Leucine Metabolites Do Not Enhance Training-induced Performance or Muscle Thickness.

FJ Teixeira, CN Matias, CP Monteiro… - … and Science in …, 2019 - europepmc.org
Purpose We aimed to conduct a double-blind randomized controlled pragmatic trial to
evaluate the effects of off-the-shelf leucine metabolite supplements of α-HICA, HMB-FA, and …

No effect of HMB or α-HICA supplementation on training-induced changes in body composition

FJ Teixeira, CN Matias, CP Monteiro… - European journal of …, 2019 - Taylor & Francis
Abstract β-hydroxy-β-methylbutyrate (calcium: HMB-Ca and free acid: HMB-FA) and α-
hydroxyisocaproic acid (α-HICA) are leucine metabolites that have been proposed to …

Isolated leucine and branched-chain amino acid supplementation for enhancing muscular strength and hypertrophy: A narrative review

DL Plotkin, K Delcastillo… - … journal of sport …, 2021 - journals.humankinetics.com
Branched-chain amino acids (BCAA) are one of the most popular sports supplements,
marketed under the premise that they enhance muscular adaptations. Despite their …

Free leucine supplementation during an 8-week resistance training program does not increase muscle mass and strength in untrained young adult subjects

AF Aguiar, AP Grala, RA Da Silva, LF Soares-Caldeira… - Amino Acids, 2017 - Springer
The purpose of this study was to examine the effects of free leucine supplementation on
changes in skeletal muscle mass and strength during a resistance training (RT) program in …

[HTML][HTML] Equivalent hypertrophy and strength gains in β-hydroxy-β-methylbutyrate-or leucine-supplemented men

JS Jakubowski, EPT Wong, EA Nunes… - Medicine and science …, 2019 - ncbi.nlm.nih.gov
Ingestion of proteins with high leucine content during resistance training (RT) can augment
hypertrophy. Some data suggest that a leucine metabolite, β-hydroxy, β-methylbutyrate …

[HTML][HTML] Isolated branched-chain amino acid intake and muscle protein synthesis in humans: a biochemical review

CS Santos, FEL Nascimento - Einstein (Sao Paulo), 2019 - SciELO Brasil
Alongside a proper diet, ergogenic aids with potential direct and/or indirect physical
performance enhancing effects are sought after for improved adaptation to physical training …

[HTML][HTML] Excess leucine intake enhances muscle anabolic signaling but not net protein anabolism in young men and women

EL Glynn, CS Fry, MJ Drummond, KL Timmerman… - The Journal of …, 2010 - Elsevier
Essential amino acids (EAA) stimulate skeletal muscle protein synthesis (MPS) in humans.
Leucine may have a greater stimulatory effect on MPS than other EAA and/or decrease …

Supplemental dietary leucine and the skeletal muscle anabolic response to essential amino acids

SM Pasiakos, JP McClung - Nutrition reviews, 2011 - academic.oup.com
Skeletal muscle protein synthesis (MPS) is regulated by a number of dietary factors, to
include essential amino acids (EAAs). Leucine, a branched-chain amino acid, has been …

Leucine supplementation and intensive training

A Mero - Sports Medicine, 1999 - Springer
Leucine, isoleucine and valine, the branched-chain amino acids (BCAA), make up about
one-third of muscle protein. Of these, leucine has been the most thoroughly investigated …

The effects of leucine-enriched branched-chain amino acid supplementation on recovery after high-intensity resistance exercise

AD Osmond, DJ Directo, ML Elam… - … journal of sports …, 2019 - journals.humankinetics.com
Context: Of the 3 branched-chain amino acids (BCAA), leucine has arguably received the
most attribution for the role of BCAA supplementation in alleviating symptoms of exercise …