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Leucine is classified as a branched-chain amino acid BCAA.
Muscle protein synthesis - l-leucine stimulates muscle protein synthesis and may be the major fuel involved in anabolic tissue building reactions. The final product is just pure raw L-Leucine. Retain muscle – l-leucine has been found to help prevent muscle breakdown during intense exercise. Leucine also metabolizes into HMB, which also has anti-catabolic properties.


Naturally fermented – nutrabio’s l-leucine is sourced from a natural fermentation process. Muscle protein synthesis - l-leucine stimulates muscle protein synthesis and may be the major fuel involved in anabolic tissue building reactions.
Muscle recovery - the branch chain amino acids valine, leucine, and isoleucine enhance protein synthesis in muscle cells and help promote muscle repair and recovery after exercise. This makes it especially important for bodybuilders and other athletes in sports that demand explosive strength.

Required for countless bodily Functions - The nine essential amino acids are required for many bodily processes such as building proteins and synthesizing neurotransmitters.


Bcaas, stimulate muscle protein synthesis and may be the major fuel involved in anabolic reactions. 2 to 3 capsules daily between meals. Source naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.


1. BulkSupplements
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BulkSupplements.com L-Leucine Powder, Recovery Amino, Vegan BCAA Powder, Amino Acids Supplement, Branched Chain Amino Acids 500 Grams
#adBulkSupplements #ad - Helps increase athletic performance* - amino acids supplement for men. Branched chain amino Acid BCAA - amino acids soy free. Bcaa powder amino acids Promote lean muscle growth*. Amino acid powder boosts athletic endurance*. Branched chain amino acids nutritional supplements.More information #ad
Brand | BulkSupplements #ad |
Manufacturer | Bulksupplements #ad |
Weight | 1.1 Pounds |
Part Number | N0Q95RV |
More information #ad
2. Nutricost
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Nutricost Pure L-Leucine Powder 500 Grams
#adNutricost #ad - Manufactured in a gmP Compliant, FDA Registered Facility. Non-gmo and Gluten Free. 500 grams of L-Leucine Powder. Primary branched Chain Amino Acid BCAA. 5 grams of l-Leucine Per Serving.More information #ad
Brand | Nutricost #ad |
Manufacturer | Nutricost #ad |
Weight | 1.2 Pounds |
Part Number | NTC046101 |
More information #ad
3. NutraBio
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400mg, 240 Capsules, NutraBio 100% Pure L-Leucine, Muscle Recovery and Support, Vegan, Non-GMO, Gluten Free, Naturally Fermented Free Form Amino Acid
#adNutraBio #ad - Essential amino acid - l-leucine is an essential amino acid, meaning it cannot be made by the body, and must be acquired through food or dietary supplements. Muscle recovery - the branch chain amino acids valine, leucine, and isoleucine enhance protein synthesis in muscle cells and help promote muscle repair and recovery after exercise.Leucine is classified as a branched-chain amino acid BCAA.
More information #ad
This makes it especially important for bodybuilders and other athletes in sports that demand explosive strength. Naturally fermented – nutrabio’s l-leucine is sourced from a natural fermentation process. Muscle protein synthesis - l-leucine stimulates muscle protein synthesis and may be the major fuel involved in anabolic tissue building reactions. The final product is just pure raw L-Leucine. Retain muscle – l-leucine has been found to help prevent muscle breakdown during intense exercise. Leucine also metabolizes into HMB, which also has anti-catabolic properties.
Brand | NutraBio #ad |
Manufacturer | NutraBio Labs, Inc. #ad |
Height | 1.57 Inches |
Length | 3.15 Inches |
Weight | 0.13 Pounds |
Width | 2.36 Inches |
Part Number | FBA-NB23275 |
More information #ad
4. Evlution
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Gluten-Free, Protein Synthesis & Recovery, Unflavored Powder 100 Servings, Evlution Nutrition L-Leucine2000, 2000mg of Pure L-Leucine in Each Serving, Vegan
#adEvlution #ad - Supports recovery and Lean Muscle*. Enhances Performance and Recovery*. Supports Protein Synthesis*. Vegan/Gluten Free.More information #ad
Brand | Evlution #ad |
Manufacturer | Evlution #ad |
Height | 3.94 Inches |
Length | 3.94 Inches |
Weight | 0.26 Kilograms |
Width | 3.94 Inches |
Part Number | 818901024359 |
Model | P37255 |
More information #ad
5. NutraBio
#ad
Naturally Fermented Free Form Amino Acid, 500 Grams, NutraBio 100% Pure L-Leucine, Gluten Free, Vegan, Non-GMO, Muscle Recovery and Support
#adNutraBio #ad - The final product is just pure raw L-Leucine. Retain muscle – l-leucine has been found to help prevent muscle breakdown during intense exercise. Leucine also metabolizes into HMB, which also has anti-catabolic properties.Naturally fermented – nutrabio’s l-leucine is sourced from a natural fermentation process. Muscle protein synthesis - l-leucine stimulates muscle protein synthesis and may be the major fuel involved in anabolic tissue building reactions.
More information #ad
