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AjiPure L-Leucine 500 mg

Swanson Ultra
4.7
★ ★ ★ ★ ★
(583 ratings)
Leucine 500 mg
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Score77
The core formula provides a clearly defined role with practical strengths. One capsule falls well below the usual leucine trigger used to stimulate muscle protein synthesis.
How scoring works
Quantity:60 Veggie Cap(s) • (60 servings)
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Score 77

The core formula provides a clearly defined role with practical strengths. One capsule falls well below the usual leucine trigger used to stimulate muscle protein synthesis.
How scoring works
$8.39($0.13 per serving)
iHerb
$ 8.39
iHerb
$ 8.39
Amazon
$ 0.00
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Analysis

Branded AjiPure L-leucine provides clear isomer quality in a convenient 500 mg capsule. The exact amount and economical format make small supplemental additions easy.

One capsule falls well below the usual leucine trigger used to stimulate muscle protein synthesis. Several capsules would be required for a more meaningful standalone intake.

It fits users who need to top up leucine around a lower-leucine meal. A protein food or powdered leucine is usually more practical for reaching a full trigger amount.

Who is it for
  • users who need to top up leucine around a lower-leucine meal
  • Adults who understand the formula’s focused role
  • Users comfortable with the stated limitations
Best for
  • Small leucine top-ups
  • Branded amino-acid quality
  • Convenient capsule use

Pros

  • Branded L-leucine source
  • Clear 500 mg amount
  • Good cost per gram

Cons

  • Low amount per capsule
  • Multiple capsules needed for a full trigger
  • No broader essential-amino-acid support

Warnings

  • People with maple syrup urine disease must avoid supplemental branched-chain amino acids
  • Anyone on a medically restricted protein diet should confirm suitability
  • Large multi-capsule intakes may cause digestive upset

Nutrient quality

81 Highest impact

A branded L-leucine source supports form quality and precise evaluation. The amount is well below a common targeted serving despite the focused formula.

Ingredient transparency

86 Highest impact

The active ingredient and its amount are clearly disclosed without a hidden blend. Full intake directions and the non-active ingredient list are not present in the supplied details.

Customer satisfaction

66 High impact

The aggregate rating is strong, and the review volume gives moderate confidence in it. No detailed feedback is supplied to assess recurring complaints or purpose-specific experiences.

Value for money

72 High impact

The capsule is inexpensive and focused, but one serving supplies a low leucine amount. Reaching a meaningful targeted amount weakens its category value.

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Ingredients

IngredientAmount per serving
L-Leucine
500 mg
Adults 18–50 Vegetarian
Report overview
Leucine · 500 mg OverallScore69
C+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyB+ Value

A branded L-leucine source provides clear isomer quality, but the amount is well below the usual muscle-protein-synthesis trigger range. The single-capsule serving is convenient and states the leucine amount clearly. Cost efficiency per gram is good, though several capsules would be needed to reach a full trigger dose.

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81 Performance

Branched Chain Amino Acids

NOW Sports
The three branched-chain amino acids are supplied as clearly identified L-isomers. That provides a stronger, more assessable match than the original; its supplied analysis notes that the amount is too low for a typical muscle-protein-synthesis trigger, so several capsules would be needed and effective-serving value falls.
74 Performance

Branched Chain Amino Acids (Free Form)

Life Extension
The free-form branched-chain amino acids are clearly identified and do not require protein digestion. That provides a stronger, more assessable match than the original; its supplied analysis notes that the amount is too low for a typical muscle-protein-synthesis trigger, so several capsules would be needed and effective-serving value falls.
82 Performance

The Original Strawberry Kiwi Splash

XTEND
Substantial branched-chain amino acids and glutamine support workout recovery, while the modest sodium and potassium amounts are better suited to light hydration than heavy sweat replacement. That provides a stronger, more assessable match than the original; its supplied analysis notes that the amount is too low for a typical muscle-protein-synthesis trigger, so several capsules would be needed and effective-serving value falls.
87 Budget

BCAA 3200 mg

Best Naturals
The three free-form branched-chain amino acids are clearly identified. Its serving cost is not lower, but the supplied candidate list does not contain three lower-cost choices; this is one of the closest-priced remaining collection matches.
76 Budget

Mega-Size BCAA 1000 Caps

Optimum Nutrition
Micronized L-leucine, L-isoleucine, and L-valine provide well-specified free-form amino acids. Its serving cost is not lower, but the supplied candidate list does not contain three lower-cost choices; this is one of the closest-priced remaining collection matches.
40 Budget

Daily Amino Acid

21st Century
Several L-amino acids use clear forms, but DL-methionine includes an avoidable non-L isomer. It also lowers the serving cost relative to the original while retaining a close ingredient-collection match.
79 Value

Branched-Chain Amino Acids

Lake Avenue Nutrition
The three branched-chain amino acids are supplied as clearly identified L-isomers. The focused ingredient delivery and efficient serving cost improve value relative to the original, whose supplied analysis notes that the amount is too low for a typical muscle-protein-synthesis trigger, so several capsules would be needed and effective-serving value falls.
78 Value

Branched-Chain Amino Acids

NOW Sports
The three branched-chain amino acids are supplied as clearly identified L-isomers. The focused ingredient delivery and efficient serving cost improve value relative to the original, whose supplied analysis notes that the amount is too low for a typical muscle-protein-synthesis trigger, so several capsules would be needed and effective-serving value falls.
85 Value

The Original Mango Madness

XTEND
Substantial branched-chain amino acids and glutamine support workout recovery, while the modest sodium and potassium amounts are better suited to light hydration than heavy sweat replacement. The focused ingredient delivery and efficient serving cost improve value relative to the original, whose supplied analysis notes that the amount is too low for a typical muscle-protein-synthesis trigger, so several capsules would be needed and effective-serving value falls.
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