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L-Proline 500 mg

Swanson Premium Brand
4.8
★ ★ ★ ★ ★
(290 ratings)
Proline 500 mg
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Score88
A high-value 500 mg capsule delivers focused proline dosing with excellent transparency, though it offers no complementary cofactors.
How scoring works
Quantity:100 Capsule(s) • (100 servings)
Goals:

Score 88

A high-value 500 mg capsule delivers focused proline dosing with excellent transparency, though it offers no complementary cofactors.
How scoring works
$14.29($0.14 per serving)
iHerb
$ 14.29
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Analysis

A 500 mg L-proline capsule reaches a useful targeted amount without a blend. The distinct ingredient line makes both identity and dose easy to verify.

The formula is designed for standalone proline use rather than broad structural support. No complementary vitamin C, glycine, or mineral cofactors are included, which keeps it simple but narrow.

The low serving cost and large package make long-term use economical. It best fits users who already know they want isolated L-proline and prefer capsules over powder.

Who is it for
  • Users seeking standalone L-proline
  • People who prefer capsules to powder
Best for
  • Targeted proline supplementation
  • Economical long-term use

Pros

  • Useful 500 mg amount
  • Clearly identified L-proline
  • Simple single-active formula
  • Very favorable cost

Cons

  • No complementary structural-support nutrients
  • Fixed capsule amount
  • Narrow single-ingredient purpose

Nutrient quality

96 Highest impact

Free-form L-proline provides a meaningful targeted amount in a straightforward format. The single-active formula directly fits its purpose without filler or obvious excess.

Ingredient transparency

84 Highest impact

The shown active ingredients have clear amounts and no proprietary blend hides a key dose. Daily directions and a complete inactive-ingredient list are not supplied.

Customer satisfaction

69 High impact

The supplied aggregate rating is favorable and supported by a useful review volume. Detailed feedback is unavailable, so repeated complaints and fit with the intended use cannot be judged.

Value for money

99 Highest impact

The formula provides strong practical value for the targeted active amount. The focused active profile preserves category competitiveness.

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Ingredients

IngredientAmount per serving
L-Proline
500 mg
Adults 18–50
Report overview
Proline · 500 mg OverallScore99
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Clearly identified L-proline reaches a targeted high dose in a practical capsule. The distinct ingredient line makes the active amount easy to verify. Very favorable cost per target amount gives it strong proline-specific value.

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88 Performance

L-Proline 2000 mg

Nutricost
<p>Its label clearly provides 2000 mg of L-Proline, making it a more clearly defined proline option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
84 Performance

Pro-Rite

Carlson
<p>Its label clearly provides 500 mg of L-Lysine as Lysine Monohydrochloride, making it a more clearly defined proline option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
73 Performance

Ortho C+ Lemon Flavor

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<p>Its label clearly provides 3000 mg of Vitamin C as Ascorbic Acid, making it a more clearly defined proline option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
81 Budget

Hyaluronic Acid Complex

California Gold Nutrition
<p>Its label clearly provides 100 mg of Hyaluronic Acid as Sodium Hyaluronate, preserving relevant proline coverage. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the input does not provide independent testing or absorption evidence.</p>
73 Budget

Liga-Tend

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<p>Its label clearly provides 75 mg of Vitamin C as Ascorbic Acid, preserving relevant proline coverage. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the input does not provide independent testing or absorption evidence.</p>
70 Budget

Ligament Restore

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<p>Its label clearly provides 50 mg of Turmeric Root Extract as Curcuminoids, preserving relevant proline coverage. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the input does not provide independent testing or absorption evidence.</p>
75 Value

Double Strength Hyaluronic Acid 100 mg

NOW
<p>Its label clearly provides 100 mg of Hyaluronic Acid as Sodium Hyaluronate, keeping the formula relevant to proline. Compared with the original, the similar serving economics and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
79 Value

Beauty Blossom Complex

Solumeve
<p>Its label clearly provides 100 mg of Hyaluronic Acid as Sodium Hyaluronate, keeping the formula relevant to proline. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
82 Value

Skin Nails & Hair

Solgar
<p>Its label clearly provides 120 mg of Vitamin C as L-Ascorbic Acid, keeping the formula relevant to proline. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
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