Here are the dosage charts for the most commonly available vial sizes
They allow the production of medicines that the FDA has declared are in shortage to ensure medical needs are met until the shortage can be resolved
Kiray M, Bagriyanik HA, Pekcetin C, Ergur BU, Uysal N, et al
However, the price may vary depending on the location, pharmacy, and dosage
Melatonin Melatonin is an amphiphilic molecule that has been identified as a potent antioxidant therapeutic agent in neurodegenerative diseases (Polimeni et al., 2014) associated with mitochondrial dysfunction (Ganie et al., 2016) (Table 1)
Gastroenterology 122:531544 Drucker DJ, Yusta B, Boushey RP et al (1999) Human [Gly2]GLP-2 reduces the severity of colonic injury in a murine model of experimental colitis