Leucine is classified as a branched-chain amino acid BCAA. Essential amino acid - l-leucine is an essential amino acid, meaning it cannot be made by the body, and must be acquired through food or dietary supplements. Muscle recovery - the branch chain amino acids valine, leucine, and isoleucine enhance protein synthesis in muscle cells and help promote muscle repair and recovery after exercise. This makes it especially important for bodybuilders and other athletes in sports that demand explosive strength.
Brand | NutraBio #ad |
Manufacturer | NutraBio Labs, Inc. #ad |
Height | 1.57 Inches |
Length | 3.15 Inches |
Weight | 1.1 Pounds |
Width | 2.36 Inches |
Part Number | FBA-NB23270 |
More information #ad
6. Double Wood Supplements
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Essential Amino Acids, 1 Gram Per Serving Powder Blend of All 9 Essential Aminos EAA and all Branched-Chain Aminos BCAAs Leucine, Isoleucine, Valine 225 Capsules by Double Wood Supplements
#adDouble Wood Supplements #ad - Contains all 9 essential amino acids EAAs - Each serving consists of a 1 gram powder blend of all 9 essential amino acids. Contains all branched chain amino acids BCAAs - Each serving contains L-Leucine, L-Isoleucine, and L-Valine.Required for countless bodily Functions - The nine essential amino acids are required for many bodily processes such as building proteins and synthesizing neurotransmitters.
More information #ad
Supports muscle recovery and Growth - Essential aminos help promote muscle growth, decrease muscle soreness, and support exercise endurance. Made and tested in the usa - double wood's Essential Amino Acid Capsules are manufactured and tested for safety right here in the USA.Brand | Double Wood Supplements #ad |
Manufacturer | Double Wood Supplements #ad |
Height | 5 Inches |
Length | 2.5 Inches |
Width | 2.5 Inches |
Part Number | EAADW |
More information #ad
7. Earthborn Elements
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No Stearate or Filler, Satisfaction Guaranteed, Non-GMO and Gluten-Free, Essential Amino Acid, L-Leucine, Lab-Tested Purity, Made in USA, 1400 mg Servings, 200 Capsules, Pure & Potent
#adEarthborn Elements #ad - 100% pure: never Any Additives or Fillers. Guaranteed: love it 100% or Your Money Back. 50 day supply: more Than 1 Month of Optimal Support. Made in usa: manufactured in Beaverton, OR. Earthborn elements l-leucine is essential in Muscle Building, Muscle Strengthening & Increasing Energy*.More information #ad
Brand | Earthborn Elements #ad |
Manufacturer | Earthborn Elements #ad |
Part Number | 1 |
More information #ad
8. Source Naturals
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240 Capsules, Source Naturals L-Leucine A Free Form Essential Amino Acid Supplement For Energy Support
#adSource Naturals #ad - Trusted for over 35 years. Contains no sugar, egg, flavor or fragrance. L-leucine is an essential amino acid, especially leucine, specifically classified as a "branched-chain amino acid" BCAA.Bcaas, stimulate muscle protein synthesis and may be the major fuel involved in anabolic reactions. 2 to 3 capsules daily between meals. Source naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.
More information #ad
Contains no yeast, preservatives, corn, gluten, starch, dairy, or artificial color, soy or wheat. Manufactured in the usa. Ultimate energy support. Well made supplement. Suggested use. This makes them especially important for body builders and other athletes in sports that demand explosive strength. Our facility is located in Scotts Valley California.Brand | Source Naturals #ad |
Manufacturer | Threshold Enterprises #ad |
Height | 5.6 Inches |
Length | 3.11 Inches |
Weight | 0.34 Pounds |
Width | 3.11 Inches |
Part Number | SN2054 |
Model | SN2054 |
Warranty | Please see manufacturer's label for instructions |
More information #ad
9. Pure Organic Ingredients
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Naturally-Sourced Essential Amino Acid, Non-GMO & Gluten-Free 700 mg Serving, L-Leucine 100 Capsules 100% Pure & Potent
#adPure Organic Ingredients #ad - Pure l-leucine is essential in Muscle Building, Muscle Strengthening & Increasing Energy*. Guaranteed: love it 100% or Your Money Back. 100% pure: never Any Additives or Fillers. Made in usa: manufactured in American Fork, UT. 50 day supply: more Than 1 Month of Optimal Support.More information #ad
Brand | Pure Organic Ingredients #ad |
Manufacturer | Pure Organic Ingredients #ad |
Part Number | 1 |
More information #ad
10. BulkSupplements
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BCAAs Amino Acids, Bulksupplements.com BCAA 3:1:2 Branched Chain Amino Acids Powder, Workout Amino Chains Supplement 1 Kilogram
#adBulkSupplements #ad - Helps maintain blood sugar levels* - Pre-workout powder. Amino acids supplement assists with muscle recovery*. Supports the liver* - Intra workout supplement - Vegan pre-workout.More information #ad
Helps build muscle strength and endurance* - Workout recovery. Helps maintain weight* - Pre-workout women weight management.Brand | BulkSupplements #ad |
Manufacturer | Bulksupplements #ad |
Weight | 2.2 Pounds |
Part Number | 222219 |
More information #ad