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Pro-Rite

Carlson
4.9
★ ★ ★ ★ ★
(974 ratings)
Proline 500 mg
Lysine 500 mg
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Score84
500 mg of l-lysine anchors a strong multi-ingredient option with solid value. Its main trade-off is the high dose within a broader formula, which may be either convenient or restrictive depending on the intended routine.
How scoring works
Quantity:200 Capsule(s) • (100 servings)
Goals:
Hair Health

Score 84

500 mg of l-lysine anchors a strong multi-ingredient option with solid value. Its main trade-off is the high dose within a broader formula, which may be either convenient or restrictive depending on the intended routine.
How scoring works

Also available as

1 option
90 servings Proline 500 mg, Lysine 500 mg • 90 Capsule(s) • 45 servings $16.07 ($0.35 per serving)
$33.92($0.33 per serving)
iHerb
$ 33.92
Amazon
$ 33.92
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Analysis

The 500 mg serving provides l-lysine alongside L-Proline in capsule(s). The high-dose amount sits within a broader formula, so each included ingredient should fit the intended use.

The amount is stated, but the supplied information leaves some formulation detail unspecified. Value is reasonable, though alternatives may offer a better balance of form and quantity, and the broader ingredient list needs more careful comparison with simpler alternatives.

The strongest practical fit is hair health, with related assessments also supporting lysine-focused use. The main decision is whether 500 mg and the capsule(s) format match the user's preferred routine and budget.

Who is it for
  • Adults seeking a high-dose Lysine supplement
  • People who prefer capsule(s) for l-lysine
  • Users focused on hair health
Best for
  • Hair Health support

Pros

  • Clearly stated 500 mg amount
  • Includes l-lysine with additional active ingredients
  • Serving amount is easy to identify
  • Simple format makes alternatives easy to compare

Cons

  • 500 mg offers little flexibility for lower-dose use
  • Capsule(s) may not suit every user's format preference
  • Broader formula makes each ingredient's contribution harder to isolate

Nutrient quality

89 Highest impact

Ingredient forms and dosing are well aligned with the intended use. The focused formula avoids obvious excesses and low-value additions.

Ingredient transparency

86 Highest impact

Most active amounts are disclosed and core ingredients are identifiable. Missing serving, blend, or excipient details keep the label from being fully transparent.

Customer satisfaction

73 High impact

The aggregate rating is strong and supported by a useful volume of ratings. Specific feedback was not supplied, so recurring complaints and purpose fit remain uncertain.

Value for money

85 Highest impact

Formula quality provides reasonable value for a useful serving. Minor disclosure, dosing, or category trade-offs keep the value from being exceptional.

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Goals

Hair Health
Hair Health
Impact
High effect
C+ Goal FitA Strength of SupportC- CoverageA+ Formula Quality
Lysine · 500 mg

L-lysine and L-proline provide amino-acid building blocks that may support hair structure and collagen around follicles. Direct human evidence for improving growth or shedding with this pair is limited.

Both amounts are clearly disclosed and meaningful, with a stable lysine form. The focused combination has good structural depth but does not address nutrient deficiency, hormones, circulation, or oxidative stress.

Study evidence
Lysine Supportive 1 study

Ingredients

IngredientAmount per serving
L-Proline
500 mg
L-Lysine (Lysine Monohydrochloride)
 500 mg
Gluten Free Adults 18–50
Report overview
Proline · 500 mg OverallScore95
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
Pure L-proline provides a targeted amount that is well aligned with structural support goals. The capsule format keeps the formula relatively simple, while added L-lysine supplies another amino acid involved in collagen formation. Clear dosing and favorable cost efficiency make it a practical focused option.
View ingredientView products
Lysine (Lysine Monohydrochloride) · 500 mg OverallScore70
B- Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyD- Value

The stable monohydrochloride form and goal-aligned lysine amount make the core formulation sound. Two capsules are needed, and the label provides no clear grade or sourcing claim. Added proline may complement collagen-related use, but the lysine cost remains relatively high.

View ingredientView products
Loading alternative details
88 Performance

L-Proline 2000 mg

Nutricost
<p>A 2,000 mg proline amount provides much greater depth for collagen-related structural support. The simple formula is easy to assess, although lysine is absent.</p>
86 Performance

L-Lysine 1000 mg

Solgar
<p>The 1,000 mg lysine amount doubles the original contribution and keeps the formula focused. Stronger lysine coverage comes at the cost of losing proline.</p>
73 Performance

Ortho C+ Lemon Flavor

AOR Advanced Orthomolecular Research Premium
<p>Lysine and proline rise substantially and are paired with vitamin C plus mineral ascorbates for deeper collagen-related support. The unusually large vitamin C amount and higher serving cost are important trade-offs.</p>
86 Budget

L-Lysine 500 mg

Source Naturals
<p>The same 500 mg lysine amount is supplied in a much more economical single-active product. It omits proline, trading the original balanced pair for focused lysine support.</p>
88 Budget

L-Proline 500 mg

Swanson Premium Brand
<p>The original 500 mg proline amount is matched at a substantially lower serving cost. Lysine is not included, so structural amino-acid coverage becomes narrower.</p>
84 Budget

L-Lysine 600 mg

21st Century
<p>Lysine rises modestly to 600 mg while serving value improves considerably. The formula adds only a small calcium amount and does not replace the original proline.</p>
86 Value

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
<p>A 1,000 mg lysine amount doubles the original at a low serving cost and keeps the label simple. Proline is not included, so it favors lysine depth over balanced coverage.</p>
86 Value

L-Lysine Powder 960 mg

Carlson
<p>The powder supplies nearly twice as much lysine with flexible delivery and strong value. It omits proline and requires careful measuring for consistent use.</p>
81 Value

Hyaluronic Acid Complex

California Gold Nutrition
<p>Proline is paired with hyaluronic acid plus grape-seed and pine extracts in a reasonably priced structural-support formula. The proline amount is lower and lysine is absent, but the added actives broaden skin and joint relevance.</p>
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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