L-Leucine 5 g Unflavored®

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: 2.5–5 Gram(s) · 1– per day

Not Present

• 

  Nutricost L-Leucine Unflavored 500 Grams

  Vitacost.com4.3(718)

  $21.95
• 

  Primaforce L-Leucine Unflavored Powder

  iHerb4.8(165)

  $35.99
• 

  Nutricost L-Leucine Unflavored 17.6 Oz (500 G) usa vers34

  GoSupps.com4.1(417)

  $219.99
• 

  BulkSupplements L-Leucine Capsules

  Walmart - BulkSupplements.com4.6(139)

  $21.97
• 

  Nutricost BCAA Powder

  Nutricost4.6(2900)

  $26.97
• 

  Nutricost EAA Powder

  Nutricost4.7(2700)

  $20.97Lowest
• 

  Nutricost Pure L-leucine Powder 500 Grams

  eBay - giftigift-giftigift

  $61.99
• 

  L-Leucine Supplement Boost Athletic Performance Powder

  Walmart - BulkSupplements.com4.6(163)

  $194.97

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• GNC

  4.3 (28)

  Vitamin & supplements store

  2206 James L Redman Pkwy, Plant City, FL 33563

  Directions(813) 759-8551

• The Vitamin Shoppe

  4.6 (192)

  Vitamin & supplements store

  3813 US Hwy 98 N, Lakeland, FL 33809

  Directions(863) 815-6020

• Nutrishop Valrico

  4.9 (153)

  Vitamin & supplements store

  3240 Lithia Pinecrest Rd #103, Valrico, FL 33596

  Directions(813) 684-2380

• The B-12 Store Lakeland

  5.0 (118)

  Vitamin & supplements store

  3800 US Hwy 98 N #716, Lakeland, FL 33809

  Directions(863) 940-9999

• GNC

  4.2 (66)

  Vitamin & supplements store

  1322 Town Center Dr, Lakeland, FL 33803

  Directions(863) 686-6762

• VEV FITNESS & NUTRITION

  4.8 (40)

  Vitamin & supplements store

  113 W Dr Martin Luther King Jr Blvd, Plant City, FL 33563

  Directions(813) 701-7030

• The Vitamin Shoppe

  4.4 (217)

  Vitamin & supplements store

  Plaza at, 101 Brandon Town Center Dr, Brandon, FL 33511

  Directions(813) 643-1010

• GNC

  4.4 (30)

  Vitamin & supplements store

  2050 Shepherd Rd, Mulberry, FL 33860

  Directions(863) 701-2779

• Novel essential amino acid supplements enriched with L-leucine facilitate increased protein and energy intakes in older women: a randomised controlled trial

  T Ispoglou, K Deighton, RFGJ King, H White, M Lees - Nutrition journal, 2017 - Springer

  … after accounting for the energy content of the supplements (P < 0.0005). Analysis revealed … in the Bar and Gel after accounting for the energy content of the supplements (P < 0.007). …

  201733 citations

• Relevance and Safe Utilization of Amino Acids in Supplements for Human Nutrition: Lessons from Clinical and Preclinical Studies

  F Blachier - Nutrients, 2026 - mdpi.com

  … was proposed to be 5 g/day. This value, when compared to the UC in adults (0.8 g/day), … , the NOAEL values for all the eleven amino acids for which we have no values (even in healthy …

  20261 citations

• A randomized controlled trial on the effects of leucine-supplement combined with nutritional counseling on body composition in mix cancer older men

  JDP Soares, JM Siqueira, FSB Brito, GD Pimentel - Nutrients, 2024 - mdpi.com

  … the effect of leucine supplementation on body composition in … of the protocol groups: L-leucine supplement or the control … a significant challenge to global public health, especially as the …

  202412 citations

• The Impact of a Large Bolus Dose of l-leucine and l-isoleucine on Enteroendocrine and Pancreatic Hormones, and Glycemia in Healthy, Inactive Adults

  DE Newmire, E Rivas, SE Deemer, DS Willoughby… - Nutrients, 2019 - mdpi.com

  … The purpose of this study was to determine the effects of large, orally ingested dose of L-Leucine (Leu) and L-Isoleucine (Ile) individually or equally combined, on the plasma …

  201912 citations

• Logo Riverbend Vitality Logo Riverbend Vitality

  A Rockwell - riverbendvitality.com

  … Medical disclaimer: This article is intended for educational … with 6.9 grams of BCAAs, including 1,000 milligrams of L-leucine. … Smith was pleasantly surprised by the mixability of Nutricost …

• Logo Fairfield Pulse Logo Fairfield Pulse

  A Rockwell - fairfieldpulse.com

  … Medical disclaimer: This article is intended for educational … with 6.9 grams of BCAAs, including 1,000 milligrams of L-leucine. … Smith was pleasantly surprised by the mixability of Nutricost …

• 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 2020-06-24. DSLD Label ID: 223388. 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.