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L-Lysine 500 mg

NOW
4.8
★ ★ ★ ★ ★
(4489 ratings)
Lysine 500 mg
Product Image
Score95

A high-quality 500mg lysine capsule that supports structural proteins and hair health daily.

How scoring works
Quantity:100 Capsule(s) • (100 servings)
Goals:
Hair Health

Score 95

A high-quality 500mg lysine capsule that supports structural proteins and hair health daily.

How scoring works
$6.00($0.06 per serving)
Pure Formulas
$ 7.13
iHerb
$ 7.34
Vitacost
$ 7.55
Daily Vita
$ 7.00
Walmart
$ 10.03
Daily Vita
$ 6.00
Report prices

Analysis

This supplement delivers lysine hydrochloride in an easy-to-digest capsule. It supports the structural integrity of hair follicles and may help the body utilize iron more effectively.

It is a great option for those who prefer capsules over tablets but still want a low price. The clean formula makes it easy to fit into a variety of wellness plans.

Pros

  • Bioavailable hydrochloride form
  • Easy-to-swallow capsules
  • Great value for the quality

Cons

  • Not a high-dose option
  • Single-nutrient focus
  • Requires several pills for high intake

Warnings

  • Store in a cool, dry place.
  • Best used as part of a balanced diet.

Nutrient quality

90 Highest impact

The use of l-lysine hydrochloride ensures reliable absorption for structural protein synthesis. A 500 mg dosage is appropriate for consistent maintenance of connective tissues.

Ingredient transparency

97 Highest impact

Labeling follows high transparency standards, identifying the active nutrient and all supporting components clearly. Total disclosure is maintained by avoiding hidden mixtures or proprietary blends.

Customer satisfaction

95 Highest impact

User ratings are exceptionally strong across thousands of reviews, indicating reliable product performance. Feedback suggests high satisfaction with the quality and efficacy for structural and immune support.

Value for money

98 Highest impact

This product offers high value with a low cost per serving for a standard dose of bioavailable lysine. It is an excellent choice for individuals seeking high-quality supplementation on a budget.

Report analysis

Goals

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

Lysine is an essential amino acid that supports the structural integrity of hair by promoting collagen production. It also plays a key role in enhancing the absorption of iron, a deficiency of which is a primary cause of thinning in women.

Supplementing with 500 mg daily provides a consistent maintenance dose for long-term hair health. This simple intervention is particularly useful when combined with iron-rich foods or supplements.

View goal →

Ingredients

IngredientAmount per serving
L-Lysine (L-Lysine Hydrochloride)
 500 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Lysine (L-Lysine Hydrochloride) · 500 mg OverallScore92
A- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
Providing a standard 500 mg dose in a single capsule, this supplement offers high-quality lysine for an affordable price. I recommend it for its clean formulation and reliable bioavailability.
View ingredientView products
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Swanson
4.8
★★★★★
(520 ratings)
Using pharmaceutical-grade monohydrochloride ensures superior purity and quality control for daily supplementation. This form is reliable for enhancing collagen synthesis and supporting the health of the hair shaft.
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NOW
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L-Lysine 600 mg

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L-Lysine 500 mg

NOW
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(15335 ratings)
Providing 500 mg of lysine in a stable tablet format offers an affordable and reliable way to maintain protein building blocks. It serves as a practical daily supplement for supporting keratin synthesis and hair health.
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L-Lysine Powder 960 mg

Carlson
4.8
★★★★★
(2270 ratings)
Offering 960 mg of lysine hydrochloride in a pure powder format maximizes active ingredient delivery by avoiding fillers. It provides an efficient and high-potency way to support structural resilience and follicle health.
Other sellers (3)
94 Value

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(328 ratings)
Supplying 1000 mg of lysine in a bulk-volume format offers excellent cost-effectiveness for long-term structural maintenance. This high-potency option is ideal for consistently supporting keratin production and follicle vitality.
Other sellers (1)
94 Value

L-Lysine 500 mg

Jarrow Formulas
4.8
★★★★★
(4286 ratings)
Providing a reliable 500 mg dose of lysine in a clear capsule format ensures pure delivery of essential amino acids. This everyday supplement is a highly efficient choice for maintaining the structural strength of hair.
Other sellers (3)
93 Performance

L-Lysine 500 mg

California Gold Nutrition
4.8
★★★★★
(4438 ratings)
Featuring AjiPure lysine ensures a high-purity, pharmaceutical-grade source of this building block for keratin and collagen. This clean formulation is specifically aligned with high standards for follicle and skin structural integrity.
Other sellers (1)
95 Performance

L-Lysine 1000 mg

Solgar
4.7
★★★★★
(9896 ratings)
Delivering a robust 1000 mg dose of lysine hydrochloride helps more effectively meet higher nutritional demands for structural proteins. The robust concentration provides a consistent source of building blocks for hair density.
Other sellers (3)
92 Performance

L-Lysine Pharmaceutical Grade

Swanson
4.8
★★★★★
(520 ratings)
Using pharmaceutical-grade monohydrochloride ensures superior purity and quality control for daily supplementation. This form is reliable for enhancing collagen synthesis and supporting the health of the hair shaft.
Other sellers (1)
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