l-carnitine for fertility is a naturally occurring amino acid derivative that plays a crucial role in cellular energy metabolism, particularly in tissues with high energy demand such as sperm cells. It is highly concentrated Total Fertility Advantage for Men

10.1016/j.molcel.2017.05.032 Mol Cell

Pour le traitement d'entretien de la carence en vitamine B12, la dose habituelle est de 100 mcg SC/IM, administre une fois par mois

It is not used to mix injections

Toxicology 389 , 7484 (2017)

DSIP, or Delta Sleep-Inducing Peptide, is a naturally occurring neuropeptide that has been studied for possible effects on sleep regulation, stress response, and neuroendocrine function

Another study published in the Journal of Physiology showed that increasing the amount of carnitine in the muscles helped prevent fat gain by increasing fat burning and energy expenditure during physical activity