The documented benefits extend beyond theoretical longevity: improved sleep quality and circadian rhythm regulation through pineal gland support, enhanced immune function markers, normalized melatonin production in aging individuals, reduced oxidative stress, improved skin elasticity and appearance, and potential disease prevention through cellular optimization
Eur J Endocrinol, 139(5), 552561
In clinical practice, patients are a heterogeneous group with diverse genetic backgrounds, lifestyles, and underlying health conditions
People with variants in the SLC22A5 gene (often referred to as carnitine transporter deficiency) which results in carnitine deficiency can have skeletal myopathy and/or cardiomyopathy [7]
For the low physical activity criteria, there were no changes in the L-carnitine group, while in the placebo group one subject (4.1%) changed from being mild to a moderately active status in terms of physical activity