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Pro-Rite

Carlson
4.9
★ ★ ★ ★ ★
(936 ratings)
Proline 500 mg
Lysine 500 mg
Product Image
Score84
500 mg of l-lysine anchors a strong multi-ingredient option with limited 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:90 Capsule(s) • (45 servings)
Goals:
Hair Health

Score 84

500 mg of l-lysine anchors a strong multi-ingredient option with limited 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
200 servings Proline 500 mg, Lysine 500 mg • 200 Capsule(s) • 100 servings $33.92 ($0.33 per serving)
$16.07($0.35 per serving)
iHerb
$ 16.07
Pure Formulas
$ 16.07
Report prices

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 a notable trade-off compared with more economical options, 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
  • Value is less competitive than stronger alternatives

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.

Report analysis

Goals

Hair Health
Hair Health
Impact
High effect
C+ Goal FitB+ Strength of SupportD+ CoverageA+ Formula Quality
Lysine · 500 mg

Lysine may support hair indirectly through protein building and iron use, while proline contributes to collagen structure. Hair-specific human evidence is limited compared with correcting a documented mineral deficiency.

Both amino acids are supplied at practical 500 mg amounts and are clearly disclosed. The focused pairing supports structural protein pathways, but it does not address hormonal, scalp, or antioxidant causes of shedding.

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

The clearly labeled L-Proline provides a targeted dose in a readily usable form. Vegetarian capsules keep the delivery simple while avoiding the extra binders common in tablets. The disclosed amount and efficient cost make it a practical choice for focused proline intake.

View ingredientView products
Lysine (Lysine Monohydrochloride) · 500 mg OverallScore66
B- Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyF Value

The isolated monohydrochloride form provides a practical lysine amount that appears well aligned with daily supplementation. Two capsules are needed, and the label data does not disclose a purity grade or other ingredients. Value is limited by the relatively high cost per active amount.

View ingredientView products
Loading alternative details
88 Performance

L-Proline 2000 mg

Nutricost
<p>A 2,000 mg proline amount provides substantially greater depth for collagen-related structural support. The formula is exceptionally focused, though it does not supply lysine.</p>
86 Performance

L-Lysine 1000 mg

Solgar
<p>The 1,000 mg lysine amount doubles the original contribution in a simple, clearly disclosed formula. It offers stronger lysine coverage for hair-related use but removes 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 vitamin C amount is aggressive for routine use, and the powder costs more per serving.</p>
86 Budget

L-Lysine 500 mg

Source Naturals
<p>The same 500 mg lysine amount is available in a much less costly single-active formula. Proline is omitted, so it fits users who want economical lysine rather than the original paired approach.</p>
88 Budget

L-Proline 500 mg

Swanson Premium Brand
<p>A 500 mg proline amount exactly matches the original proline contribution at lower serving cost. The streamlined capsule removes lysine and therefore provides narrower structural support.</p>
84 Budget

L-Lysine 600 mg

21st Century
<p>The 600 mg lysine amount slightly exceeds the original while remaining highly economical. A small calcium addition does not replace the missing 500 mg proline.</p>
84 Value

Pro-Rite

Carlson
<p>The identical 500 mg lysine and 500 mg proline pairing comes in a larger package with slightly better serving value. Ingredient strengths and limitations otherwise remain essentially the same.</p>
85 Value

L-Lysine Pharmaceutical Grade

Swanson
<p>Pharmaceutical-grade labeling adds source definition to the same 500 mg lysine amount at strong value. It leaves out proline, so the formula is less balanced than the original pair.</p>
75 Value

Double Strength Hyaluronic Acid 100 mg

NOW
<p>Proline is paired with hyaluronic acid, standardized grape-seed polyphenols, and alpha-lipoic acid at a competitive serving cost. The 100 mg proline amount is lower and lysine is absent, but the broader structural formula may suit skin and joint priorities.</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