HMB (Beta-Hydroxy Beta-Methylbutyrate)
Le HMB est un metabolite de la leucine (acide amine essentiel) produit naturellement par le corps en faible quantite. Il agit en inhibant la proteolyse musculaire (degradation des proteines) et en activant la voie mTOR de synthese proteique. Benefique principalement pour les debutants, les personnes en restriction calorique ou en période d'immobilisation.
HMB (Beta-Hydroxy Beta-Methylbutyrate)
HMB is a metabolite of leucine (an essential amino acid) naturally produced by the body in small quantities. It acts by inhibiting muscle proteolysis (protein breakdown) and activating the mTOR protein synthesis pathway. Primarily beneficial for beginners, individuals in caloric restriction, or during periods of immobilisation.
HMB (Beta-Hidroxi Beta-Metilbutirato)
El HMB es un metabolito de la leucina (aminoacido esencial) producido naturalmente por el cuerpo en pequenas cantidades. Actua inhibiendo la proteolisis muscular (degradacion de proteinas) y activando la via mTOR de sintesis proteica. Beneficioso principalmente para principiantes, personas en restriccion calorica o durante periodos de inmovilizacion.
bénéfices potentiels
Potential benefits
Beneficios potenciales
- Reduction de la degradation musculaire (anti-catabolisme)Reduces muscle breakdown (anti-catabolism)Reduce la degradacion muscular (anticatabolismo)
- Preservation de la masse maigre en période de restriction caloriquePréservés lean mass during caloric restrictionPreserva la masa magra durante la restriccion calorica
- Acceleration de la recuperation post-exerciceAccelerates post-exercise recoveryAcelera la recuperacion post-ejercicio
- bénéfices particuliers chez les debutants et les sujets agesParticular benefits for beginners and older individualsBeneficios particulares en principiantes y personas mayores
- Soutien de la force musculaireSupports muscular strengthApoya la fuerza muscular
Interactions et precautions
Interactions and precautions
Interacciones y precauciones
- Creatine (complementary — synergistic for lean mass)
- Protein suppléments (complementary)
efficacité plus limitee chez les sportifs experimentes. Resultats des études plus mitigees comparativement à la creatine ou aux proteines. Surveiller la qualite du produit car marche peu reglemente. Effets modestes pour les athlètes avances.
Efficacy is more limited in expérienced athlètes. Study results are more mixed compared to creatine or protein. Monitor product quality as the market is poorly regulated. Modest effects for advanced athlètes.
La eficacia es mas limitada en deportistas experimentados. Los resultados de los estudios son mas mixtos en comparacion con la creatina o las proteinas. Controlar la calidad del producto dado que el mercado esta poco regulado. Efectos modestos para atletas avanzados.
Symptomes associes
Related symptoms
Sintomas asociados
Sources
- Wilson JM et al. (2014). The effects of 12 weeks of beta-hydroxy-beta-methylbutyrate free acid supplementation on muscle mass, strength, and power. European Journal of Applied Physiology. https://doi.org/10.1007/s00421-014-2854-5
- Nissen S & Sharp RL (2003). Effect of dietary suppléments on lean mass and strength gains with resistance exercise: a meta-analysis. Journal of Applied Physiology. https://doi.org/10.1152/japplphysiol.00connects.2002
- Jakubowski J et al. (2020). Supplementation with a Ketogenic Diet, HMB-FA, or Both Suppresses Markers of Proteolysis. Journal of the International Society of Sports Nutrition. https://doi.org/10.1186/s12970-020-00371-8
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