as the closest practical value option; 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. No eligible candidate with a lower serving cost was available for this slot, so it is included as the closest practical value option; 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.
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