When a patient prefers oral peptides or creams, we avoid over-the-counter peptide supplements : Many practices encourage oral peptides or creams with low bioavailability (10- 20x less effective than injections)
Engstrm KS, Strmberg U, Lundh T, Johansson I, Vessby B, Hallmans G, Skerfving S, Brberg K (2008) Genetic variation in glutathione-related genes and body burden of methylmercury
5-Hydroxytryptophan, the precursor to serotonin, is an ideal supplement for low serotonin levels in DS given its low rate of adverse effects compared with selective serotonin reuptake inhibitors
Acetyl-L-carnitine physical-chemical, metabolic, and therapeutic properties: relevance for its mode of action in Alzheimer's disease and geriatric depression
International Journal of Molecular Sciences , 25(2), 21314.