Nature Made Vitamin B12 1000 mcg Softgels, Dietary Supplement, 310 Count - Walmart.com
Vitamin B12 And Alcohol - Nutrient Deficiency And Repair - Fit Recovery
B12 pro-tip: 1 bottle of Paulaner Weißbier (german alcohol-free wheat-beer) has 50% of the daily requirement of B12. Don't know how common it is outside of Germany but maybe you can find