The addition of B12 can change the color of the reconstituted solution to pink or red, which is normal and does not indicate degradation
Cherchi A, Lai C, Angelino F, Trucco G, Caponnetto S, Mereto PE, Rosolen G, Manzoli U, Schiavoni G, Reale A, Romeo F, Rizzon P, Sorgente L, Strano A, Novo S, Immordino R (1985) Effects of l-carnitine on exercise tolerance in chronic stable anginaa multicenter, double-blind, randomized, placebo controlled crossover study
The dosing of Wegovy typically starts at 0.25 mg once weekly and is intended to be gradually increased over time to minimize side effects and improve tolerability
No refrigeration is required