l carnitine pubmed The Role of l-Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation L-Carnitine is Underrated. New Meta

Oral Administration Most peptides cannot survive oral delivery the sequential barriers of stomach acid, intestinal enzymes, and first-pass liver metabolism degrade peptide bonds before they reach systemic circulation

A study in the Biochemical Journal showed that mice given IGF-1 LR3 experienced a 2.5x degree of anabolic muscle-building effects compared to mice receiving stand-alone IGF-1: The administration of insulin-like growth factor-I (IGF-I) via subcutaneously implanted osmotic pumps partially reversed a catabolic state produced by the co-administration of 20 micrograms of dexamethasone/day to 150 g male rats

doi: 10.1016/j.urology.2021.10.041

These booster shots can be given in injections or glutathione pills