It is a formulated blend, and the exact composition, concentration, and delivery medium vary by compounding pharmacy
GSH augmentation deserves investigation as a beneficial therapeutic approach for not only PD but also numerous other CNS disorders for which GSH deficiency and GSH-related enzyme deficits have been documented (multiple sclerosis, 25,26 autism, 2729 Alzheimers disease, 30,31 schizophrenia, 32,33 and bipolar disease 34 )
Whipple observed that blood regeneration was poor in dogs fed cooked liver after chronic blood loss
Mazzitelli M, Presto P, Antenucci N, et al
Randomised controlled trial of L-carnitine as a nutritional supplement in preterm infants [PMID: 9713029] Laboratory literature summary: Randomised controlled trial of L-carnitine as a nutritional supplement in preterm infants
Honestly, if you Google peptide therapy, youll get overwhelmed by TMI (too much information)