L- Leucine 400 mg®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 4 Vegetable Capsule(s) · 1–2 per day

Not Present

• 

  L-Leucine 180 Capsules

  NutraBio5.0(17)

  $21.99Lowest
• 

  L-Leucine Powder

  NutraBio4.9(23)

  $32.99
• 

  EAA Pure NutraBio

  NutraBio4.6(64)

  $37.99
• 

  Bloodline Extreme Pump Matrix

  NutraBio4.8(34)

  $44.99
• 

  NutraBio Reload Recovery

  NutraBio4.7(142)

  $44.99
• 

  Exile Performance Nutrition Alpha EAA Blueberry Lemonade

  NutraBio4.7(812)

  $44.99
• 

  Base Pre Workout Orange Mango

  NutraBio4.9(80)

  $29.99
• 

  Nutrabio PRE Workout

  NutraBio4.8(281)

  $49.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• Miami Supps Southampton

  4.9 (359)

  Vitamin & Supplements Shop

  403 Shirley Rd, Shirley, Southampton SO15 3JD

  Directions07795 007286

• fithouse.uk

  4.9 (44)

  Vitamin & Supplements Shop

  43 Roundstone St, Trowbridge BA14 8DE

  Directions07944 236488

• Metabolics Ltd

  3.8 (11)

  Vitamin & Supplements Shop

  5 Eastcott Common, Devizes SN10 4PL

  Directions01380 812799

• 33Fuel Natural Sports Nutrition

  4.7 (36)

  Sports Nutrition Shop

  1 N Parade, Bath BA1 1NX

  Directions020 7183 2328

• Epigenetics International Ltd

  4.3 (11)

  Vitamin & Supplements Shop

  18, Manningford Centre, Manningford Bohune, Pewsey SN9 6NL

  Directions01380 800105

• SNES SWINDON

  5.0 (76)

  Vitamin & Supplements Shop

  38 Havelock St, Swindon SN1 1SD

  Directions01793 434673

• Combat Fuel Supplements

  4.5 (8)

  Sports Nutrition Shop

  Unit 4A, Ludgershall, Andover SP11 9FA

  Directions

• Supplement Needs

  4.5 (15)

  Vitamin & Supplements Shop

  SN Hub, 19-25 Nuffield Rd, Poole BH17 0RU

  Directions

• Effect of intake of leucine-rich protein supplement in parallel with resistance exercise on the body composition and function of healthy adults

  GS Oh, J Lee, K Byun, DI Kim, KD Park - Nutrients, 2022 - mdpi.com

  … This study investigated the effect of leucine-rich protein supplementation in parallel with regular resistance exercise on the body composition and function of healthy adults aged >50 …

  202227 citations

• Partial suppression of BCAA catabolism as a potential therapy for BCKDK deficiency

  L Ohl, A Kuhs, R Pluck, E Durham, M Noji… - Molecular Genetics and …, 2024 - Elsevier

  … pathophysiology, and that BCAA supplementation may ameliorate disease phenotypes. To … BCAA supplementation in this model. Surprisingly, BCAA supplementation exacerbated …

  202411 citations

• Impact of Positive and Negative Health Behaviors on Female Mice and/or their Offspring

  KM Platt - 2014 - uknowledge.uky.edu

  … supplement that … health behaviors in female mice, both negative treatments such as consumption of a high fat diet and positive interventions such as exercise and BCAA supplementation…

  2014

• Leucine

  S Nutrition - 2021 - thotnutrition.com

  … medical conditions or taking certain medications should consult with a healthcare provider before taking L-Leucine supplements… • Our L-Leucine supplement is orthomolecular. This …

  20212 citations

• Kalman., et al.“The Body Composition Effects of Extra Protein in Elite Mixed Martial Artists Undergoing Frequent Training Over a Six-Week Period”

  S Douglas - EC Nutrition, 2018 - researchgate.net

  … Methods: 11 healthy men age 28, underwent anthropometric … Therefore, based on a higher leucine content at lower doses … between rice and whey protein supplements, in lieu of these …

  2018

• Pulsatile leucine administration during continuous enteral feeding enhances skeletal muscle mechanistic target of rapamycin complex 1 signaling and protein …

  M Rudar, A Suryawan, HV Nguyen, SK Chacko… - The Journal of …, 2024 - Elsevier

  … We reported previously that intermittent intravenous pulses of leucine (Leu; 800 μmol Leu·kg –1 ·h –1 every 4 h) to continuously fed pigs born at term promoted mechanistic target of …

  20247 citations

• Reading BCAA and Amino Acid Labels

  What the leucine, isoleucine, and valine ratios on a BCAA label tell you, and how amino acid amounts are listed.

  VitaSuppTrack Editorial· Jun 24, 2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-11-21. DSLD Label ID: 239127. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.