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L-Lysine

NOW
4.8
★ ★ ★ ★ ★
(4054 ratings)
Lysine 435 mg
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Score85
A clearly dosed lysine-only option that suits targeted amino-acid use. The 435 mg amount is slightly light, while the formula offers little support beyond lysine.
How scoring works
Quantity:1 lb(s) • (822 servings)
Goals:

Score 85

A clearly dosed lysine-only option that suits targeted amino-acid use. The 435 mg amount is slightly light, while the formula offers little support beyond lysine.
How scoring works
$15.10($0.01 per serving)
iHerb
$ 15.92
Pure Formulas
$ 15.46
Vitacost
$ 17.05
Daily Vita
$ 15.10
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Analysis

Lysine supplies an essential amino acid in a focused, single-ingredient format. The 435 mg serving provides slightly below the usual starting point for focused supplementation in a stable, commonly used form.

The powder allows flexible mixing but requires consistent measuring each time. The lysine form and amount are disclosed, but no higher purity grade, source, or independent verification is provided.

The formula is intended for targeted lysine intake rather than broad nutritional coverage. It fits targeted supplementation better than someone seeking a complete hair or general wellness formula.

Who is it for
  • Adults seeking a focused lysine supplement
  • People who prefer a mixable powder over pills
  • Users with a specific reason to increase lysine intake
Best for
  • Targeted lysine intake
  • Adding lysine without a multi-ingredient blend
  • Flexible powder dosing

Pros

  • Clearly identifies 435 mg of lysine per serving
  • Uses l-lysine hydrochloride
  • Powder can be mixed into food or drinks
  • Supplies a large amount of lysine relative to the container size

Cons

  • The listed amount falls just short of a common focused starting range
  • No purity grade or sourcing details are supplied
  • Powder requires repeatable measuring for consistent dosing
  • No goal-specific supporting ingredients are included

Warnings

  • The 435 mg lysine serving may cause stomach discomfort in sensitive users, especially if taken without food.
  • People with significant kidney disease should discuss standalone amino-acid supplementation with their clinician before use.
  • Use a consistent measuring utensil because changing the powder amount changes the lysine dose.

Nutrient quality

88 Highest impact

L-lysine hydrochloride provides a stable and well-absorbed amino-acid form. The 435 mg amount is slightly below the usual lower edge for a focused serving.

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Ingredient transparency

82 Highest impact

The lysine form and amount are clearly stated without a proprietary blend. Missing excipient details and complete use directions leave the supplied label information incomplete.

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Customer satisfaction

70 High impact

The supplied aggregate satisfaction average is favorable, while the response volume determines how stable it appears. No comment-level evidence is available to assess repeated complaints or confirm intended-use experiences.

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Value for money

100 Highest impact

The focused dose and simple formula support favorable serving value. The supplied active formula is focused and shows no low-value padding.

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Ingredients

IngredientAmount per serving
L-Lysine (L-Lysine Hydrochloride)
435 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
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B- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyA+ Value

The pure powder uses bioavailable L-lysine hydrochloride and avoids tablet or capsule additives. Its small scoop is convenient, but the listed lysine amount falls just short of the preferred range. Very low standardized cost makes it attractive for users comfortable measuring powder.

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