Can vegetarians get enough vitamin B12
PLoS One 2014, 9, e82331

Ingredients Purified water, dipropylene glycol, propanediol, glycerin, isopentyldiol, butylene glycol, niacinamide, glycereth-26, glycereth-25 pca isostearate, glutathione (62.5 ppm), sodium surfactin, bakuchiol, pearl extract, rainbow rack extract, star flower extract, hyaluronic acid, hydrolyzed hyaluronic acid, hydrolyzed sodium hyaluronate, hydroxypropyltrimonium hyaluronate, potassium hyaluronate, sodium hyaluronate, sodium hyaluronate crosspolymer, sodium acetylated hyaluronate, pentylene glycol, Lactobacillus ferment, polyglycerin-3, betaine, 1,2-hexanediol, Irish moss powder, xanthan gum, adenosine, carbomer, tromethamine, disodium EDTA, benzyl glycol, ethylhexylglycerin #DEARGLAM_Glutathione_Liposomal_12.5_Brightening_Serum_50ml #DEARGLAM_Glutathione_Liposomal_12.5_Brightening_Serum #DEARGLAM #DEARGLAM_Serum #DEARGLAM_Essence #DEARGLAM_Ampoule #DEARGLAM_Brightening_serum #DEARGLAM_Soothing_Serum #DEARGLAM_Brightening_serum #Brightening_serum #Radiant_skin #Skin_brightening #Hyperpigmentation #Dark_spots #Uneven_skin_tone #Glowing_complexion #Vitamin_C_serum #Licorice_Serum #Niacinamide_Serum #Melanin_reduction #Luminous_skin #Brightening_treatment #BBK #KoreanMakeup #Kbeauty #Koreancosmetics #Koreanskincare #Koreancosmeticsonline @beautyboxkorea

doi:10.1016/j.peptides.2025.171380
Vitamin C regenerates oxidized glutathione, improving its stability and effectiveness while adding its own antioxidant protection