They have what we call fat-loss resistance, says functional-medicine practitioner Arianne Missimer, DPT, RD, LDN
PHARMACOKINETICS The standard dose of a drug is based on trials in healthy volunteers and patients with average ability to absorb, distribute, and eliminate the drug (see Clinical Trials: The IND and NDA in Chapter 1 )
Although skeletal muscle carnitine content and carbohydrate intake were not reported in the studies included in this meta-analysis, future studies should measure these variables when assessing the efficacy and dosing of L-carnitine in CVD patients, as these factors may influence the in vivo metabolism of L-carnitine supplementation
Additionally, a review in the Journal of Inherited Metabolic Disease (Koizumi et al., 2013) explored L-Carnitines potential in treating inborn errors of metabolism, such as fatty acid oxidation disorders and organic acidemias
Their questions are not judgmental but are designed to gather the clinical information necessary for a safe donation experience