Post-training is also effective pairing collagen with a vitamin C source around training has research support for supporting collagen synthesis in connective tissue
doi:10.1073/pnas.1415518111 12
Salinas et al 27 The traditional treatment of vitamin B 12 deficiency is the intramuscular injection of cyanocobalamin, generally, 1 mg/d for 1 week, followed by 1 mg/wk for 1 month, and then 1 mg every 1 or2 months ad perpetuum
Lancet 2 , 13001304 (1987)
Because IV therapy goes directly into the bloodstream, results often appear quickly and last longer
Clinical research and testing has verified its powerful effects on soothing irritated skin, strengthening skin barrier, and calming sensitized skin after exposure to laser treatment