Effect of the Administration of L-Carnitine on Body Weight in Women in Crossfit Training

Inclusion Criteria: * Volunteers who practice crossfit regularly (who have 3 months prior to the beginning of the study practicing crossfit). * Volunteers with a body mass index equal to or greater than 25 Kg/m2. * Volunteers who do not have allergies to L-Carnitine or any of its components. * Informed consent signed * Women with a recommendation of nutrition two weeks prior to the start of the study. * Body weight stable the last 3 months. Exclusion Criteria: * Volunteers with pathologies such as diabetes, hypertension, metabolic syndrome and allergies. * Women with confirmed or suspected pregnancy. * Women under lactation and/or puerperium. * Hypersensibilility to L-Carnitine or Sucralose. * Kown of renal, hepatic or thyroid deseased. * Current or previous treatment diet (3 months before inclusion to the study). * Current pharmacological treatment for loose body weight or 3 months before inclusion to the study.