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Branched Chain Amino Acids

NOW Sports
4.6
★ ★ ★ ★ ★
(2951 ratings)
Leucine 1600 mg
Isoleucine 650 mg
Valine 650 mg
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Score82
A balanced free-form BCAA serving provides 1,600 mg leucine plus 650 mg each of isoleucine and valine. Leucine remains below a strong standalone muscle-protein trigger, and the full serving requires four capsules.
How scoring works
Quantity:120 Capsule(s) • (30 servings)
Goals:

Score 82

A balanced free-form BCAA serving provides 1,600 mg leucine plus 650 mg each of isoleucine and valine. Leucine remains below a strong standalone muscle-protein trigger, and the full serving requires four capsules.
How scoring works

Also available as

1 option
240 servings Isoleucine 650 mg, Leucine 1600 mg +1 more • 240 Capsule(s) • 60 servings $27.80 ($0.46 per serving)
$15.10($0.50 per serving)
Pure Formulas
$ 15.46
Pure Formulas
$ 15.46
Vitacost
$ 15.91
Vitacost
$ 15.91
Daily Vita
$ 15.10
iHerb
$ 15.91
Amazon
$ 15.10
iHerb
$ 15.91
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Analysis

A balanced free-form BCAA serving provides 1,600 mg leucine plus 650 mg each of isoleucine and valine. The label provides enough detail to understand the central formula and serving.

Leucine remains below a strong standalone muscle-protein trigger, and the full serving requires four capsules. That trade-off materially affects potency, convenience, transparency, or value.

Best suited to people who prefer measured capsules and moderate BCAA support over a mixable workout powder. Expectations should match the disclosed ingredients and the product's focused role.

Who is it for
  • people who prefer measured capsules and moderate BCAA support over a mixable workout powder
  • People who prefer the disclosed format and serving style
  • Users whose priorities match the formula rather than broader nutrition
Best for
  • Uses the familiar leucine-led BCAA ratio
  • Lists each amino acid amount separately
  • people who prefer measured capsules and moderate BCAA support over a mixable workout powder

Pros

  • Uses the familiar leucine-led BCAA ratio
  • Lists each amino acid amount separately
  • Moderate serving is easy to assess

Cons

  • Leucine is below a strong standalone trigger amount
  • Four capsules are needed per serving
  • Capsules are less convenient during workouts than powder

Nutrient quality

89 Highest impact

The three branched-chain amino acids are supplied as clearly identified L-isomers. The balanced serving is useful, but leucine remains below a strong muscle-protein trigger and the other two amounts are modest.

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Ingredient transparency

83 Highest impact

Active ingredients have stated amounts and no proprietary blend hides a dose. Serving count is supplied, while full directions and the other-ingredients list are missing.

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Customer satisfaction

69 High impact

The supplied aggregate rating is the only evidence of general satisfaction and its reliability depends on rating volume. No comment-level evidence is available to assess recurring complaints or confirm how experience matches the intended purpose.

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Value for money

83 Highest impact

The active quality and serving utility support reasonable value. The product is reasonably competitive, though stronger values are available.

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Ingredients

IngredientAmount per serving
L-Leucine
1600 mg
L-Isoleucine
650 mg
L-Valine
650 mg
Gluten Free Adults 18–50 Kosher
Report overview
Leucine · 1600 mg OverallScore70
D+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value

Clearly labeled L-leucine provides a moderate dose within a balanced branched-chain amino acid blend. The amount falls below the usual standalone trigger range for muscle protein synthesis, although the full serving takes only four capsules. Cost per gram is reasonable, while sourcing and processing details remain limited.

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Isoleucine · 650 mg OverallScore69
B- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyA+ Value

Isolated L-isoleucine provides a rapidly available amino acid form, but the capsule delivery is slower than dissolved powder. The exact amount is transparent yet falls well below the collection median, and no independent testing is disclosed. The low serving cost is attractive for users comfortable with the modest dose and four-capsule serving.

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Valine · 650 mg OverallScore63
C+ Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyD- Value

Free-form L-valine is clearly identified, but the 650 mg amount falls well below the collection benchmark for targeted athletic use. Four capsules deliver the serving, which is less convenient than a mixable powder. The exact dose is transparent, while cost efficiency is only moderate and no sport-specific testing is disclosed.

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79 Performance

The Original Strawberry Kiwi Splash

XTEND
Higher disclosed amounts of all three BCAAs give 3.5 g leucine, 1.75 g isoleucine, and 1.75 g valine, plus glutamine, citrulline malate, and electrolytes, providing stronger standalone coverage than the original. The expanded powder formula adds ingredients beyond the original three-amino-acid focus, which may be unnecessary for someone seeking only BCAAs.
83 Performance

Branched-Chain Amino Acids

Lake Avenue Nutrition
The formula provides 1.6 g leucine, 0.65 g isoleucine, and 0.65 g valine in a focused alternative, although the supplied data do not establish a clear across-the-board upgrade over the original. Leucine still sits below a strong standalone muscle-protein trigger, and full directions and excipient details are not supplied.
82 Performance

Branched-Chain Amino Acids

NOW Sports
The formula provides 1.6 g leucine, 0.65 g isoleucine, and 0.65 g valine in a focused alternative, although the supplied data do not establish a clear across-the-board upgrade over the original. Leucine still sits below a strong standalone muscle-protein trigger, and full directions and excipient details are not supplied.
60 Budget

Daily Amino Acid

21st Century
The lower listed serving cost provides small BCAA amounts within a broad essential-amino-acid blend, making it a more economical choice than the original. All three BCAA amounts are well below meaningful standalone levels, so the apparent serving value overstates practical coverage.
80 Budget

Mega-Size BCAA 1000 Caps

Optimum Nutrition
The lower listed serving cost provides 0.5 g leucine, 0.25 g isoleucine, and 0.25 g valine, making it a more economical choice than the original. All three BCAA amounts are well below meaningful standalone levels, so the apparent serving value overstates practical coverage.
84 Budget

BCAA 3200 mg

Best Naturals
The lower listed serving cost provides 1.6 g leucine, 0.8 g isoleucine, and 0.8 g valine, making it a more economical choice than the original. Leucine still sits below a strong standalone muscle-protein trigger, and full directions and excipient details are not supplied.
76 Value

The Original Smash Apple

XTEND
3.5 g leucine, 1.75 g isoleucine, and 1.75 g valine, plus glutamine, citrulline malate, and electrolytes combine a stronger supplied dose-and-value balance than the original. The expanded powder formula adds ingredients beyond the original three-amino-acid focus, which may be unnecessary for someone seeking only BCAAs.
79 Value

Branched Chain Amino Acids (Free Form)

Life Extension
1.2 g leucine, 0.6 g isoleucine, and 0.6 g valine offer a practical quality-and-cost tradeoff, although the supplied data do not establish clearly better value than the original. The serving remains modest for standalone use, and full directions and excipient details are not supplied.
68 Value

BCAA Plus Branched Chain Amino Acids

Solgar
0.54 g leucine, 0.36 g isoleucine, and 0.3 g valine, plus vitamin B6 offer a practical quality-and-cost tradeoff, although the supplied data do not establish clearly better value than the original. All three BCAA amounts are well below meaningful standalone levels, so the apparent serving value overstates practical coverage.
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